HEADER SERINE PROTEASE 03-NOV-97 1AYE TITLE HUMAN PROCARBOXYPEPTIDASE A2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROCARBOXYPEPTIDASE A2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PCPA2; COMPND 5 EC: 3.4.17.15; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 ORGAN: PANCREAS; SOURCE 6 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS SERINE PROTEASE, ZYMOGEN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR I.GARCIA-SAEZ,D.REVERTE,J.VENDRELL,F.X.AVILES,M.COLL REVDAT 4 20-NOV-24 1AYE 1 REMARK REVDAT 3 02-AUG-23 1AYE 1 REMARK LINK REVDAT 2 24-FEB-09 1AYE 1 VERSN REVDAT 1 13-JAN-99 1AYE 0 JRNL AUTH I.GARCIA-SAEZ,D.REVERTER,J.VENDRELL,F.X.AVILES,M.COLL JRNL TITL THE THREE-DIMENSIONAL STRUCTURE OF HUMAN PROCARBOXYPEPTIDASE JRNL TITL 2 A2. DECIPHERING THE BASIS OF THE INHIBITION, ACTIVATION AND JRNL TITL 3 INTRINSIC ACTIVITY OF THE ZYMOGEN. JRNL REF EMBO J. V. 16 6906 1997 JRNL REFN ISSN 0261-4189 JRNL PMID 9384570 JRNL DOI 10.1093/EMBOJ/16.23.6906 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.GUASCH,M.COLL,F.X.AVILES,R.HUBER REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF PORCINE PANCREATIC REMARK 1 TITL 2 PROCARBOXYPEPTIDASE A. A COMPARISON OF THE A AND B ZYMOGENS REMARK 1 TITL 3 AND THEIR DETERMINANTS FOR INHIBITION AND ACTIVATION REMARK 1 REF J.MOL.BIOL. V. 224 141 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.COLL,A.GUASCH,F.X.AVILES,R.HUBER REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF PORCINE PROCARBOXYPEPTIDASE REMARK 1 TITL 2 B: A STRUCTURAL BASIS OF ITS INACTIVITY REMARK 1 REF EMBO J. V. 10 1 1991 REMARK 1 REFN ISSN 0261-4189 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 37092 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-FACTOR REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3174 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 176 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.736 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AYE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171407. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : APR-97 REMARK 200 TEMPERATURE (KELVIN) : 288 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38772 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.17800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 9.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.843 REMARK 200 STARTING MODEL: PDB ENTRY 1PCA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 43.53500 REMARK 290 SMTRY3 2 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: 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 400 REMARK 400 COMPOUND REMARK 400 ZYMOGEN OF ZINC-CONTAINING EXOPEPTIDASE, HYDROLYSIS OF REMARK 400 ALIMENTARY PROTEINS AND ESTERS REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 GLY A 135 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LEU A 4A N CB CG CD1 CD2 REMARK 480 GLU A 5A OE1 OE2 REMARK 480 GLU A 20A CD OE1 OE2 REMARK 480 GLU A 21A CG CD OE1 OE2 REMARK 480 LYS A 24A CD CE NZ REMARK 480 GLN A 62A CG CD OE1 NE2 REMARK 480 GLU A 80A CD OE1 OE2 REMARK 480 LYS A 88A CE NZ REMARK 480 ARG A 98A CG CD NE CZ NH1 NH2 REMARK 480 ASN A 5 CB CG OD1 ND2 REMARK 480 GLU A 16 CD OE1 OE2 REMARK 480 GLU A 28 CG CD OE1 OE2 REMARK 480 LYS A 92 NZ REMARK 480 LYS A 122 NZ REMARK 480 LYS A 132 CD CE NZ REMARK 480 VAL A 133 O CB CG1 CG2 REMARK 480 SER A 134 CA C O CB OG REMARK 480 LYS A 188 CE NZ REMARK 480 LYS A 225 CD CE NZ REMARK 480 LYS A 237 CE NZ REMARK 480 ARG A 276 NE CZ NH1 NH2 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 THR A 42A -75.52 -124.99 REMARK 500 ASP A 58 77.75 -104.76 REMARK 500 LYS A 92 -53.77 -120.74 REMARK 500 SER A 199 -17.58 144.50 REMARK 500 GLN A 200 63.28 60.93 REMARK 500 ASP A 215 30.97 -94.08 REMARK 500 ILE A 247 -80.21 -113.10 REMARK 500 TYR A 248 -175.88 172.80 REMARK 500 LEU A 271 -175.70 -69.79 REMARK 500 ASP A 273 -142.06 -111.87 REMARK 500 LEU A 280 50.13 -92.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 69 ND1 REMARK 620 2 GLU A 72 OE1 118.5 REMARK 620 3 GLU A 72 OE2 95.7 60.9 REMARK 620 4 HIS A 196 ND1 97.8 93.9 154.8 REMARK 620 5 HOH A 401 O 123.1 111.4 85.4 104.6 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: S0 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: S1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: S2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: S3 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: S4 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 400 DBREF 1AYE A 4A 309 UNP P48052 CPB2_HUMAN 17 417 SEQRES 1 A 401 LEU GLU THR PHE VAL GLY ASP GLN VAL LEU GLU ILE VAL SEQRES 2 A 401 PRO SER ASN GLU GLU GLN ILE LYS ASN LEU LEU GLN LEU SEQRES 3 A 401 GLU ALA GLN GLU HIS LEU GLN LEU ASP PHE TRP LYS SER SEQRES 4 A 401 PRO THR THR PRO GLY GLU THR ALA HIS VAL ARG VAL PRO SEQRES 5 A 401 PHE VAL ASN VAL GLN ALA VAL LYS VAL PHE LEU GLU SER SEQRES 6 A 401 GLN GLY ILE ALA TYR SER ILE MET ILE GLU ASP VAL GLN SEQRES 7 A 401 VAL LEU LEU ASP LYS GLU ASN GLU GLU MET LEU PHE ASN SEQRES 8 A 401 ARG ARG ARG GLU ARG SER GLY ASN PHE ASN PHE GLY ALA SEQRES 9 A 401 TYR HIS THR LEU GLU GLU ILE SER GLN GLU MET ASP ASN SEQRES 10 A 401 LEU VAL ALA GLU HIS PRO GLY LEU VAL SER LYS VAL ASN SEQRES 11 A 401 ILE GLY SER SER PHE GLU ASN ARG PRO MET ASN VAL LEU SEQRES 12 A 401 LYS PHE SER THR GLY GLY ASP LYS PRO ALA ILE TRP LEU SEQRES 13 A 401 ASP ALA GLY ILE HIS ALA ARG GLU TRP VAL THR GLN ALA SEQRES 14 A 401 THR ALA LEU TRP THR ALA ASN LYS ILE VAL SER ASP TYR SEQRES 15 A 401 GLY LYS ASP PRO SER ILE THR SER ILE LEU ASP ALA LEU SEQRES 16 A 401 ASP ILE PHE LEU LEU PRO VAL THR ASN PRO ASP GLY TYR SEQRES 17 A 401 VAL PHE SER GLN THR LYS ASN ARG MET TRP ARG LYS THR SEQRES 18 A 401 ARG SER LYS VAL SER GLY SER LEU CYS VAL GLY VAL ASP SEQRES 19 A 401 PRO ASN ARG ASN TRP ASP ALA GLY PHE GLY GLY PRO GLY SEQRES 20 A 401 ALA SER SER ASN PRO CYS SER ASP SER TYR HIS GLY PRO SEQRES 21 A 401 SER ALA ASN SER GLU VAL GLU VAL LYS SER ILE VAL ASP SEQRES 22 A 401 PHE ILE LYS SER HIS GLY LYS VAL LYS ALA PHE ILE ILE SEQRES 23 A 401 LEU HIS SER TYR SER GLN LEU LEU MET PHE PRO TYR GLY SEQRES 24 A 401 TYR LYS CYS THR LYS LEU ASP ASP PHE ASP GLU LEU SER SEQRES 25 A 401 GLU VAL ALA GLN LYS ALA ALA GLN SER LEU ARG SER LEU SEQRES 26 A 401 HIS GLY THR LYS TYR LYS VAL GLY PRO ILE CYS SER VAL SEQRES 27 A 401 ILE TYR GLN ALA SER GLY GLY SER ILE ASP TRP SER TYR SEQRES 28 A 401 ASP TYR GLY ILE LYS TYR SER PHE ALA PHE GLU LEU ARG SEQRES 29 A 401 ASP THR GLY ARG TYR GLY PHE LEU LEU PRO ALA ARG GLN SEQRES 30 A 401 ILE LEU PRO THR ALA GLU GLU THR TRP LEU GLY LEU LYS SEQRES 31 A 401 ALA ILE MET GLU HIS VAL ARG ASP HIS PRO TYR HET ZN A 400 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *176(H2 O) HELIX 1 1 GLU A 20A ALA A 31A 1 12 HELIX 2 2 GLU A 33A LEU A 34B 5 3 HELIX 3 3 PHE A 58A GLN A 71A 5 14 HELIX 4 4 VAL A 82A ARG A 2 1 20 HELIX 5 5 LEU A 15 GLU A 28 1 14 HELIX 6 6 TRP A 73 ASP A 89 1 17 HELIX 7 7 PRO A 94 ALA A 102 1 9 HELIX 8 8 PRO A 113 THR A 121 1 9 HELIX 9 9 PRO A 143 ARG A 145 5 3 HELIX 10 10 VAL A 174 HIS A 186 1 13 HELIX 11 11 PHE A 216 HIS A 234 1 19 HELIX 12 12 ILE A 243 VAL A 246 1 4 HELIX 13 13 SER A 254 TYR A 261 1 8 HELIX 14 14 ALA A 283 ASP A 306 5 24 SHEET 1 A 4 TYR A 75A ILE A 79A 0 SHEET 2 A 4 GLN A 11A VAL A 16A-1 N GLU A 14A O SER A 76A SHEET 3 A 4 THR A 51A VAL A 56A-1 N VAL A 56A O GLN A 11A SHEET 4 A 4 ASP A 36A LYS A 39A-1 N LYS A 39A O HIS A 53A SHEET 1 B 8 LYS A 239 PRO A 242 0 SHEET 2 B 8 LEU A 201 PHE A 204 1 N LEU A 202 O LYS A 239 SHEET 3 B 8 TYR A 265 GLU A 270 -1 N GLU A 270 O LEU A 201 SHEET 4 B 8 VAL A 189 HIS A 196 1 N PHE A 192 O TYR A 265 SHEET 5 B 8 PRO A 60 ALA A 66 1 N ALA A 61 O LYS A 190 SHEET 6 B 8 LEU A 103 LEU A 108 1 N ASP A 104 O PRO A 60 SHEET 7 B 8 PRO A 46 PHE A 52 -1 N PHE A 52 O ILE A 105 SHEET 8 B 8 VAL A 33 SER A 40 -1 N GLY A 39 O MET A 47 SSBOND 1 CYS A 138 CYS A 161 1555 1555 2.00 SSBOND 2 CYS A 210 CYS A 244 1555 1555 2.01 LINK ND1 HIS A 69 ZN ZN A 400 1555 1555 2.11 LINK OE1 GLU A 72 ZN ZN A 400 1555 1555 2.08 LINK OE2 GLU A 72 ZN ZN A 400 1555 1555 2.11 LINK ND1 HIS A 196 ZN ZN A 400 1555 1555 2.12 LINK ZN ZN A 400 O HOH A 401 1555 1555 1.98 CISPEP 1 SER A 197 TYR A 198 0 -0.73 CISPEP 2 PRO A 205 TYR A 206 0 -0.05 CISPEP 3 ARG A 272 ASP A 273 0 -0.18 SITE 1 S0 3 ARG A 145 ASN A 144 TYR A 248 SITE 1 S1 2 ARG A 127 GLU A 270 SITE 1 S2 4 ARG A 71 SER A 197 TYR A 198 SER A 199 SITE 1 S3 1 PHE A 279 SITE 1 S4 3 LYS A 122 ARG A 124 LYS A 128 SITE 1 AC1 4 HIS A 69 GLU A 72 HIS A 196 HOH A 401 CRYST1 42.200 87.070 59.020 90.00 99.35 90.00 P 1 21 1 2 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 0.023697 0.000000 0.003902 0.00000 SCALE2 0.000000 0.011485 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017172 0.00000