HEADER IMMUNE SYSTEM 20-MAY-19 6P23 TITLE STRUCTURE OF A NESTED SET OF N-TERMINALLY EXTENDED MHC I-PEPTIDES TITLE 2 PROVIDE NOVEL INSIGHTS INTO ANTIGEN PROCESSING PRESENTATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, B-8 ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 25-300; COMPND 5 SYNONYM: MHC CLASS I ANTIGEN B*8; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: BETA-2-MICROGLOBULIN; COMPND 10 CHAIN: B; COMPND 11 FRAGMENT: UNP RESIDUES 21-119; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: MHC I-PEPTIDE; COMPND 15 CHAIN: C; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: HLA-B, HLAB; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PLM1; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: B2M, CDABP0092, HDCMA22P; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: XA90; SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PHN1; SOURCE 21 MOL_ID: 3; SOURCE 22 SYNTHETIC: YES; SOURCE 23 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 24 ORGANISM_COMMON: HIV-1; SOURCE 25 ORGANISM_TAXID: 11676 KEYWDS MHC I ANTIGEN PROCESSING, MHC I ANTIGEN PRESENTATION, MHC I KEYWDS 2 STRUCTURE, MHC I IMMUNOPEPTIDE, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR L.LI,M.BATLIWALA,M.BOUVIER REVDAT 5 30-OCT-24 6P23 1 REMARK REVDAT 4 11-OCT-23 6P23 1 REMARK REVDAT 3 18-DEC-19 6P23 1 JRNL REVDAT 2 23-OCT-19 6P23 1 JRNL REVDAT 1 16-OCT-19 6P23 0 JRNL AUTH L.LI,M.BATLIWALA,M.BOUVIER JRNL TITL ERAP1 ENZYME-MEDIATED TRIMMING AND STRUCTURAL ANALYSES OF JRNL TITL 2 MHC I-BOUND PRECURSOR PEPTIDES YIELD NOVEL INSIGHTS INTO JRNL TITL 3 ANTIGEN PROCESSING AND PRESENTATION. JRNL REF J.BIOL.CHEM. V. 294 18534 2019 JRNL REFN ESSN 1083-351X JRNL PMID 31601650 JRNL DOI 10.1074/JBC.RA119.010102 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.8.1_1168 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.66 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 61192 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.195 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3062 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 19.6622 - 4.4522 1.00 2864 145 0.1596 0.1748 REMARK 3 2 4.4522 - 3.5406 1.00 2739 133 0.1627 0.1903 REMARK 3 3 3.5406 - 3.0950 1.00 2720 143 0.1916 0.2168 REMARK 3 4 3.0950 - 2.8129 1.00 2663 132 0.2049 0.2277 REMARK 3 5 2.8129 - 2.6118 1.00 2692 141 0.2109 0.2544 REMARK 3 6 2.6118 - 2.4581 1.00 2654 140 0.1943 0.2126 REMARK 3 7 2.4581 - 2.3352 1.00 2656 139 0.1927 0.2321 REMARK 3 8 2.3352 - 2.2337 1.00 2659 140 0.1879 0.2326 REMARK 3 9 2.2337 - 2.1478 1.00 2654 140 0.1889 0.2038 REMARK 3 10 2.1478 - 2.0738 1.00 2656 128 0.1896 0.2247 REMARK 3 11 2.0738 - 2.0090 1.00 2640 130 0.1941 0.2327 REMARK 3 12 2.0090 - 1.9516 1.00 2597 160 0.2012 0.2500 REMARK 3 13 1.9516 - 1.9003 1.00 2641 149 0.2052 0.2556 REMARK 3 14 1.9003 - 1.8540 1.00 2614 131 0.2068 0.2469 REMARK 3 15 1.8540 - 1.8119 1.00 2601 149 0.2238 0.2675 REMARK 3 16 1.8119 - 1.7733 1.00 2663 128 0.2365 0.2730 REMARK 3 17 1.7733 - 1.7379 1.00 2574 162 0.2397 0.2850 REMARK 3 18 1.7379 - 1.7051 1.00 2650 144 0.2429 0.2691 REMARK 3 19 1.7051 - 1.6747 1.00 2610 137 0.2599 0.3047 REMARK 3 20 1.6747 - 1.6463 1.00 2628 137 0.2705 0.3154 REMARK 3 21 1.6463 - 1.6197 1.00 2627 135 0.2909 0.3538 REMARK 3 22 1.6197 - 1.5948 0.89 2328 119 0.3147 0.3418 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.200 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.220 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.70 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 : 0.009 3240 REMARK 3 ANGLE : 1.250 4391 REMARK 3 CHIRALITY : 0.089 448 REMARK 3 PLANARITY : 0.006 581 REMARK 3 DIHEDRAL : 14.226 1201 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): -12.0337 -9.1815 18.5877 REMARK 3 T TENSOR REMARK 3 T11: 0.1133 T22: 0.0871 REMARK 3 T33: 0.0956 T12: 0.0035 REMARK 3 T13: 0.0094 T23: -0.0054 REMARK 3 L TENSOR REMARK 3 L11: 1.0053 L22: 0.3486 REMARK 3 L33: 0.4595 L12: 0.0563 REMARK 3 L13: 0.3689 L23: -0.0046 REMARK 3 S TENSOR REMARK 3 S11: -0.0263 S12: -0.0289 S13: 0.0751 REMARK 3 S21: -0.0435 S22: -0.0135 S23: 0.0100 REMARK 3 S31: -0.0138 S32: -0.0343 S33: 0.0331 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 6P23 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-MAY-19. REMARK 100 THE DEPOSITION ID IS D_1000241742. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-AUG-18 REMARK 200 TEMPERATURE (KELVIN) : 77 REMARK 200 PH : 5.0-7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-F REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.987 REMARK 200 MONOCHROMATOR : DIAMOND(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61192 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.590 REMARK 200 RESOLUTION RANGE LOW (A) : 19.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 6.200 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.59 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL 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: PHASES REMARK 200 STARTING MODEL: PDB ENTRY 1AGB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 18% PEG4000, REMARK 280 0.1 M SODIUM CACODYLATE, PH 5.7, VAPOR DIFFUSION, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z 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 -1.000000 0.000000 0.000000 25.27100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.29050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.67500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.29050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.27100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.67500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -22.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 PRO A 276 REMARK 465 ARG C -2 REMARK 465 MAA C -1 REMARK 465 ARG C 0 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 239 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 239 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES 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 ARG A 14 73.14 -155.28 REMARK 500 ASP A 29 -123.72 48.61 REMARK 500 ARG A 239 -25.01 89.35 REMARK 500 ASN B 21 -169.29 -160.15 REMARK 500 TRP B 60 -0.62 79.07 REMARK 500 REMARK 500 REMARK: NULL DBREF 6P23 A 1 276 UNP P30460 1B08_HUMAN 25 300 DBREF 6P23 B 1 99 UNP P61769 B2MG_HUMAN 21 119 DBREF 6P23 C -2 9 PDB 6P23 6P23 -2 9 SEQADV 6P23 CYS A 76 UNP P30460 GLU 100 ENGINEERED MUTATION SEQRES 1 A 276 GLY SER HIS SER MET ARG TYR PHE ASP THR ALA MET SER SEQRES 2 A 276 ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE SER VAL GLY SEQRES 3 A 276 TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP SEQRES 4 A 276 ALA ALA SER PRO ARG GLU GLU PRO ARG ALA PRO TRP ILE SEQRES 5 A 276 GLU GLN GLU GLY PRO GLU TYR TRP ASP ARG ASN THR GLN SEQRES 6 A 276 ILE PHE LYS THR ASN THR GLN THR ASP ARG CYS SER LEU SEQRES 7 A 276 ARG ASN LEU ARG GLY TYR TYR ASN GLN SER GLU ALA GLY SEQRES 8 A 276 SER HIS THR LEU GLN SER MET TYR GLY CYS ASP VAL GLY SEQRES 9 A 276 PRO ASP GLY ARG LEU LEU ARG GLY HIS ASN GLN TYR ALA SEQRES 10 A 276 TYR ASP GLY LYS ASP TYR ILE ALA LEU ASN GLU ASP LEU SEQRES 11 A 276 ARG SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE THR SEQRES 12 A 276 GLN ARG LYS TRP GLU ALA ALA ARG VAL ALA GLU GLN ASP SEQRES 13 A 276 ARG ALA TYR LEU GLU GLY THR CYS VAL GLU TRP LEU ARG SEQRES 14 A 276 ARG TYR LEU GLU ASN GLY LYS ASP THR LEU GLU ARG ALA SEQRES 15 A 276 ASP PRO PRO LYS THR HIS VAL THR HIS HIS PRO ILE SER SEQRES 16 A 276 ASP HIS GLU ALA THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 A 276 TYR PRO ALA GLU ILE THR LEU THR TRP GLN ARG ASP GLY SEQRES 18 A 276 GLU ASP GLN THR GLN ASP THR GLU LEU VAL GLU THR ARG SEQRES 19 A 276 PRO ALA GLY ASP ARG THR PHE GLN LYS TRP ALA ALA VAL SEQRES 20 A 276 VAL VAL PRO SER GLY GLU GLU GLN ARG TYR THR CYS HIS SEQRES 21 A 276 VAL GLN HIS GLU GLY LEU PRO LYS PRO LEU THR LEU ARG SEQRES 22 A 276 TRP GLU PRO SEQRES 1 B 99 ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG HIS SEQRES 2 B 99 PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS TYR SEQRES 3 B 99 VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP LEU SEQRES 4 B 99 LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS SER SEQRES 5 B 99 ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU LEU SEQRES 6 B 99 TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU TYR SEQRES 7 B 99 ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO LYS SEQRES 8 B 99 ILE VAL LYS TRP ASP ARG ASP MET SEQRES 1 C 12 ARG MAA ARG ALA ALA ALA LYS LYS LYS TYR CYS LEU FORMUL 4 HOH *261(H2 O) HELIX 1 AA1 ALA A 49 GLU A 53 5 5 HELIX 2 AA2 GLY A 56 TYR A 85 1 30 HELIX 3 AA3 ASP A 137 ALA A 150 1 14 HELIX 4 AA4 ARG A 151 GLY A 162 1 12 HELIX 5 AA5 GLY A 162 GLY A 175 1 14 HELIX 6 AA6 GLY A 175 GLU A 180 1 6 HELIX 7 AA7 GLU A 253 GLN A 255 5 3 SHEET 1 AA1 8 GLU A 46 PRO A 47 0 SHEET 2 AA1 8 THR A 31 ASP A 37 -1 N ARG A 35 O GLU A 46 SHEET 3 AA1 8 ARG A 21 VAL A 28 -1 N GLY A 26 O PHE A 33 SHEET 4 AA1 8 HIS A 3 MET A 12 -1 N ARG A 6 O TYR A 27 SHEET 5 AA1 8 THR A 94 VAL A 103 -1 O VAL A 103 N HIS A 3 SHEET 6 AA1 8 LEU A 109 TYR A 118 -1 O LEU A 110 N ASP A 102 SHEET 7 AA1 8 LYS A 121 LEU A 126 -1 O LEU A 126 N ASN A 114 SHEET 8 AA1 8 TRP A 133 ALA A 135 -1 O THR A 134 N ALA A 125 SHEET 1 AA2 4 LYS A 186 PRO A 193 0 SHEET 2 AA2 4 GLU A 198 PHE A 208 -1 O TRP A 204 N HIS A 188 SHEET 3 AA2 4 PHE A 241 PRO A 250 -1 O ALA A 245 N CYS A 203 SHEET 4 AA2 4 THR A 228 LEU A 230 -1 N GLU A 229 O ALA A 246 SHEET 1 AA3 4 LYS A 186 PRO A 193 0 SHEET 2 AA3 4 GLU A 198 PHE A 208 -1 O TRP A 204 N HIS A 188 SHEET 3 AA3 4 PHE A 241 PRO A 250 -1 O ALA A 245 N CYS A 203 SHEET 4 AA3 4 ARG A 234 PRO A 235 -1 N ARG A 234 O GLN A 242 SHEET 1 AA4 4 GLU A 222 ASP A 223 0 SHEET 2 AA4 4 THR A 214 ARG A 219 -1 N ARG A 219 O GLU A 222 SHEET 3 AA4 4 TYR A 257 GLN A 262 -1 O HIS A 260 N THR A 216 SHEET 4 AA4 4 LEU A 270 LEU A 272 -1 O LEU A 272 N CYS A 259 SHEET 1 AA5 4 LYS B 6 SER B 11 0 SHEET 2 AA5 4 ASN B 21 PHE B 30 -1 O ASN B 24 N TYR B 10 SHEET 3 AA5 4 PHE B 62 PHE B 70 -1 O THR B 68 N LEU B 23 SHEET 4 AA5 4 GLU B 50 HIS B 51 -1 N GLU B 50 O TYR B 67 SHEET 1 AA6 4 LYS B 6 SER B 11 0 SHEET 2 AA6 4 ASN B 21 PHE B 30 -1 O ASN B 24 N TYR B 10 SHEET 3 AA6 4 PHE B 62 PHE B 70 -1 O THR B 68 N LEU B 23 SHEET 4 AA6 4 SER B 55 PHE B 56 -1 N SER B 55 O TYR B 63 SHEET 1 AA7 4 GLU B 44 ARG B 45 0 SHEET 2 AA7 4 GLU B 36 LYS B 41 -1 N LYS B 41 O GLU B 44 SHEET 3 AA7 4 TYR B 78 ASN B 83 -1 O ARG B 81 N ASP B 38 SHEET 4 AA7 4 LYS B 91 LYS B 94 -1 O LYS B 91 N VAL B 82 SSBOND 1 CYS A 76 CYS C 8 1555 1555 2.07 SSBOND 2 CYS A 101 CYS A 164 1555 1555 2.09 SSBOND 3 CYS A 203 CYS A 259 1555 1555 2.04 SSBOND 4 CYS B 25 CYS B 80 1555 1555 2.01 CISPEP 1 TYR A 209 PRO A 210 0 0.17 CISPEP 2 HIS B 31 PRO B 32 0 1.56 CRYST1 50.542 81.350 110.581 90.00 90.00 90.00 P 21 21 21 4 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 0.019786 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012293 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009043 0.00000