HEADER    VIRAL PROTEIN                           07-SEP-18   6ICX              
TITLE     CRYSTAL STRUCTURE OF H7 HEMAGGLUTININ MUTANT AH-AGPL (V186G) FROM THE 
TITLE    2 INFLUENZA VIRUS A/ANHUI/1/2013 (H7N9)                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMAGGLUTININ HA1 CHAIN;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES;                                                       
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: HEMAGGLUTININ HA2 CHAIN;                                   
COMPND   8 CHAIN: B;                                                            
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: INFLUENZA A VIRUS;                              
SOURCE   3 ORGANISM_TAXID: 11320;                                               
SOURCE   4 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS;                          
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: INFLUENZA A VIRUS;                              
SOURCE   9 ORGANISM_TAXID: 11320;                                               
SOURCE  10 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE  11 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE  12 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS                           
KEYWDS    INFLUENZA VIRUS, H7N9, HEMAGGLUTININ, VIRAL PROTEIN                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.F.GAO,Y.XU,J.X.QI                                                   
REVDAT   5   09-OCT-24 6ICX    1       REMARK                                   
REVDAT   4   22-NOV-23 6ICX    1       HETSYN                                   
REVDAT   3   29-JUL-20 6ICX    1       COMPND REMARK HETNAM LINK                
REVDAT   3 2                   1       SITE                                     
REVDAT   2   04-DEC-19 6ICX    1       JRNL                                     
REVDAT   1   27-NOV-19 6ICX    0                                                
JRNL        AUTH   Y.XU,R.PENG,W.ZHANG,J.QI,H.SONG,S.LIU,H.WANG,M.WANG,H.XIAO,  
JRNL        AUTH 2 L.FU,Z.FAN,Y.BI,J.YAN,Y.SHI,G.F.GAO                          
JRNL        TITL   AVIAN-TO-HUMAN RECEPTOR-BINDING ADAPTATION OF AVIAN H7N9     
JRNL        TITL 2 INFLUENZA VIRUS HEMAGGLUTININ.                               
JRNL        REF    CELL REP                      V.  29  2217 2019              
JRNL        REFN                   ESSN 2211-1247                               
JRNL        PMID   31747596                                                     
JRNL        DOI    10.1016/J.CELREP.2019.10.047                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (1.11.1_2575: ???)                            
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 32.10                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 29515                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.268                           
REMARK   3   R VALUE            (WORKING SET) : 0.266                           
REMARK   3   FREE R VALUE                     : 0.300                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.940                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1458                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 32.0980 -  5.1618    0.96     2826   171  0.2527 0.2622        
REMARK   3     2  5.1618 -  4.0998    0.97     2810   131  0.2244 0.2609        
REMARK   3     3  4.0998 -  3.5823    0.99     2808   139  0.2386 0.3041        
REMARK   3     4  3.5823 -  3.2551    1.00     2847   142  0.2732 0.3344        
REMARK   3     5  3.2551 -  3.0220    1.00     2800   146  0.3001 0.2951        
REMARK   3     6  3.0220 -  2.8439    1.00     2805   159  0.3140 0.3627        
REMARK   3     7  2.8439 -  2.7016    1.00     2796   155  0.3284 0.3598        
REMARK   3     8  2.7016 -  2.5840    1.00     2803   137  0.3416 0.3795        
REMARK   3     9  2.5840 -  2.4846    1.00     2806   143  0.3455 0.4204        
REMARK   3    10  2.4846 -  2.3990    0.99     2756   135  0.3418 0.3790        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.360            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.950           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.002           3832                                  
REMARK   3   ANGLE     :  0.511           5185                                  
REMARK   3   CHIRALITY :  0.041            564                                  
REMARK   3   PLANARITY :  0.003            686                                  
REMARK   3   DIHEDRAL  : 17.850           1428                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ALL                                                    
REMARK   3    ORIGIN FOR THE GROUP (A): -53.0135  17.7424   7.5925              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3008 T22:   0.2311                                     
REMARK   3      T33:   0.4749 T12:   0.0365                                     
REMARK   3      T13:   0.0181 T23:   0.0902                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.4946 L22:   1.7574                                     
REMARK   3      L33:   0.5573 L12:   0.4288                                     
REMARK   3      L13:  -0.2007 L23:   0.7022                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0277 S12:  -0.0306 S13:  -0.1465                       
REMARK   3      S21:   0.0091 S22:   0.2660 S23:  -0.2185                       
REMARK   3      S31:  -0.0155 S32:   0.0926 S33:  -0.1914                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6ICX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-SEP-18.                  
REMARK 100 THE DEPOSITION ID IS D_1300008934.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-MAR-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL17U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.91847                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29523                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.399                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 36.555                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 5.900                              
REMARK 200  R MERGE                    (I) : 0.07200                            
REMARK 200  R SYM                      (I) : 0.07200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.6900                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.63300                            
REMARK 200  R SYM FOR SHELL            (I) : 0.63300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 4KOL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.69                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.39                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH 7.0, 12% W/V               
REMARK 280  POLYETHYLENE GLYCOL 3350, VAPOR DIFFUSION, SITTING DROP,            
REMARK 280  TEMPERATURE 291K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       57.65900            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       33.28944            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       97.77267            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       57.65900            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       33.28944            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       97.77267            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       57.65900            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       33.28944            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       97.77267            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       57.65900            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       33.28944            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       97.77267            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       57.65900            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       33.28944            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       97.77267            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       57.65900            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       33.28944            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       97.77267            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       66.57888            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000      195.54533            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       66.57888            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000      195.54533            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       66.57888            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000      195.54533            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       66.57888            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      195.54533            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       66.57888            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000      195.54533            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       66.57888            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000      195.54533            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
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: HEXAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 32530 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 57980 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -117.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 350   BIOMT1   2 -0.500000 -0.866025  0.000000      -57.65900            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       99.86832            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000     -115.31800            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  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     ASP A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     ILE A   317                                                      
REMARK 465     PRO A   318                                                      
REMARK 465     LYS A   319                                                      
REMARK 465     GLY A   320                                                      
REMARK 465     ARG A   321                                                      
REMARK 465     GLY B   322                                                      
REMARK 465     LEU B   323                                                      
REMARK 465     PHE B   324                                                      
REMARK 465     GLY B   325                                                      
REMARK 465     ALA B   326                                                      
REMARK 465     ILE B   327                                                      
REMARK 465     ARG B   491                                                      
REMARK 465     ILE B   492                                                      
REMARK 465     GLN B   493                                                      
REMARK 465     ILE B   494                                                      
REMARK 465     ASP B   495                                                      
REMARK 465     PRO B   496                                                      
REMARK 465     VAL B   497                                                      
REMARK 465     LYS B   498                                                      
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     LYS A 164    CG   CD   CE   NZ                                   
REMARK 470     GLU A 316    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    THR A   235     O    HOH A   701              2.02            
REMARK 500   O    GLY A   196     O    HOH A   701              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NZ   LYS A    44     O    GLN A    68     5555     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    PRO A  39       43.39    -80.49                                   
REMARK 500    ASN A 123       50.66   -116.53                                   
REMARK 500    ARG A 131     -111.00   -123.75                                   
REMARK 500    SER A 135     -151.09   -128.55                                   
REMARK 500    THR A 147     -132.26   -127.79                                   
REMARK 500    ASP A 148       94.91    -59.97                                   
REMARK 500    ASN A 149     -114.40     57.06                                   
REMARK 500    ALA A 150      173.31     67.28                                   
REMARK 500    SER A 197     -140.16   -151.40                                   
REMARK 500    GLN A 201       80.13   -174.39                                   
REMARK 500    PRO A 206     -179.09    -69.16                                   
REMARK 500    SER A 207       83.17   -166.54                                   
REMARK 500    ASN A 231       -7.87     66.98                                   
REMARK 500    GLN B 348       84.66   -158.45                                   
REMARK 500    ASN B 349     -159.68   -102.27                                   
REMARK 500    ARG B 448      -70.33    -68.31                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 SEQUENCE REFERENCE R4NN21_9INFA WAS USED ACCORDING TO AUTHOR'S       
REMARK 999 SUGGESTION. AUTHOR STATED HEMAGGLUTININ USED IN THIS STUDAY, WHICH   
REMARK 999 WAS DERIVED FROM AH1-H7N9 VIRUS, WAS IDENTICAL WITH R4NN21_9INFA.    
DBREF  6ICX A    1   321  UNP    R4NN21   R4NN21_9INFA    19    339             
DBREF  6ICX B  322   498  UNP    R4NN21   R4NN21_9INFA   340    516             
SEQADV 6ICX GLY A  177  UNP  R4NN21    VAL   195 ENGINEERED MUTATION            
SEQRES   1 A  321  ASP LYS ILE CYS LEU GLY HIS HIS ALA VAL SER ASN GLY          
SEQRES   2 A  321  THR LYS VAL ASN THR LEU THR GLU ARG GLY VAL GLU VAL          
SEQRES   3 A  321  VAL ASN ALA THR GLU THR VAL GLU ARG THR ASN ILE PRO          
SEQRES   4 A  321  ARG ILE CYS SER LYS GLY LYS ARG THR VAL ASP LEU GLY          
SEQRES   5 A  321  GLN CYS GLY LEU LEU GLY THR ILE THR GLY PRO PRO GLN          
SEQRES   6 A  321  CYS ASP GLN PHE LEU GLU PHE SER ALA ASP LEU ILE ILE          
SEQRES   7 A  321  GLU ARG ARG GLU GLY SER ASP VAL CYS TYR PRO GLY LYS          
SEQRES   8 A  321  PHE VAL ASN GLU GLU ALA LEU ARG GLN ILE LEU ARG GLU          
SEQRES   9 A  321  SER GLY GLY ILE ASP LYS GLU ALA MET GLY PHE THR TYR          
SEQRES  10 A  321  SER GLY ILE ARG THR ASN GLY ALA THR SER ALA CYS ARG          
SEQRES  11 A  321  ARG SER GLY SER SER PHE TYR ALA GLU MET LYS TRP LEU          
SEQRES  12 A  321  LEU SER ASN THR ASP ASN ALA ALA PHE PRO GLN MET THR          
SEQRES  13 A  321  LYS SER TYR LYS ASN THR ARG LYS SER PRO ALA LEU ILE          
SEQRES  14 A  321  VAL TRP GLY ILE HIS HIS SER GLY SER THR ALA GLU GLN          
SEQRES  15 A  321  THR LYS LEU TYR GLY SER GLY ASN LYS LEU VAL THR VAL          
SEQRES  16 A  321  GLY SER SER ASN TYR GLN GLN SER PHE VAL PRO SER PRO          
SEQRES  17 A  321  GLY ALA ARG PRO GLN VAL ASN GLY LEU SER GLY ARG ILE          
SEQRES  18 A  321  ASP PHE HIS TRP LEU MET LEU ASN PRO ASN ASP THR VAL          
SEQRES  19 A  321  THR PHE SER PHE ASN GLY ALA PHE ILE ALA PRO ASP ARG          
SEQRES  20 A  321  ALA SER PHE LEU ARG GLY LYS SER MET GLY ILE GLN SER          
SEQRES  21 A  321  GLY VAL GLN VAL ASP ALA ASN CYS GLU GLY ASP CYS TYR          
SEQRES  22 A  321  HIS SER GLY GLY THR ILE ILE SER ASN LEU PRO PHE GLN          
SEQRES  23 A  321  ASN ILE ASP SER ARG ALA VAL GLY LYS CYS PRO ARG TYR          
SEQRES  24 A  321  VAL LYS GLN ARG SER LEU LEU LEU ALA THR GLY MET LYS          
SEQRES  25 A  321  ASN VAL PRO GLU ILE PRO LYS GLY ARG                          
SEQRES   1 B  177  GLY LEU PHE GLY ALA ILE ALA GLY PHE ILE GLU ASN GLY          
SEQRES   2 B  177  TRP GLU GLY LEU ILE ASP GLY TRP TYR GLY PHE ARG HIS          
SEQRES   3 B  177  GLN ASN ALA GLN GLY GLU GLY THR ALA ALA ASP TYR LYS          
SEQRES   4 B  177  SER THR GLN SER ALA ILE ASP GLN ILE THR GLY LYS LEU          
SEQRES   5 B  177  ASN ARG LEU ILE GLU LYS THR ASN GLN GLN PHE GLU LEU          
SEQRES   6 B  177  ILE ASP ASN GLU PHE ASN GLU VAL GLU LYS GLN ILE GLY          
SEQRES   7 B  177  ASN VAL ILE ASN TRP THR ARG ASP SER ILE THR GLU VAL          
SEQRES   8 B  177  TRP SER TYR ASN ALA GLU LEU LEU VAL ALA MET GLU ASN          
SEQRES   9 B  177  GLN HIS THR ILE ASP LEU ALA ASP SER GLU MET ASP LYS          
SEQRES  10 B  177  LEU TYR GLU ARG VAL LYS ARG GLN LEU ARG GLU ASN ALA          
SEQRES  11 B  177  GLU GLU ASP GLY THR GLY CYS PHE GLU ILE PHE HIS LYS          
SEQRES  12 B  177  CYS ASP ASP ASP CYS MET ALA SER ILE ARG ASN ASN THR          
SEQRES  13 B  177  TYR ASP HIS SER LYS TYR ARG GLU GLU ALA MET GLN ASN          
SEQRES  14 B  177  ARG ILE GLN ILE ASP PRO VAL LYS                              
HET    NAG  A 601      14                                                       
HET    NAG  A 602      14                                                       
HET    NAG  B 501      14                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
FORMUL   3  NAG    3(C8 H15 N O6)                                               
FORMUL   6  HOH   *75(H2 O)                                                     
HELIX    1 AA1 LEU A   57  GLY A   62  1                                   6    
HELIX    2 AA2 PRO A   63  LEU A   70  5                                   8    
HELIX    3 AA3 ASN A   94  GLU A  104  1                                  11    
HELIX    4 AA4 SER A  178  GLY A  187  1                                  10    
HELIX    5 AA5 ASP B  358  ILE B  377  1                                  20    
HELIX    6 AA6 GLU B  395  LEU B  447  1                                  53    
HELIX    7 AA7 ASP B  466  ASN B  475  1                                  10    
HELIX    8 AA8 TYR B  483  ASN B  490  1                                   8    
SHEET    1 AA1 3 CYS A   4  HIS A   7  0                                        
SHEET    2 AA1 3 TYR B 343  GLN B 348 -1  O  ARG B 346   N  CYS A   4           
SHEET    3 AA1 3 GLU B 353  ALA B 357 -1  O  ALA B 356   N  PHE B 345           
SHEET    1 AA2 2 THR A  14  ASN A  17  0                                        
SHEET    2 AA2 2 ARG A  22  VAL A  26 -1  O  VAL A  24   N  VAL A  16           
SHEET    1 AA3 2 ALA A  29  GLU A  31  0                                        
SHEET    2 AA3 2 LEU A 306  ALA A 308 -1  O  LEU A 307   N  THR A  30           
SHEET    1 AA4 3 VAL A  33  GLU A  34  0                                        
SHEET    2 AA4 3 PHE A 285  GLN A 286  1  O  PHE A 285   N  GLU A  34           
SHEET    3 AA4 3 ARG A 298  TYR A 299  1  O  ARG A 298   N  GLN A 286           
SHEET    1 AA5 2 ILE A  41  CYS A  42  0                                        
SHEET    2 AA5 2 VAL A 264  ASP A 265  1  O  ASP A 265   N  ILE A  41           
SHEET    1 AA6 3 THR A  48  ASP A  50  0                                        
SHEET    2 AA6 3 LEU A  76  GLU A  79  1  O  ILE A  78   N  VAL A  49           
SHEET    3 AA6 3 MET A 256  GLN A 259  1  O  MET A 256   N  ILE A  77           
SHEET    1 AA7 5 GLY A  90  PHE A  92  0                                        
SHEET    2 AA7 5 ARG A 220  LEU A 228  1  O  PHE A 223   N  LYS A  91           
SHEET    3 AA7 5 ALA A 167  HIS A 175 -1  N  HIS A 175   O  ARG A 220           
SHEET    4 AA7 5 ARG A 247  LEU A 251 -1  O  SER A 249   N  LEU A 168           
SHEET    5 AA7 5 ILE A 108  ALA A 112 -1  N  GLU A 111   O  ALA A 248           
SHEET    1 AA8 5 GLY A  90  PHE A  92  0                                        
SHEET    2 AA8 5 ARG A 220  LEU A 228  1  O  PHE A 223   N  LYS A  91           
SHEET    3 AA8 5 ALA A 167  HIS A 175 -1  N  HIS A 175   O  ARG A 220           
SHEET    4 AA8 5 PHE A 242  PRO A 245 -1  O  ILE A 243   N  GLY A 172           
SHEET    5 AA8 5 MET A 140  TRP A 142 -1  N  LYS A 141   O  ALA A 244           
SHEET    1 AA9 2 THR A 126  ARG A 130  0                                        
SHEET    2 AA9 2 SER A 134  SER A 135 -1  O  SER A 135   N  CYS A 129           
SHEET    1 AB1 3 MET A 155  LYS A 160  0                                        
SHEET    2 AB1 3 THR A 233  PHE A 238 -1  O  PHE A 238   N  MET A 155           
SHEET    3 AB1 3 THR A 194  GLY A 196 -1  N  THR A 194   O  SER A 237           
SHEET    1 AB2 3 GLY A 277  THR A 278  0                                        
SHEET    2 AB2 3 CYS A 272  HIS A 274 -1  N  HIS A 274   O  GLY A 277           
SHEET    3 AB2 3 VAL A 293  GLY A 294 -1  O  VAL A 293   N  TYR A 273           
SHEET    1 AB3 2 ALA B 451  GLU B 453  0                                        
SHEET    2 AB3 2 PHE B 459  ILE B 461 -1  O  GLU B 460   N  GLU B 452           
SSBOND   1 CYS A    4    CYS B  458                          1555   1555  2.03  
SSBOND   2 CYS A   42    CYS A  268                          1555   1555  2.03  
SSBOND   3 CYS A   54    CYS A   66                          1555   1555  2.03  
SSBOND   4 CYS A   87    CYS A  129                          1555   1555  2.03  
SSBOND   5 CYS A  272    CYS A  296                          1555   1555  2.03  
SSBOND   6 CYS B  465    CYS B  469                          1555   1555  2.03  
LINK         ND2 ASN A  28                 C1  NAG A 601     1555   1555  1.44  
LINK         ND2 ASN A 231                 C1  NAG A 602     1555   1555  1.44  
LINK         ND2 ASN B 403                 C1  NAG B 501     1555   1555  1.44  
CRYST1  115.318  115.318  293.318  90.00  90.00 120.00 H 3 2        18          
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      0.008672  0.005007  0.000000        0.00000                         
SCALE2      0.000000  0.010013  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003409        0.00000