HEADER    MEMBRANE PROTEIN                        29-SEP-24   9JRK              
TITLE     OUTWARD-OPEN HSLC19A1 + MTX                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SOLUBLE CYTOCHROME B562,REDUCED FOLATE TRANSPORTER,FUSION  
COMPND   3 PROTEIN;                                                             
COMPND   4 CHAIN: A;                                                            
COMPND   5 SYNONYM: CYTOCHROME B-562,FOLT,CYCLIC DINUCLEOTIDE:ANION ANTIPORTER  
COMPND   6 SLC19A1,FOLATE:ANION ANTIPORTER SLC19A1,INTESTINAL FOLATE CARRIER 1, 
COMPND   7 IFC-1,PLACENTAL FOLATE TRANSPORTER,REDUCED FOLATE CARRIER PROTEIN,   
COMPND   8 RFC,HRFC,REDUCED FOLATE TRANSPORTER 1,RFT-1,SOLUTE CARRIER FAMILY 19 
COMPND   9 MEMBER 1,HSLC19A1;                                                   
COMPND  10 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, SLC19A1, FLOT1, RFC1;                                    
SOURCE   6 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE   7 EXPRESSION_SYSTEM_COMMON: HUMAN;                                     
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 9606                                        
KEYWDS    OUTWARD-OPEN HSLC19A1, MEMBRANE PROTEIN                               
EXPDTA    ELECTRON MICROSCOPY                                                   
AUTHOR    Q.X.ZHANG,K.X.LIU,P.GAO                                               
REVDAT   1   26-FEB-25 9JRK    0                                                
JRNL        AUTH   Q.X.ZHANG,X.Y.ZHANG,K.X.LIU,P.GAO                            
JRNL        TITL   MOLECULAR BASIS OF SLC19A1-MEDIATED FOLATE AND CYCLIC        
JRNL        TITL 2 DINUCLEOTIDE TRANSPORT                                       
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.44 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)  : 3.440                          
REMARK   3   NUMBER OF PARTICLES               : 97106                          
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 9JRK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 01-OCT-24.                  
REMARK 100 THE DEPOSITION ID IS D_1300051893.                                   
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                 : OUTWARD-OPEN HSLC19A1 + MTX       
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 TALOS ARCTICA              
REMARK 245   DETECTOR TYPE                     : GATAN K2 QUANTUM (4K X 4K)     
REMARK 245   MINIMUM DEFOCUS (NM)              : 500.00                         
REMARK 245   MAXIMUM DEFOCUS (NM)              : 1000.00                        
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)  : 6000.00                        
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)         : 200                            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 A   -83                                                      
REMARK 465     ALA A   -82                                                      
REMARK 465     ASP A   -81                                                      
REMARK 465     LEU A   -80                                                      
REMARK 465     GLU A   -79                                                      
REMARK 465     ASP A   -78                                                      
REMARK 465     ASN A   -77                                                      
REMARK 465     TRP A   -76                                                      
REMARK 465     GLU A   -75                                                      
REMARK 465     THR A   -74                                                      
REMARK 465     LEU A   -73                                                      
REMARK 465     ASN A   -72                                                      
REMARK 465     ASP A   -71                                                      
REMARK 465     ASN A   -70                                                      
REMARK 465     LEU A   -69                                                      
REMARK 465     LYS A   -68                                                      
REMARK 465     VAL A   -67                                                      
REMARK 465     ILE A   -66                                                      
REMARK 465     GLU A   -65                                                      
REMARK 465     LYS A   -64                                                      
REMARK 465     ALA A   -63                                                      
REMARK 465     ASP A   -62                                                      
REMARK 465     ASN A   -61                                                      
REMARK 465     ALA A   -60                                                      
REMARK 465     ALA A   -59                                                      
REMARK 465     GLN A   -58                                                      
REMARK 465     VAL A   -57                                                      
REMARK 465     LYS A   -56                                                      
REMARK 465     ASP A   -55                                                      
REMARK 465     ALA A   -54                                                      
REMARK 465     LEU A   -53                                                      
REMARK 465     THR A   -52                                                      
REMARK 465     LYS A   -51                                                      
REMARK 465     MET A   -50                                                      
REMARK 465     ARG A   -49                                                      
REMARK 465     ALA A   -48                                                      
REMARK 465     ALA A   -47                                                      
REMARK 465     ALA A   -46                                                      
REMARK 465     LEU A   -45                                                      
REMARK 465     ASP A   -44                                                      
REMARK 465     ALA A   -43                                                      
REMARK 465     GLN A   -42                                                      
REMARK 465     LYS A   -41                                                      
REMARK 465     ALA A   -40                                                      
REMARK 465     THR A   -39                                                      
REMARK 465     PRO A   -38                                                      
REMARK 465     PRO A   -37                                                      
REMARK 465     LYS A   -36                                                      
REMARK 465     LEU A   -35                                                      
REMARK 465     GLU A   -34                                                      
REMARK 465     ASP A   -33                                                      
REMARK 465     LYS A   -32                                                      
REMARK 465     SER A   -31                                                      
REMARK 465     PRO A   -30                                                      
REMARK 465     ASP A   -29                                                      
REMARK 465     SER A   -28                                                      
REMARK 465     PRO A   -27                                                      
REMARK 465     GLU A   -26                                                      
REMARK 465     MET A   -25                                                      
REMARK 465     LYS A   -24                                                      
REMARK 465     ASP A   -23                                                      
REMARK 465     PHE A   -22                                                      
REMARK 465     ARG A   -21                                                      
REMARK 465     HIS A   -20                                                      
REMARK 465     GLY A   -19                                                      
REMARK 465     PHE A   -18                                                      
REMARK 465     ASP A   -17                                                      
REMARK 465     ILE A   -16                                                      
REMARK 465     LEU A   -15                                                      
REMARK 465     VAL A   -14                                                      
REMARK 465     GLY A   -13                                                      
REMARK 465     GLN A   -12                                                      
REMARK 465     ILE A   -11                                                      
REMARK 465     ASP A   -10                                                      
REMARK 465     ASP A    -9                                                      
REMARK 465     ALA A    -8                                                      
REMARK 465     LEU A    -7                                                      
REMARK 465     LYS A    -6                                                      
REMARK 465     LEU A    -5                                                      
REMARK 465     ALA A    -4                                                      
REMARK 465     ASN A    -3                                                      
REMARK 465     GLU A    -2                                                      
REMARK 465     GLY A    -1                                                      
REMARK 465     LYS A     0                                                      
REMARK 465     VAL A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     GLU A     3                                                      
REMARK 465     ALA A     4                                                      
REMARK 465     GLN A     5                                                      
REMARK 465     ALA A     6                                                      
REMARK 465     ALA A     7                                                      
REMARK 465     ALA A     8                                                      
REMARK 465     GLU A     9                                                      
REMARK 465     GLN A    10                                                      
REMARK 465     LEU A    11                                                      
REMARK 465     LYS A    12                                                      
REMARK 465     THR A    13                                                      
REMARK 465     THR A    14                                                      
REMARK 465     ARG A    15                                                      
REMARK 465     ASN A    16                                                      
REMARK 465     ALA A    17                                                      
REMARK 465     TYR A    18                                                      
REMARK 465     ILE A    19                                                      
REMARK 465     GLN A    20                                                      
REMARK 465     LYS A    21                                                      
REMARK 465     TYR A    22                                                      
REMARK 465     LEU A    23                                                      
REMARK 465     ARG A   208                                                      
REMARK 465     SER A   209                                                      
REMARK 465     LEU A   210                                                      
REMARK 465     PHE A   211                                                      
REMARK 465     PHE A   212                                                      
REMARK 465     ASN A   213                                                      
REMARK 465     ARG A   214                                                      
REMARK 465     ASP A   215                                                      
REMARK 465     ASP A   216                                                      
REMARK 465     ARG A   217                                                      
REMARK 465     GLY A   218                                                      
REMARK 465     ARG A   219                                                      
REMARK 465     CYS A   220                                                      
REMARK 465     GLU A   221                                                      
REMARK 465     THR A   222                                                      
REMARK 465     SER A   223                                                      
REMARK 465     ALA A   224                                                      
REMARK 465     SER A   225                                                      
REMARK 465     GLU A   226                                                      
REMARK 465     LEU A   227                                                      
REMARK 465     GLU A   228                                                      
REMARK 465     ARG A   229                                                      
REMARK 465     MET A   230                                                      
REMARK 465     ASN A   231                                                      
REMARK 465     PRO A   232                                                      
REMARK 465     GLY A   233                                                      
REMARK 465     PRO A   234                                                      
REMARK 465     GLY A   235                                                      
REMARK 465     GLY A   236                                                      
REMARK 465     LYS A   237                                                      
REMARK 465     LEU A   238                                                      
REMARK 465     GLY A   239                                                      
REMARK 465     HIS A   240                                                      
REMARK 465     ALA A   241                                                      
REMARK 465     LEU A   242                                                      
REMARK 465     ARG A   243                                                      
REMARK 465     VAL A   244                                                      
REMARK 465     ALA A   245                                                      
REMARK 465     CYS A   246                                                      
REMARK 465     GLY A   247                                                      
REMARK 465     ASP A   248                                                      
REMARK 465     ASP A   296                                                      
REMARK 465     PRO A   297                                                      
REMARK 465     THR A   298                                                      
REMARK 465     THR A   299                                                      
REMARK 465     ASN A   300                                                      
REMARK 465     SER A   301                                                      
REMARK 465     ALA A   302                                                      
REMARK 465     ALA A   458                                                      
REMARK 465     GLU A   459                                                      
REMARK 465     GLU A   460                                                      
REMARK 465     GLU A   461                                                      
REMARK 465     LYS A   462                                                      
REMARK 465     ARG A   463                                                      
REMARK 465     LYS A   464                                                      
REMARK 465     ALA A   465                                                      
REMARK 465     GLU A   466                                                      
REMARK 465     GLU A   467                                                      
REMARK 465     GLU A   468                                                      
REMARK 465     LYS A   469                                                      
REMARK 465     ARG A   470                                                      
REMARK 465     LYS A   471                                                      
REMARK 465     GLY A   472                                                      
REMARK 465     SER A   473                                                      
REMARK 465     GLY A   474                                                      
REMARK 465     SER A   475                                                      
REMARK 465     GLN A   476                                                      
REMARK 465     VAL A   477                                                      
REMARK 465     GLN A   478                                                      
REMARK 465     LEU A   479                                                      
REMARK 465     GLN A   480                                                      
REMARK 465     GLU A   481                                                      
REMARK 465     SER A   482                                                      
REMARK 465     GLY A   483                                                      
REMARK 465     GLY A   484                                                      
REMARK 465     GLY A   485                                                      
REMARK 465     LEU A   486                                                      
REMARK 465     VAL A   487                                                      
REMARK 465     GLN A   488                                                      
REMARK 465     PRO A   489                                                      
REMARK 465     GLY A   490                                                      
REMARK 465     GLY A   491                                                      
REMARK 465     SER A   492                                                      
REMARK 465     LEU A   493                                                      
REMARK 465     ARG A   494                                                      
REMARK 465     LEU A   495                                                      
REMARK 465     SER A   496                                                      
REMARK 465     CYS A   497                                                      
REMARK 465     ALA A   498                                                      
REMARK 465     ALA A   499                                                      
REMARK 465     SER A   500                                                      
REMARK 465     GLY A   501                                                      
REMARK 465     ARG A   502                                                      
REMARK 465     THR A   503                                                      
REMARK 465     ILE A   504                                                      
REMARK 465     SER A   505                                                      
REMARK 465     ARG A   506                                                      
REMARK 465     TYR A   507                                                      
REMARK 465     ALA A   508                                                      
REMARK 465     MET A   509                                                      
REMARK 465     SER A   510                                                      
REMARK 465     TRP A   511                                                      
REMARK 465     PHE A   512                                                      
REMARK 465     ARG A   513                                                      
REMARK 465     GLN A   514                                                      
REMARK 465     ALA A   515                                                      
REMARK 465     PRO A   516                                                      
REMARK 465     GLY A   517                                                      
REMARK 465     LYS A   518                                                      
REMARK 465     GLU A   519                                                      
REMARK 465     ARG A   520                                                      
REMARK 465     GLU A   521                                                      
REMARK 465     PHE A   522                                                      
REMARK 465     VAL A   523                                                      
REMARK 465     ALA A   524                                                      
REMARK 465     VAL A   525                                                      
REMARK 465     ALA A   526                                                      
REMARK 465     ARG A   527                                                      
REMARK 465     ARG A   528                                                      
REMARK 465     SER A   529                                                      
REMARK 465     GLY A   530                                                      
REMARK 465     ASP A   531                                                      
REMARK 465     GLY A   532                                                      
REMARK 465     ALA A   533                                                      
REMARK 465     PHE A   534                                                      
REMARK 465     TYR A   535                                                      
REMARK 465     ALA A   536                                                      
REMARK 465     ASP A   537                                                      
REMARK 465     SER A   538                                                      
REMARK 465     VAL A   539                                                      
REMARK 465     GLN A   540                                                      
REMARK 465     GLY A   541                                                      
REMARK 465     ARG A   542                                                      
REMARK 465     PHE A   543                                                      
REMARK 465     THR A   544                                                      
REMARK 465     VAL A   545                                                      
REMARK 465     SER A   546                                                      
REMARK 465     ARG A   547                                                      
REMARK 465     ASP A   548                                                      
REMARK 465     ASP A   549                                                      
REMARK 465     ALA A   550                                                      
REMARK 465     LYS A   551                                                      
REMARK 465     ASN A   552                                                      
REMARK 465     THR A   553                                                      
REMARK 465     VAL A   554                                                      
REMARK 465     TYR A   555                                                      
REMARK 465     LEU A   556                                                      
REMARK 465     GLN A   557                                                      
REMARK 465     MET A   558                                                      
REMARK 465     ASN A   559                                                      
REMARK 465     SER A   560                                                      
REMARK 465     LEU A   561                                                      
REMARK 465     LYS A   562                                                      
REMARK 465     PRO A   563                                                      
REMARK 465     GLU A   564                                                      
REMARK 465     ASP A   565                                                      
REMARK 465     THR A   566                                                      
REMARK 465     ALA A   567                                                      
REMARK 465     VAL A   568                                                      
REMARK 465     TYR A   569                                                      
REMARK 465     TYR A   570                                                      
REMARK 465     CYS A   571                                                      
REMARK 465     ALA A   572                                                      
REMARK 465     ILE A   573                                                      
REMARK 465     ASP A   574                                                      
REMARK 465     SER A   575                                                      
REMARK 465     ASP A   576                                                      
REMARK 465     THR A   577                                                      
REMARK 465     PHE A   578                                                      
REMARK 465     TYR A   579                                                      
REMARK 465     SER A   580                                                      
REMARK 465     GLY A   581                                                      
REMARK 465     SER A   582                                                      
REMARK 465     TYR A   583                                                      
REMARK 465     ASP A   584                                                      
REMARK 465     TYR A   585                                                      
REMARK 465     TRP A   586                                                      
REMARK 465     GLY A   587                                                      
REMARK 465     GLN A   588                                                      
REMARK 465     GLY A   589                                                      
REMARK 465     THR A   590                                                      
REMARK 465     GLN A   591                                                      
REMARK 465     VAL A   592                                                      
REMARK 465     THR A   593                                                      
REMARK 465     VAL A   594                                                      
REMARK 465     SER A   595                                                      
REMARK 465     SER A   596                                                      
REMARK 465     HIS A   597                                                      
REMARK 465     HIS A   598                                                      
REMARK 465     HIS A   599                                                      
REMARK 465     HIS A   600                                                      
REMARK 465     HIS A   601                                                      
REMARK 465     HIS A   602                                                      
REMARK 465     HIS A   603                                                      
REMARK 465     HIS A   604                                                      
REMARK 465     HIS A   605                                                      
REMARK 465     HIS A   606                                                      
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    TYR A  92      -13.25     73.60                                   
REMARK 500    PRO A 146       47.71    -75.39                                   
REMARK 500    ALA A 332       -6.08     68.85                                   
REMARK 500    TRP A 334       51.11    -95.52                                   
REMARK 500    HIS A 355       58.65    -92.42                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: EMD-61758   RELATED DB: EMDB                             
REMARK 900 OUTWARD-OPEN HSLC19A1 + MTX                                          
DBREF  9JRK A  -82    23  UNP    P0ABE7   C562_ECOLX      23    128             
DBREF  9JRK A   24   457  UNP    P41440   S19A1_HUMAN     24    457             
DBREF  9JRK A  458   606  PDB    9JRK     9JRK           458    606             
SEQADV 9JRK MET A  -83  UNP  P0ABE7              INITIATING METHIONINE          
SEQADV 9JRK TRP A  -76  UNP  P0ABE7    MET    29 CONFLICT                       
SEQADV 9JRK ILE A   19  UNP  P0ABE7    HIS   124 CONFLICT                       
SEQADV 9JRK LEU A   23  UNP  P0ABE7    ARG   128 CONFLICT                       
SEQADV 9JRK GLN A   58  UNP  P41440    ASN    58 CONFLICT                       
SEQADV 9JRK TRP A  307  UNP  P41440    GLY   307 CONFLICT                       
SEQRES   1 A  690  MET ALA ASP LEU GLU ASP ASN TRP GLU THR LEU ASN ASP          
SEQRES   2 A  690  ASN LEU LYS VAL ILE GLU LYS ALA ASP ASN ALA ALA GLN          
SEQRES   3 A  690  VAL LYS ASP ALA LEU THR LYS MET ARG ALA ALA ALA LEU          
SEQRES   4 A  690  ASP ALA GLN LYS ALA THR PRO PRO LYS LEU GLU ASP LYS          
SEQRES   5 A  690  SER PRO ASP SER PRO GLU MET LYS ASP PHE ARG HIS GLY          
SEQRES   6 A  690  PHE ASP ILE LEU VAL GLY GLN ILE ASP ASP ALA LEU LYS          
SEQRES   7 A  690  LEU ALA ASN GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA          
SEQRES   8 A  690  ALA GLU GLN LEU LYS THR THR ARG ASN ALA TYR ILE GLN          
SEQRES   9 A  690  LYS TYR LEU SER TRP ARG HIS LEU VAL CYS TYR LEU CYS          
SEQRES  10 A  690  PHE TYR GLY PHE MET ALA GLN ILE ARG PRO GLY GLU SER          
SEQRES  11 A  690  PHE ILE THR PRO TYR LEU LEU GLY PRO ASP LYS GLN PHE          
SEQRES  12 A  690  THR ARG GLU GLN VAL THR ASN GLU ILE THR PRO VAL LEU          
SEQRES  13 A  690  SER TYR SER TYR LEU ALA VAL LEU VAL PRO VAL PHE LEU          
SEQRES  14 A  690  LEU THR ASP TYR LEU ARG TYR THR PRO VAL LEU LEU LEU          
SEQRES  15 A  690  GLN GLY LEU SER PHE VAL SER VAL TRP LEU LEU LEU LEU          
SEQRES  16 A  690  LEU GLY HIS SER VAL ALA HIS MET GLN LEU MET GLU LEU          
SEQRES  17 A  690  PHE TYR SER VAL THR MET ALA ALA ARG ILE ALA TYR SER          
SEQRES  18 A  690  SER TYR ILE PHE SER LEU VAL ARG PRO ALA ARG TYR GLN          
SEQRES  19 A  690  ARG VAL ALA GLY TYR SER ARG ALA ALA VAL LEU LEU GLY          
SEQRES  20 A  690  VAL PHE THR SER SER VAL LEU GLY GLN LEU LEU VAL THR          
SEQRES  21 A  690  VAL GLY ARG VAL SER PHE SER THR LEU ASN TYR ILE SER          
SEQRES  22 A  690  LEU ALA PHE LEU THR PHE SER VAL VAL LEU ALA LEU PHE          
SEQRES  23 A  690  LEU LYS ARG PRO LYS ARG SER LEU PHE PHE ASN ARG ASP          
SEQRES  24 A  690  ASP ARG GLY ARG CYS GLU THR SER ALA SER GLU LEU GLU          
SEQRES  25 A  690  ARG MET ASN PRO GLY PRO GLY GLY LYS LEU GLY HIS ALA          
SEQRES  26 A  690  LEU ARG VAL ALA CYS GLY ASP SER VAL LEU ALA ARG MET          
SEQRES  27 A  690  LEU ARG GLU LEU GLY ASP SER LEU ARG ARG PRO GLN LEU          
SEQRES  28 A  690  ARG LEU TRP SER LEU TRP TRP VAL PHE ASN SER ALA GLY          
SEQRES  29 A  690  TYR TYR LEU VAL VAL TYR TYR VAL HIS ILE LEU TRP ASN          
SEQRES  30 A  690  GLU VAL ASP PRO THR THR ASN SER ALA ARG VAL TYR ASN          
SEQRES  31 A  690  TRP ALA ALA ASP ALA ALA SER THR LEU LEU GLY ALA ILE          
SEQRES  32 A  690  THR SER PHE ALA ALA GLY PHE VAL LYS ILE ARG TRP ALA          
SEQRES  33 A  690  ARG TRP SER LYS LEU LEU ILE ALA GLY VAL THR ALA THR          
SEQRES  34 A  690  GLN ALA GLY LEU VAL PHE LEU LEU ALA HIS THR ARG HIS          
SEQRES  35 A  690  PRO SER SER ILE TRP LEU CYS TYR ALA ALA PHE VAL LEU          
SEQRES  36 A  690  PHE ARG GLY SER TYR GLN PHE LEU VAL PRO ILE ALA THR          
SEQRES  37 A  690  PHE GLN ILE ALA SER SER LEU SER LYS GLU LEU CYS ALA          
SEQRES  38 A  690  LEU VAL PHE GLY VAL ASN THR PHE PHE ALA THR ILE VAL          
SEQRES  39 A  690  LYS THR ILE ILE THR PHE ILE VAL SER ASP VAL ARG GLY          
SEQRES  40 A  690  LEU GLY LEU PRO VAL ARG LYS GLN PHE GLN LEU TYR SER          
SEQRES  41 A  690  VAL TYR PHE LEU ILE LEU SER ILE ILE TYR PHE LEU GLY          
SEQRES  42 A  690  ALA MET LEU ASP GLY LEU ARG HIS ALA GLU GLU GLU LYS          
SEQRES  43 A  690  ARG LYS ALA GLU GLU GLU LYS ARG LYS GLY SER GLY SER          
SEQRES  44 A  690  GLN VAL GLN LEU GLN GLU SER GLY GLY GLY LEU VAL GLN          
SEQRES  45 A  690  PRO GLY GLY SER LEU ARG LEU SER CYS ALA ALA SER GLY          
SEQRES  46 A  690  ARG THR ILE SER ARG TYR ALA MET SER TRP PHE ARG GLN          
SEQRES  47 A  690  ALA PRO GLY LYS GLU ARG GLU PHE VAL ALA VAL ALA ARG          
SEQRES  48 A  690  ARG SER GLY ASP GLY ALA PHE TYR ALA ASP SER VAL GLN          
SEQRES  49 A  690  GLY ARG PHE THR VAL SER ARG ASP ASP ALA LYS ASN THR          
SEQRES  50 A  690  VAL TYR LEU GLN MET ASN SER LEU LYS PRO GLU ASP THR          
SEQRES  51 A  690  ALA VAL TYR TYR CYS ALA ILE ASP SER ASP THR PHE TYR          
SEQRES  52 A  690  SER GLY SER TYR ASP TYR TRP GLY GLN GLY THR GLN VAL          
SEQRES  53 A  690  THR VAL SER SER HIS HIS HIS HIS HIS HIS HIS HIS HIS          
SEQRES  54 A  690  HIS                                                          
HET    MTX  A 701      33                                                       
HETNAM     MTX METHOTREXATE                                                     
FORMUL   2  MTX    C20 H22 N8 O5                                                
HELIX    1 AA1 LEU A   28  GLN A   40  1                                  13    
HELIX    2 AA2 PHE A   47  GLY A   54  1                                   8    
HELIX    3 AA3 THR A   60  GLU A   67  1                                   8    
HELIX    4 AA4 ILE A   68  ARG A   91  1                                  24    
HELIX    5 AA5 TYR A   92  GLY A  113  1                                  22    
HELIX    6 AA6 SER A  115  VAL A  144  1                                  30    
HELIX    7 AA7 ARG A  148  THR A  176  1                                  29    
HELIX    8 AA8 SER A  181  PHE A  202  1                                  22    
HELIX    9 AA9 VAL A  250  ARG A  263  1                                  14    
HELIX   10 AB1 ARG A  264  VAL A  295  1                                  32    
HELIX   11 AB2 VAL A  304  VAL A  327  1                                  24    
HELIX   12 AB3 SER A  335  HIS A  355  1                                  21    
HELIX   13 AB4 TRP A  363  LEU A  379  1                                  17    
HELIX   14 AB5 LEU A  379  SER A  389  1                                  11    
HELIX   15 AB6 LEU A  395  SER A  419  1                                  25    
HELIX   16 AB7 PRO A  427  ILE A  445  1                                  19    
HELIX   17 AB8 TYR A  446  ALA A  450  5                                   5    
HELIX   18 AB9 MET A  451  HIS A  457  1                                   7    
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