HEADER    SIGNALING PROTEIN                       30-MAY-24   8ZPN              
TITLE     CRYO-EM STRUCUTRE OF CXCR4 COMPLEXED WITH ANTAGONIST AMD3100          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SOLUBLE CYTOCHROME B562,C-X-C CHEMOKINE RECEPTOR TYPE 4;   
COMPND   3 CHAIN: R;                                                            
COMPND   4 SYNONYM: CYTOCHROME B-562,CXC-R4,CXCR-4,FB22,FUSIN,HM89,LCR1,        
COMPND   5 LEUKOCYTE-DERIVED SEVEN TRANSMEMBRANE DOMAIN RECEPTOR,LESTR,         
COMPND   6 LIPOPOLYSACCHARIDE-ASSOCIATED PROTEIN 3,LAP-3,LPS-ASSOCIATED PROTEIN 
COMPND   7 3,NPYRL,STROMAL CELL-DERIVED FACTOR 1 RECEPTOR,SDF-1 RECEPTOR;       
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: NB6 NANOBODY;                                              
COMPND  11 CHAIN: N;                                                            
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI, HOMO SAPIENS;                 
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 562, 9606;                                           
SOURCE   5 GENE: CYBC, CXCR4;                                                   
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: LAMA GLAMA;                                     
SOURCE  10 ORGANISM_TAXID: 9844;                                                
SOURCE  11 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 7108                                        
KEYWDS    CXC MOTIF CHEMOKINE RECEPTOR 4, ANTAGONIST, SIGNALING PROTEIN         
EXPDTA    ELECTRON MICROSCOPY                                                   
AUTHOR    H.Z.JIAO,H.L.HU                                                       
REVDAT   2   02-APR-25 8ZPN    1       JRNL                                     
REVDAT   1   26-FEB-25 8ZPN    0                                                
JRNL        AUTH   X.SANG,H.JIAO,Q.MENG,X.FANG,Q.PAN,J.ZHOU,T.QIAN,W.ZHANG,     
JRNL        AUTH 2 Y.XU,J.AN,Z.HUANG,H.HU                                       
JRNL        TITL   STRUCTURAL MECHANISMS UNDERLYING THE MODULATION OF CXCR4 BY  
JRNL        TITL 2 DIVERSE SMALL-MOLECULE ANTAGONISTS.                          
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 122 95122 2025              
JRNL        REFN                   ESSN 1091-6490                               
JRNL        PMID   40063796                                                     
JRNL        DOI    10.1073/PNAS.2425795122                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.31 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   SOFTWARE PACKAGES      : NULL                                      
REMARK   3   RECONSTRUCTION SCHEMA  : NULL                                      
REMARK   3                                                                      
REMARK   3 EM MAP-MODEL FITTING AND REFINEMENT                                  
REMARK   3   PDB ENTRY                    : NULL                                
REMARK   3   REFINEMENT SPACE             : NULL                                
REMARK   3   REFINEMENT PROTOCOL          : NULL                                
REMARK   3   REFINEMENT TARGET            : NULL                                
REMARK   3   OVERALL ANISOTROPIC B VALUE  : NULL                                
REMARK   3                                                                      
REMARK   3 FITTING PROCEDURE : NULL                                             
REMARK   3                                                                      
REMARK   3 EM IMAGE RECONSTRUCTION STATISTICS                                   
REMARK   3   NOMINAL PIXEL SIZE (ANGSTROMS)    : NULL                           
REMARK   3   ACTUAL PIXEL SIZE  (ANGSTROMS)    : NULL                           
REMARK   3   EFFECTIVE RESOLUTION (ANGSTROMS)  : 3.310                          
REMARK   3   NUMBER OF PARTICLES               : 90157                          
REMARK   3   CTF CORRECTION METHOD             : PHASE FLIPPING AND AMPLITUDE   
REMARK   3                                       CORRECTION                     
REMARK   3                                                                      
REMARK   3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL                    
REMARK   3                                                                      
REMARK   3 OTHER DETAILS: NULL                                                  
REMARK   4                                                                      
REMARK   4 8ZPN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 03-JUN-24.                  
REMARK 100 THE DEPOSITION ID IS D_1300048278.                                   
REMARK 245                                                                      
REMARK 245 EXPERIMENTAL DETAILS                                                 
REMARK 245   RECONSTRUCTION METHOD          : SINGLE PARTICLE                   
REMARK 245   SPECIMEN TYPE                  : NULL                              
REMARK 245                                                                      
REMARK 245 ELECTRON MICROSCOPE SAMPLE                                           
REMARK 245   SAMPLE TYPE                    : PARTICLE                          
REMARK 245   PARTICLE TYPE                  : POINT                             
REMARK 245   NAME OF SAMPLE                 : AMD3100-CXCR4-KOR-NB6             
REMARK 245   SAMPLE CONCENTRATION (MG ML-1) : NULL                              
REMARK 245   SAMPLE SUPPORT DETAILS         : NULL                              
REMARK 245   SAMPLE VITRIFICATION DETAILS   : NULL                              
REMARK 245   SAMPLE BUFFER                  : NULL                              
REMARK 245   PH                             : 7.50                              
REMARK 245   SAMPLE DETAILS                 : NULL                              
REMARK 245                                                                      
REMARK 245 DATA ACQUISITION                                                     
REMARK 245   DATE OF EXPERIMENT                : NULL                           
REMARK 245   NUMBER OF MICROGRAPHS-IMAGES      : NULL                           
REMARK 245   TEMPERATURE (KELVIN)              : NULL                           
REMARK 245   MICROSCOPE MODEL                  : FEI TITAN KRIOS                
REMARK 245   DETECTOR TYPE                     : GATAN K3 BIOQUANTUM (6K X      
REMARK 245                                       4K)                            
REMARK 245   MINIMUM DEFOCUS (NM)              : 1500.00                        
REMARK 245   MAXIMUM DEFOCUS (NM)              : 2000.00                        
REMARK 245   MINIMUM TILT ANGLE (DEGREES)      : NULL                           
REMARK 245   MAXIMUM TILT ANGLE (DEGREES)      : NULL                           
REMARK 245   NOMINAL CS                        : NULL                           
REMARK 245   IMAGING MODE                      : BRIGHT FIELD                   
REMARK 245   ELECTRON DOSE (ELECTRONS NM**-2)  : 5350.00                        
REMARK 245   ILLUMINATION MODE                 : FLOOD BEAM                     
REMARK 245   NOMINAL MAGNIFICATION             : NULL                           
REMARK 245   CALIBRATED MAGNIFICATION          : NULL                           
REMARK 245   SOURCE                            : FIELD EMISSION GUN             
REMARK 245   ACCELERATION VOLTAGE (KV)         : 300                            
REMARK 245   IMAGING DETAILS                   : NULL                           
REMARK 247                                                                      
REMARK 247 ELECTRON MICROSCOPY                                                  
REMARK 247  THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON          
REMARK 247  MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE              
REMARK 247  THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES           
REMARK 247  ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION         
REMARK 247  OF THE STRUCTURE FACTORS.                                           
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: R, N                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET R  -137                                                      
REMARK 465     LYS R  -136                                                      
REMARK 465     THR R  -135                                                      
REMARK 465     ILE R  -134                                                      
REMARK 465     ILE R  -133                                                      
REMARK 465     ALA R  -132                                                      
REMARK 465     LEU R  -131                                                      
REMARK 465     SER R  -130                                                      
REMARK 465     TYR R  -129                                                      
REMARK 465     ILE R  -128                                                      
REMARK 465     PHE R  -127                                                      
REMARK 465     CYS R  -126                                                      
REMARK 465     LEU R  -125                                                      
REMARK 465     VAL R  -124                                                      
REMARK 465     PHE R  -123                                                      
REMARK 465     ALA R  -122                                                      
REMARK 465     ASP R  -121                                                      
REMARK 465     TYR R  -120                                                      
REMARK 465     LYS R  -119                                                      
REMARK 465     ASP R  -118                                                      
REMARK 465     ASP R  -117                                                      
REMARK 465     ASP R  -116                                                      
REMARK 465     ASP R  -115                                                      
REMARK 465     LYS R  -114                                                      
REMARK 465     GLY R  -113                                                      
REMARK 465     SER R  -112                                                      
REMARK 465     ALA R  -111                                                      
REMARK 465     ASP R  -110                                                      
REMARK 465     LEU R  -109                                                      
REMARK 465     GLU R  -108                                                      
REMARK 465     ASP R  -107                                                      
REMARK 465     ASN R  -106                                                      
REMARK 465     TRP R  -105                                                      
REMARK 465     GLU R  -104                                                      
REMARK 465     THR R  -103                                                      
REMARK 465     LEU R  -102                                                      
REMARK 465     ASN R  -101                                                      
REMARK 465     ASP R  -100                                                      
REMARK 465     ASN R   -99                                                      
REMARK 465     LEU R   -98                                                      
REMARK 465     LYS R   -97                                                      
REMARK 465     VAL R   -96                                                      
REMARK 465     ILE R   -95                                                      
REMARK 465     GLU R   -94                                                      
REMARK 465     LYS R   -93                                                      
REMARK 465     ALA R   -92                                                      
REMARK 465     ASP R   -91                                                      
REMARK 465     ASN R   -90                                                      
REMARK 465     ALA R   -89                                                      
REMARK 465     ALA R   -88                                                      
REMARK 465     GLN R   -87                                                      
REMARK 465     VAL R   -86                                                      
REMARK 465     LYS R   -85                                                      
REMARK 465     ASP R   -84                                                      
REMARK 465     ALA R   -83                                                      
REMARK 465     LEU R   -82                                                      
REMARK 465     THR R   -81                                                      
REMARK 465     LYS R   -80                                                      
REMARK 465     MET R   -79                                                      
REMARK 465     ARG R   -78                                                      
REMARK 465     ALA R   -77                                                      
REMARK 465     ALA R   -76                                                      
REMARK 465     ALA R   -75                                                      
REMARK 465     LEU R   -74                                                      
REMARK 465     ASP R   -73                                                      
REMARK 465     ALA R   -72                                                      
REMARK 465     GLN R   -71                                                      
REMARK 465     LYS R   -70                                                      
REMARK 465     ALA R   -69                                                      
REMARK 465     THR R   -68                                                      
REMARK 465     PRO R   -67                                                      
REMARK 465     PRO R   -66                                                      
REMARK 465     LYS R   -65                                                      
REMARK 465     LEU R   -64                                                      
REMARK 465     GLU R   -63                                                      
REMARK 465     ASP R   -62                                                      
REMARK 465     LYS R   -61                                                      
REMARK 465     SER R   -60                                                      
REMARK 465     PRO R   -59                                                      
REMARK 465     ASP R   -58                                                      
REMARK 465     SER R   -57                                                      
REMARK 465     PRO R   -56                                                      
REMARK 465     GLU R   -55                                                      
REMARK 465     MET R   -54                                                      
REMARK 465     LYS R   -53                                                      
REMARK 465     ASP R   -52                                                      
REMARK 465     PHE R   -51                                                      
REMARK 465     ARG R   -50                                                      
REMARK 465     HIS R   -49                                                      
REMARK 465     GLY R   -48                                                      
REMARK 465     PHE R   -47                                                      
REMARK 465     ASP R   -46                                                      
REMARK 465     ILE R   -45                                                      
REMARK 465     LEU R   -44                                                      
REMARK 465     VAL R   -43                                                      
REMARK 465     GLY R   -42                                                      
REMARK 465     GLN R   -41                                                      
REMARK 465     ILE R   -40                                                      
REMARK 465     ASP R   -39                                                      
REMARK 465     ASP R   -38                                                      
REMARK 465     ALA R   -37                                                      
REMARK 465     LEU R   -36                                                      
REMARK 465     LYS R   -35                                                      
REMARK 465     LEU R   -34                                                      
REMARK 465     ALA R   -33                                                      
REMARK 465     ASN R   -32                                                      
REMARK 465     GLU R   -31                                                      
REMARK 465     GLY R   -30                                                      
REMARK 465     LYS R   -29                                                      
REMARK 465     VAL R   -28                                                      
REMARK 465     LYS R   -27                                                      
REMARK 465     GLU R   -26                                                      
REMARK 465     ALA R   -25                                                      
REMARK 465     GLN R   -24                                                      
REMARK 465     ALA R   -23                                                      
REMARK 465     ALA R   -22                                                      
REMARK 465     ALA R   -21                                                      
REMARK 465     GLU R   -20                                                      
REMARK 465     GLN R   -19                                                      
REMARK 465     LEU R   -18                                                      
REMARK 465     LYS R   -17                                                      
REMARK 465     THR R   -16                                                      
REMARK 465     THR R   -15                                                      
REMARK 465     ARG R   -14                                                      
REMARK 465     ASN R   -13                                                      
REMARK 465     ALA R   -12                                                      
REMARK 465     TYR R   -11                                                      
REMARK 465     ILE R   -10                                                      
REMARK 465     GLN R    -9                                                      
REMARK 465     LYS R    -8                                                      
REMARK 465     TYR R    -7                                                      
REMARK 465     LEU R    -6                                                      
REMARK 465     LEU R    -5                                                      
REMARK 465     VAL R    -4                                                      
REMARK 465     PRO R    -3                                                      
REMARK 465     ARG R    -2                                                      
REMARK 465     GLY R    -1                                                      
REMARK 465     SER R     0                                                      
REMARK 465     MET R     1                                                      
REMARK 465     GLU R     2                                                      
REMARK 465     GLY R     3                                                      
REMARK 465     ILE R     4                                                      
REMARK 465     SER R     5                                                      
REMARK 465     ILE R     6                                                      
REMARK 465     TYR R     7                                                      
REMARK 465     THR R     8                                                      
REMARK 465     SER R     9                                                      
REMARK 465     ASP R    10                                                      
REMARK 465     ASN R    11                                                      
REMARK 465     TYR R    12                                                      
REMARK 465     THR R    13                                                      
REMARK 465     GLU R    14                                                      
REMARK 465     GLU R    15                                                      
REMARK 465     MET R    16                                                      
REMARK 465     GLY R    17                                                      
REMARK 465     SER R    18                                                      
REMARK 465     GLY R    19                                                      
REMARK 465     ASP R    20                                                      
REMARK 465     TYR R    21                                                      
REMARK 465     ASP R    22                                                      
REMARK 465     SER R    23                                                      
REMARK 465     MET R    24                                                      
REMARK 465     LYS R    25                                                      
REMARK 465     GLU R    26                                                      
REMARK 465     PRO R    27                                                      
REMARK 465     CYS R    28                                                      
REMARK 465     PHE R    29                                                      
REMARK 465     ARG R    30                                                      
REMARK 465     GLU R    31                                                      
REMARK 465     GLU R    32                                                      
REMARK 465     ASN R    33                                                      
REMARK 465     LYS R   316                                                      
REMARK 465     PHE R   317                                                      
REMARK 465     LYS R   318                                                      
REMARK 465     THR R   319                                                      
REMARK 465     SER R   320                                                      
REMARK 465     ALA R   321                                                      
REMARK 465     GLN R   322                                                      
REMARK 465     HIS R   323                                                      
REMARK 465     ALA R   324                                                      
REMARK 465     LEU R   325                                                      
REMARK 465     THR R   326                                                      
REMARK 465     SER R   327                                                      
REMARK 465     GLY R   328                                                      
REMARK 465     ARG R   329                                                      
REMARK 465     PRO R   330                                                      
REMARK 465     LEU R   331                                                      
REMARK 465     GLU R   332                                                      
REMARK 465     VAL R   333                                                      
REMARK 465     LEU R   334                                                      
REMARK 465     PHE R   335                                                      
REMARK 465     GLN R   336                                                      
REMARK 465     GLY R   337                                                      
REMARK 465     PRO R   338                                                      
REMARK 465     HIS R   339                                                      
REMARK 465     HIS R   340                                                      
REMARK 465     HIS R   341                                                      
REMARK 465     HIS R   342                                                      
REMARK 465     HIS R   343                                                      
REMARK 465     HIS R   344                                                      
REMARK 465     HIS R   345                                                      
REMARK 465     HIS R   346                                                      
REMARK 465     HIS R   347                                                      
REMARK 465     HIS R   348                                                      
REMARK 465     MET N   -37                                                      
REMARK 465     LEU N   -36                                                      
REMARK 465     LEU N   -35                                                      
REMARK 465     VAL N   -34                                                      
REMARK 465     ASN N   -33                                                      
REMARK 465     GLN N   -32                                                      
REMARK 465     SER N   -31                                                      
REMARK 465     HIS N   -30                                                      
REMARK 465     GLN N   -29                                                      
REMARK 465     GLY N   -28                                                      
REMARK 465     PHE N   -27                                                      
REMARK 465     ASN N   -26                                                      
REMARK 465     LYS N   -25                                                      
REMARK 465     GLU N   -24                                                      
REMARK 465     HIS N   -23                                                      
REMARK 465     THR N   -22                                                      
REMARK 465     SER N   -21                                                      
REMARK 465     LYS N   -20                                                      
REMARK 465     MET N   -19                                                      
REMARK 465     VAL N   -18                                                      
REMARK 465     SER N   -17                                                      
REMARK 465     ALA N   -16                                                      
REMARK 465     ILE N   -15                                                      
REMARK 465     VAL N   -14                                                      
REMARK 465     LEU N   -13                                                      
REMARK 465     TYR N   -12                                                      
REMARK 465     VAL N   -11                                                      
REMARK 465     LEU N   -10                                                      
REMARK 465     LEU N    -9                                                      
REMARK 465     ALA N    -8                                                      
REMARK 465     ALA N    -7                                                      
REMARK 465     ALA N    -6                                                      
REMARK 465     ALA N    -5                                                      
REMARK 465     HIS N    -4                                                      
REMARK 465     SER N    -3                                                      
REMARK 465     ALA N    -2                                                      
REMARK 465     PHE N    -1                                                      
REMARK 465     ALA N     0                                                      
REMARK 465     MET N     1                                                      
REMARK 465     ALA N     2                                                      
REMARK 465     ARG N    41                                                      
REMARK 465     VAL N    42                                                      
REMARK 465     SER N    43                                                      
REMARK 465     GLY N    44                                                      
REMARK 465     ASN N    45                                                      
REMARK 465     HIS N   124                                                      
REMARK 465     HIS N   125                                                      
REMARK 465     HIS N   126                                                      
REMARK 465     HIS N   127                                                      
REMARK 465     HIS N   128                                                      
REMARK 465     HIS N   129                                                      
REMARK 465     HIS N   130                                                      
REMARK 465     HIS N   131                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLN N   3    CG   CD   OE1  NE2                                  
REMARK 470     GLN N   5    CG   CD   OE1  NE2                                  
REMARK 470     LEU N  13    CG   CD1  CD2                                       
REMARK 470     GLN N  15    CG   CD   OE1  NE2                                  
REMARK 470     SER N  27    OG                                                  
REMARK 470     LEU N  49    CG   CD1  CD2                                       
REMARK 470     SER N  52    OG                                                  
REMARK 470     SER N  58    OG                                                  
REMARK 470     LYS N  60    CG   CD   CE   NZ                                   
REMARK 470     ASP N  63    CG   OD1  OD2                                       
REMARK 470     SER N  64    OG                                                  
REMARK 470     VAL N  65    CG1  CG2                                            
REMARK 470     LYS N  66    CG   CD   CE   NZ                                   
REMARK 470     LYS N  77    CG   CD   CE   NZ                                   
REMARK 470     LYS N  88    CG   CD   CE   NZ                                   
REMARK 470     VAL N 121    CG1  CG2                                            
REMARK 470     SER N 122    OG                                                  
REMARK 470     SER N 123    OG                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ALA R 100      -55.91   -122.13                                   
REMARK 500    PRO R 147       40.21    -84.56                                   
REMARK 500    ALA R 180     -179.92    -67.96                                   
REMARK 500    ASP R 182      -95.10     59.57                                   
REMARK 500    SER R 233     -127.99     58.72                                   
REMARK 500    ILE R 277      -54.23   -126.16                                   
REMARK 500    PHE R 300        0.65    -65.56                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: EMD-60350   RELATED DB: EMDB                             
REMARK 900 CRYO-EM STRUCUTRE OF CXCR4 COMPLEXED WITH ANTAGONIST AMD3100         
DBREF  8ZPN R -111    -7  UNP    P0ABE7   C562_ECOLX      23    127             
DBREF  8ZPN R    1   224  UNP    P61073   CXCR4_HUMAN      1    224             
DBREF  8ZPN R  249   327  UNP    P61073   CXCR4_HUMAN    241    319             
DBREF  8ZPN N  -37   131  PDB    8ZPN     8ZPN           -37    131             
SEQADV 8ZPN MET R -137  UNP  P0ABE7              INITIATING METHIONINE          
SEQADV 8ZPN LYS R -136  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN THR R -135  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ILE R -134  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ILE R -133  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ALA R -132  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN LEU R -131  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN SER R -130  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN TYR R -129  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ILE R -128  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN PHE R -127  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN CYS R -126  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN LEU R -125  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN VAL R -124  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN PHE R -123  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ALA R -122  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ASP R -121  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN TYR R -120  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN LYS R -119  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ASP R -118  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ASP R -117  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ASP R -116  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN ASP R -115  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN LYS R -114  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN GLY R -113  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN SER R -112  UNP  P0ABE7              EXPRESSION TAG                 
SEQADV 8ZPN TRP R -105  UNP  P0ABE7    MET    29 CONFLICT                       
SEQADV 8ZPN ILE R  -10  UNP  P0ABE7    HIS   124 CONFLICT                       
SEQADV 8ZPN LEU R   -6  UNP  P0ABE7              LINKER                         
SEQADV 8ZPN LEU R   -5  UNP  P0ABE7              LINKER                         
SEQADV 8ZPN VAL R   -4  UNP  P0ABE7              LINKER                         
SEQADV 8ZPN PRO R   -3  UNP  P0ABE7              LINKER                         
SEQADV 8ZPN ARG R   -2  UNP  P0ABE7              LINKER                         
SEQADV 8ZPN GLY R   -1  UNP  P0ABE7              LINKER                         
SEQADV 8ZPN SER R    0  UNP  P0ABE7              LINKER                         
SEQADV 8ZPN TRP R  125  UNP  P61073    LEU   125 CONFLICT                       
SEQADV 8ZPN ARG R  225  UNP  P61073              LINKER                         
SEQADV 8ZPN LEU R  226  UNP  P61073              LINKER                         
SEQADV 8ZPN LYS R  227  UNP  P61073              LINKER                         
SEQADV 8ZPN SER R  228  UNP  P61073              LINKER                         
SEQADV 8ZPN VAL R  229  UNP  P61073              LINKER                         
SEQADV 8ZPN ARG R  230  UNP  P61073              LINKER                         
SEQADV 8ZPN LEU R  231  UNP  P61073              LINKER                         
SEQADV 8ZPN LEU R  232  UNP  P61073              LINKER                         
SEQADV 8ZPN SER R  233  UNP  P61073              LINKER                         
SEQADV 8ZPN GLY R  234  UNP  P61073              LINKER                         
SEQADV 8ZPN SER R  235  UNP  P61073              LINKER                         
SEQADV 8ZPN ARG R  236  UNP  P61073              LINKER                         
SEQADV 8ZPN GLU R  237  UNP  P61073              LINKER                         
SEQADV 8ZPN LYS R  238  UNP  P61073              LINKER                         
SEQADV 8ZPN ASP R  239  UNP  P61073              LINKER                         
SEQADV 8ZPN ARG R  240  UNP  P61073              LINKER                         
SEQADV 8ZPN ASN R  241  UNP  P61073              LINKER                         
SEQADV 8ZPN LEU R  242  UNP  P61073              LINKER                         
SEQADV 8ZPN ARG R  243  UNP  P61073              LINKER                         
SEQADV 8ZPN ARG R  244  UNP  P61073              LINKER                         
SEQADV 8ZPN ILE R  245  UNP  P61073              LINKER                         
SEQADV 8ZPN THR R  246  UNP  P61073              LINKER                         
SEQADV 8ZPN ARG R  247  UNP  P61073              LINKER                         
SEQADV 8ZPN PRO R  248  UNP  P61073              LINKER                         
SEQADV 8ZPN GLY R  328  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN ARG R  329  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN PRO R  330  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN LEU R  331  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN GLU R  332  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN VAL R  333  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN LEU R  334  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN PHE R  335  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN GLN R  336  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN GLY R  337  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN PRO R  338  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  339  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  340  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  341  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  342  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  343  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  344  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  345  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  346  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  347  UNP  P61073              EXPRESSION TAG                 
SEQADV 8ZPN HIS R  348  UNP  P61073              EXPRESSION TAG                 
SEQRES   1 R  486  MET LYS THR ILE ILE ALA LEU SER TYR ILE PHE CYS LEU          
SEQRES   2 R  486  VAL PHE ALA ASP TYR LYS ASP ASP ASP ASP LYS GLY SER          
SEQRES   3 R  486  ALA ASP LEU GLU ASP ASN TRP GLU THR LEU ASN ASP ASN          
SEQRES   4 R  486  LEU LYS VAL ILE GLU LYS ALA ASP ASN ALA ALA GLN VAL          
SEQRES   5 R  486  LYS ASP ALA LEU THR LYS MET ARG ALA ALA ALA LEU ASP          
SEQRES   6 R  486  ALA GLN LYS ALA THR PRO PRO LYS LEU GLU ASP LYS SER          
SEQRES   7 R  486  PRO ASP SER PRO GLU MET LYS ASP PHE ARG HIS GLY PHE          
SEQRES   8 R  486  ASP ILE LEU VAL GLY GLN ILE ASP ASP ALA LEU LYS LEU          
SEQRES   9 R  486  ALA ASN GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA ALA          
SEQRES  10 R  486  GLU GLN LEU LYS THR THR ARG ASN ALA TYR ILE GLN LYS          
SEQRES  11 R  486  TYR LEU LEU VAL PRO ARG GLY SER MET GLU GLY ILE SER          
SEQRES  12 R  486  ILE TYR THR SER ASP ASN TYR THR GLU GLU MET GLY SER          
SEQRES  13 R  486  GLY ASP TYR ASP SER MET LYS GLU PRO CYS PHE ARG GLU          
SEQRES  14 R  486  GLU ASN ALA ASN PHE ASN LYS ILE PHE LEU PRO THR ILE          
SEQRES  15 R  486  TYR SER ILE ILE PHE LEU THR GLY ILE VAL GLY ASN GLY          
SEQRES  16 R  486  LEU VAL ILE LEU VAL MET GLY TYR GLN LYS LYS LEU ARG          
SEQRES  17 R  486  SER MET THR ASP LYS TYR ARG LEU HIS LEU SER VAL ALA          
SEQRES  18 R  486  ASP LEU LEU PHE VAL ILE THR LEU PRO PHE TRP ALA VAL          
SEQRES  19 R  486  ASP ALA VAL ALA ASN TRP TYR PHE GLY ASN PHE LEU CYS          
SEQRES  20 R  486  LYS ALA VAL HIS VAL ILE TYR THR VAL ASN LEU TYR SER          
SEQRES  21 R  486  SER VAL TRP ILE LEU ALA PHE ILE SER LEU ASP ARG TYR          
SEQRES  22 R  486  LEU ALA ILE VAL HIS ALA THR ASN SER GLN ARG PRO ARG          
SEQRES  23 R  486  LYS LEU LEU ALA GLU LYS VAL VAL TYR VAL GLY VAL TRP          
SEQRES  24 R  486  ILE PRO ALA LEU LEU LEU THR ILE PRO ASP PHE ILE PHE          
SEQRES  25 R  486  ALA ASN VAL SER GLU ALA ASP ASP ARG TYR ILE CYS ASP          
SEQRES  26 R  486  ARG PHE TYR PRO ASN ASP LEU TRP VAL VAL VAL PHE GLN          
SEQRES  27 R  486  PHE GLN HIS ILE MET VAL GLY LEU ILE LEU PRO GLY ILE          
SEQRES  28 R  486  VAL ILE LEU SER CYS TYR CYS ILE ILE ILE SER ARG LEU          
SEQRES  29 R  486  LYS SER VAL ARG LEU LEU SER GLY SER ARG GLU LYS ASP          
SEQRES  30 R  486  ARG ASN LEU ARG ARG ILE THR ARG PRO THR VAL ILE LEU          
SEQRES  31 R  486  ILE LEU ALA PHE PHE ALA CYS TRP LEU PRO TYR TYR ILE          
SEQRES  32 R  486  GLY ILE SER ILE ASP SER PHE ILE LEU LEU GLU ILE ILE          
SEQRES  33 R  486  LYS GLN GLY CYS GLU PHE GLU ASN THR VAL HIS LYS TRP          
SEQRES  34 R  486  ILE SER ILE THR GLU ALA LEU ALA PHE PHE HIS CYS CYS          
SEQRES  35 R  486  LEU ASN PRO ILE LEU TYR ALA PHE LEU GLY ALA LYS PHE          
SEQRES  36 R  486  LYS THR SER ALA GLN HIS ALA LEU THR SER GLY ARG PRO          
SEQRES  37 R  486  LEU GLU VAL LEU PHE GLN GLY PRO HIS HIS HIS HIS HIS          
SEQRES  38 R  486  HIS HIS HIS HIS HIS                                          
SEQRES   1 N  169  MET LEU LEU VAL ASN GLN SER HIS GLN GLY PHE ASN LYS          
SEQRES   2 N  169  GLU HIS THR SER LYS MET VAL SER ALA ILE VAL LEU TYR          
SEQRES   3 N  169  VAL LEU LEU ALA ALA ALA ALA HIS SER ALA PHE ALA MET          
SEQRES   4 N  169  ALA GLN VAL GLN LEU GLN GLU SER GLY GLY GLY LEU VAL          
SEQRES   5 N  169  GLN ALA GLY GLU SER LEU ARG LEU SER CYS ALA ALA SER          
SEQRES   6 N  169  GLY THR ILE PHE ARG LEU TYR ASP MET GLY TRP TYR ARG          
SEQRES   7 N  169  ARG VAL SER GLY ASN GLN ARG GLU LEU VAL ALA SER ILE          
SEQRES   8 N  169  THR SER GLY GLY SER THR LYS TYR GLY ASP SER VAL LYS          
SEQRES   9 N  169  GLY ARG PHE THR ILE SER ARG ASP ASN ALA LYS ASN THR          
SEQRES  10 N  169  VAL TYR LEU GLN MET SER SER LEU LYS PRO GLU ASP THR          
SEQRES  11 N  169  ALA VAL TYR TYR CYS ASN ALA GLU TYR ARG THR GLY ILE          
SEQRES  12 N  169  TRP GLU GLU LEU LEU ASP GLY TRP GLY GLN GLY THR GLN          
SEQRES  13 N  169  VAL THR VAL SER SER HIS HIS HIS HIS HIS HIS HIS HIS          
HET    CLR  R 401      28                                                       
HET    VH6  R 402      36                                                       
HETNAM     CLR CHOLESTEROL                                                      
HETNAM     VH6 PLERIXAFOR                                                       
HETSYN     VH6 1,1'-[1,4-PHENYLENEBIS(METHYLENE)]BIS(1,4,8,11-                  
HETSYN   2 VH6  TETRAAZACYCLOTETRADECANE); AMD3100                              
FORMUL   3  CLR    C27 H46 O                                                    
FORMUL   4  VH6    C28 H54 N8                                                   
HELIX    1 AA1 ALA R   34  TYR R   65  1                                  32    
HELIX    2 AA2 SER R   71  ALA R  100  1                                  30    
HELIX    3 AA3 GLY R  105  HIS R  140  1                                  36    
HELIX    4 AA4 GLN R  145  LYS R  154  1                                  10    
HELIX    5 AA5 VAL R  155  LEU R  167  1                                  13    
HELIX    6 AA6 THR R  168  PHE R  174  1                                   7    
HELIX    7 AA7 ASN R  192  LYS R  227  1                                  36    
HELIX    8 AA8 SER R  235  LEU R  275  1                                  41    
HELIX    9 AA9 GLY R  281  PHE R  300  1                                  20    
HELIX   10 AB1 PHE R  301  CYS R  303  5                                   3    
HELIX   11 AB2 CYS R  304  LEU R  313  1                                  10    
HELIX   12 AB3 LYS N   88  THR N   92  5                                   5    
SHEET    1 AA1 2 ALA R 175  VAL R 177  0                                        
SHEET    2 AA1 2 CYS R 186  ARG R 188 -1  O  ASP R 187   N  ASN R 176           
SHEET    1 AA2 2 VAL N   4  LEU N   6  0                                        
SHEET    2 AA2 2 ALA N  26  GLY N  28 -1  O  SER N  27   N  GLN N   5           
SHEET    1 AA3 5 GLY N  12  VAL N  14  0                                        
SHEET    2 AA3 5 THR N 117  VAL N 121  1  O  GLN N 118   N  GLY N  12           
SHEET    3 AA3 5 ALA N  93  ARG N 102 -1  N  TYR N  95   O  THR N 117           
SHEET    4 AA3 5 ARG N  32  ARG N  40 -1  N  GLY N  37   O  ASN N  98           
SHEET    5 AA3 5 GLU N  48  THR N  54 -1  O  GLU N  48   N  ARG N  40           
SHEET    1 AA4 4 GLY N  12  VAL N  14  0                                        
SHEET    2 AA4 4 THR N 117  VAL N 121  1  O  GLN N 118   N  GLY N  12           
SHEET    3 AA4 4 ALA N  93  ARG N 102 -1  N  TYR N  95   O  THR N 117           
SHEET    4 AA4 4 LEU N 110  TRP N 113 -1  O  LEU N 110   N  TYR N 101           
SHEET    1 AA5 3 ARG N  21  LEU N  22  0                                        
SHEET    2 AA5 3 THR N  79  GLN N  83 -1  O  LEU N  82   N  LEU N  22           
SHEET    3 AA5 3 THR N  70  ASP N  74 -1  N  THR N  70   O  GLN N  83           
SSBOND   1 CYS R  109    CYS R  186                          1555   1555  2.03  
SSBOND   2 CYS N   24    CYS N   97                          1555   1555  2.03  
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1                      
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000