HEADER IMMUNE SYSTEM 05-MAY-22 7UXP TITLE STRUCTURE OF PDL1 IN COMPLEX WITH FP28132, A HELICON POLYPEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROGRAMMED CELL DEATH 1 LIGAND 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HPD-L1,B7 HOMOLOG 1,B7-H1; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: FP28132; COMPND 8 CHAIN: C, D; COMPND 9 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: CD274, B7H1, PDCD1L1, PDCD1LG1, PDL1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 11 ORGANISM_TAXID: 32630 KEYWDS COMPLEX, STAPLED, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR K.LI,S.AGARWAL,O.TOKAREVA,T.THOMSON,T.TRAVALINE,H.TATTERSFIELD, AUTHOR 2 S.WAHL,G.VERDINE,J.MCGEE REVDAT 2 25-OCT-23 7UXP 1 REMARK REVDAT 1 28-DEC-22 7UXP 0 JRNL AUTH K.LI,O.S.TOKAREVA,T.M.THOMSON,S.C.T.WAHL,T.L.TRAVALINE, JRNL AUTH 2 J.D.RAMIREZ,S.K.CHOUDARY,S.AGARWAL,W.G.WALKUP 4TH,T.J.OLSEN, JRNL AUTH 3 M.J.BRENNAN,G.L.VERDINE,J.H.MCGEE JRNL TITL DE NOVO MAPPING OF ALPHA-HELIX RECOGNITION SITES ON PROTEIN JRNL TITL 2 SURFACES USING UNBIASED LIBRARIES. JRNL REF PROC.NATL.ACAD.SCI.USA V. 119 35119 2022 JRNL REFN ESSN 1091-6490 JRNL PMID 36534810 JRNL DOI 10.1073/PNAS.2210435119 REMARK 2 REMARK 2 RESOLUTION. 2.62 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.62 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 59.80 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 9672 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.246 REMARK 3 R VALUE (WORKING SET) : 0.244 REMARK 3 FREE R VALUE : 0.286 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.530 REMARK 3 FREE R VALUE TEST SET COUNT : 438 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 59.8000 - 3.7800 1.00 3175 145 0.2204 0.2545 REMARK 3 2 3.7800 - 3.0000 1.00 3038 156 0.2758 0.3226 REMARK 3 3 3.0000 - 2.6200 1.00 3021 137 0.3018 0.3853 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) : 0.505 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 37.335 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 66.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 64.53 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 : 0.010 2054 REMARK 3 ANGLE : 1.144 2769 REMARK 3 CHIRALITY : 0.299 305 REMARK 3 PLANARITY : 0.009 352 REMARK 3 DIHEDRAL : 23.584 750 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 7UXP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAY-22. REMARK 100 THE DEPOSITION ID IS D_1000265145. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUL-21 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 : DIAMOND REMARK 200 BEAMLINE : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97629 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9672 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.620 REMARK 200 RESOLUTION RANGE LOW (A) : 59.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 10.00 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.62 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.71 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 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: 4ZQK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MES PH 6.5, 1.6 M MAGNESIUM REMARK 280 SULFATE., VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 41.65500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.94450 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 43.42950 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 41.65500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.94450 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 43.42950 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 41.65500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.94450 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 43.42950 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 41.65500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.94450 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 43.42950 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D 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 17 REMARK 465 ALA A 132 REMARK 465 PRO A 133 REMARK 465 TYR A 134 REMARK 465 ALA A 135 REMARK 465 ALA A 136 REMARK 465 ALA A 137 REMARK 465 LEU A 138 REMARK 465 GLU A 139 REMARK 465 HIS A 140 REMARK 465 HIS A 141 REMARK 465 HIS A 142 REMARK 465 HIS A 143 REMARK 465 HIS A 144 REMARK 465 HIS A 145 REMARK 465 MET B 17 REMARK 465 ALA B 18 REMARK 465 PHE B 19 REMARK 465 THR B 20 REMARK 465 PRO B 43 REMARK 465 VAL B 44 REMARK 465 GLU B 45 REMARK 465 LYS B 46 REMARK 465 GLN B 47 REMARK 465 LEU B 48 REMARK 465 ASP B 49 REMARK 465 LEU B 50 REMARK 465 ALA B 51 REMARK 465 ALA B 52 REMARK 465 LEU B 53 REMARK 465 TYR B 118 REMARK 465 GLY B 119 REMARK 465 GLY B 120 REMARK 465 PRO B 133 REMARK 465 TYR B 134 REMARK 465 ALA B 135 REMARK 465 ALA B 136 REMARK 465 ALA B 137 REMARK 465 LEU B 138 REMARK 465 GLU B 139 REMARK 465 HIS B 140 REMARK 465 HIS B 141 REMARK 465 HIS B 142 REMARK 465 HIS B 143 REMARK 465 HIS B 144 REMARK 465 HIS B 145 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 PHE A 19 120.89 -37.05 REMARK 500 LYS A 46 -71.85 61.40 REMARK 500 GLU A 60 -112.17 50.48 REMARK 500 TYR A 118 76.90 -153.20 REMARK 500 GLU B 60 -110.79 56.66 REMARK 500 ARG B 84 -26.71 -144.70 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7UWI RELATED DB: PDB REMARK 900 RELATED ID: 7UWO RELATED DB: PDB DBREF 7UXP A 18 134 UNP Q9NZQ7 PD1L1_HUMAN 18 134 DBREF 7UXP B 18 134 UNP Q9NZQ7 PD1L1_HUMAN 18 134 DBREF 7UXP C 0 17 PDB 7UXP 7UXP 0 17 DBREF 7UXP D 0 17 PDB 7UXP 7UXP 0 17 SEQADV 7UXP MET A 17 UNP Q9NZQ7 INITIATING METHIONINE SEQADV 7UXP ALA A 135 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP ALA A 136 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP ALA A 137 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP LEU A 138 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP GLU A 139 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS A 140 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS A 141 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS A 142 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS A 143 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS A 144 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS A 145 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP MET B 17 UNP Q9NZQ7 INITIATING METHIONINE SEQADV 7UXP ALA B 135 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP ALA B 136 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP ALA B 137 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP LEU B 138 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP GLU B 139 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS B 140 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS B 141 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS B 142 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS B 143 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS B 144 UNP Q9NZQ7 EXPRESSION TAG SEQADV 7UXP HIS B 145 UNP Q9NZQ7 EXPRESSION TAG SEQRES 1 A 129 MET ALA PHE THR VAL THR VAL PRO LYS ASP LEU TYR VAL SEQRES 2 A 129 VAL GLU TYR GLY SER ASN MET THR ILE GLU CYS LYS PHE SEQRES 3 A 129 PRO VAL GLU LYS GLN LEU ASP LEU ALA ALA LEU ILE VAL SEQRES 4 A 129 TYR TRP GLU MET GLU ASP LYS ASN ILE ILE GLN PHE VAL SEQRES 5 A 129 HIS GLY GLU GLU ASP LEU LYS VAL GLN HIS SER SER TYR SEQRES 6 A 129 ARG GLN ARG ALA ARG LEU LEU LYS ASP GLN LEU SER LEU SEQRES 7 A 129 GLY ASN ALA ALA LEU GLN ILE THR ASP VAL LYS LEU GLN SEQRES 8 A 129 ASP ALA GLY VAL TYR ARG CYS MET ILE SER TYR GLY GLY SEQRES 9 A 129 ALA ASP TYR LYS ARG ILE THR VAL LYS VAL ASN ALA PRO SEQRES 10 A 129 TYR ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 B 129 MET ALA PHE THR VAL THR VAL PRO LYS ASP LEU TYR VAL SEQRES 2 B 129 VAL GLU TYR GLY SER ASN MET THR ILE GLU CYS LYS PHE SEQRES 3 B 129 PRO VAL GLU LYS GLN LEU ASP LEU ALA ALA LEU ILE VAL SEQRES 4 B 129 TYR TRP GLU MET GLU ASP LYS ASN ILE ILE GLN PHE VAL SEQRES 5 B 129 HIS GLY GLU GLU ASP LEU LYS VAL GLN HIS SER SER TYR SEQRES 6 B 129 ARG GLN ARG ALA ARG LEU LEU LYS ASP GLN LEU SER LEU SEQRES 7 B 129 GLY ASN ALA ALA LEU GLN ILE THR ASP VAL LYS LEU GLN SEQRES 8 B 129 ASP ALA GLY VAL TYR ARG CYS MET ILE SER TYR GLY GLY SEQRES 9 B 129 ALA ASP TYR LYS ARG ILE THR VAL LYS VAL ASN ALA PRO SEQRES 10 B 129 TYR ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 C 18 ACE ASP PRO ALA LEU TRP GLN CYS VAL PHE ALA ALA ARG SEQRES 2 C 18 SER CYS TYR GLU GLU SEQRES 1 D 18 ACE ASP PRO ALA LEU TRP GLN CYS VAL PHE ALA ALA ARG SEQRES 2 D 18 SER CYS TYR GLU GLU HET ACE C 0 3 HET ACE D 0 3 HET NH2 C 101 1 HET WHL C 102 14 HET NH2 D 101 1 HET WHL D 102 14 HETNAM ACE ACETYL GROUP HETNAM NH2 AMINO GROUP HETNAM WHL N,N'-(1,4-PHENYLENE)DIACETAMIDE FORMUL 3 ACE 2(C2 H4 O) FORMUL 5 NH2 2(H2 N) FORMUL 6 WHL 2(C10 H12 N2 O2) FORMUL 9 HOH *4(H2 O) HELIX 1 AA1 ASP A 49 ALA A 51 5 3 HELIX 2 AA2 HIS A 78 ARG A 82 5 5 HELIX 3 AA3 LYS A 89 LEU A 94 5 6 HELIX 4 AA4 LYS A 105 ALA A 109 5 5 HELIX 5 AA5 HIS B 78 ARG B 82 5 5 HELIX 6 AA6 LEU B 88 SER B 93 1 6 HELIX 7 AA7 ASP C 1 GLU C 17 1 17 HELIX 8 AA8 ASP D 1 GLU D 17 1 17 SHEET 1 AA1 6 LEU A 27 GLU A 31 0 SHEET 2 AA1 6 ALA A 121 ASN A 131 1 O LYS A 129 N TYR A 28 SHEET 3 AA1 6 GLY A 110 TYR A 118 -1 N TYR A 112 O ILE A 126 SHEET 4 AA1 6 LEU A 53 MET A 59 -1 N GLU A 58 O ARG A 113 SHEET 5 AA1 6 LYS A 62 VAL A 68 -1 O PHE A 67 N VAL A 55 SHEET 6 AA1 6 GLU A 71 GLU A 72 -1 O GLU A 71 N VAL A 68 SHEET 1 AA2 3 MET A 36 LYS A 41 0 SHEET 2 AA2 3 ASN A 96 ILE A 101 -1 O ALA A 97 N CYS A 40 SHEET 3 AA2 3 ALA A 85 LEU A 87 -1 N ARG A 86 O GLN A 100 SHEET 1 AA3 6 LEU B 27 GLU B 31 0 SHEET 2 AA3 6 ASP B 122 ASN B 131 1 O ASN B 131 N VAL B 30 SHEET 3 AA3 6 GLY B 110 ILE B 116 -1 N TYR B 112 O ILE B 126 SHEET 4 AA3 6 VAL B 55 MET B 59 -1 N GLU B 58 O ARG B 113 SHEET 5 AA3 6 LYS B 62 VAL B 68 -1 O ILE B 65 N TRP B 57 SHEET 6 AA3 6 GLU B 71 GLU B 72 -1 O GLU B 71 N VAL B 68 SHEET 1 AA4 3 MET B 36 LYS B 41 0 SHEET 2 AA4 3 ASN B 96 ILE B 101 -1 O ALA B 97 N CYS B 40 SHEET 3 AA4 3 ALA B 85 LEU B 87 -1 N ARG B 86 O GLN B 100 SSBOND 1 CYS A 40 CYS A 114 1555 1555 2.02 SSBOND 2 CYS B 40 CYS B 114 1555 1555 2.04 LINK C ACE C 0 N ASP C 1 1555 1555 1.31 LINK SG CYS C 7 CH WHL C 102 1555 1555 1.79 LINK SG CYS C 14 CK WHL C 102 1555 1555 1.80 LINK C ACE D 0 N ASP D 1 1555 1555 1.34 LINK SG CYS D 7 CH WHL D 102 1555 1555 1.80 LINK SG CYS D 14 CK WHL D 102 1555 1555 1.87 CRYST1 83.310 85.889 86.859 90.00 90.00 90.00 I 2 2 2 16 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 0.012003 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011643 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011513 0.00000