HEADER HYDROLASE 04-JUL-01 1JJ9 TITLE CRYSTAL STRUCTURE OF MMP8-BARBITURATE COMPLEX REVEALS MECHANISM FOR TITLE 2 COLLAGEN SUBSTRATE RECOGNITION COMPND MOL_ID: 1; COMPND 2 MOLECULE: MATRIX METALLOPROTEINASE 8; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: NEUTROPHIL COLLAGENASE; COMPND 6 EC: 3.4.24.34; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET KEYWDS MMP-8, SUBSTRATE RECOGNITION, CIS-PEPTIDE BOND, CONFORMATIONAL KEYWDS 2 TRANSITION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR H.BRANDSTETTER,F.GRAMS,D.GLITZ,A.LANG,R.HUBER,W.BODE,H.-W.KRELL, AUTHOR 2 R.A.ENGH REVDAT 6 13-MAR-24 1JJ9 1 REMARK LINK REVDAT 5 04-OCT-17 1JJ9 1 REMARK REVDAT 4 24-FEB-09 1JJ9 1 VERSN REVDAT 3 01-APR-03 1JJ9 1 JRNL REVDAT 2 18-DEC-02 1JJ9 1 REMARK REVDAT 1 01-AUG-01 1JJ9 0 JRNL AUTH H.BRANDSTETTER,F.GRAMS,D.GLITZ,A.LANG,R.HUBER,W.BODE, JRNL AUTH 2 H.W.KRELL,R.A.ENGH JRNL TITL THE 1.8-A CRYSTAL STRUCTURE OF A MATRIX METALLOPROTEINASE JRNL TITL 2 8-BARBITURATE INHIBITOR COMPLEX REVEALS A PREVIOUSLY JRNL TITL 3 UNOBSERVED MECHANISM FOR COLLAGENASE SUBSTRATE RECOGNITION. JRNL REF J.BIOL.CHEM. V. 276 17405 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11278347 JRNL DOI 10.1074/JBC.M007475200 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 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 : 10862 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.211 REMARK 3 FREE R VALUE : 0.296 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 521 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 8.00 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2110 REMARK 3 BIN FREE R VALUE : 0.2960 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 521 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 : 1249 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 185 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JJ9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-JUL-01. REMARK 100 THE DEPOSITION ID IS D_1000013836. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUN-96 REMARK 200 TEMPERATURE (KELVIN) : 275 REMARK 200 PH : 6.0 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XENTRONICS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14371 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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) : 20.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.0 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: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG6000, 10MM CACL2, 100MM NACL, REMARK 280 CACODYLATE PH6.0, VAPOR DIFFUSION, TEMPERATURE 291K 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 30.51000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.61500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 44.23500 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 30.51000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.61500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 44.23500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 30.51000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 34.61500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 44.23500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 30.51000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 34.61500 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 44.23500 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 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 80 REMARK 465 LEU A 81 REMARK 465 THR A 82 REMARK 465 PRO A 83 REMARK 465 GLY A 84 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 ASN A 85 REMARK 475 ASN A 226 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 GLN A 168 CG CD OE1 NE2 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 145 -123.84 27.57 REMARK 500 HIS A 147 33.58 -141.15 REMARK 500 ASN A 150 -4.78 73.68 REMARK 500 ASN A 157 -159.34 63.83 REMARK 500 PRO A 217 51.49 -66.65 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 CA A 996 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 137 O REMARK 620 2 GLY A 169 O 166.1 REMARK 620 3 GLY A 171 O 99.1 92.9 REMARK 620 4 ASP A 173 OD2 89.0 99.0 85.5 REMARK 620 5 HOH A 511 O 79.0 87.3 159.2 115.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 998 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 147 NE2 REMARK 620 2 ASP A 149 OD2 109.5 REMARK 620 3 HIS A 162 NE2 108.6 111.2 REMARK 620 4 HIS A 175 ND1 110.9 99.6 116.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 997 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 154 OD2 REMARK 620 2 GLY A 155 O 88.9 REMARK 620 3 ASN A 157 O 90.0 92.8 REMARK 620 4 ILE A 159 O 88.2 176.0 89.9 REMARK 620 5 ASP A 177 OD1 90.5 79.4 172.2 98.0 REMARK 620 6 GLU A 180 OE1 176.7 94.4 89.3 88.6 90.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 999 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 197 NE2 REMARK 620 2 HIS A 201 NE2 100.3 REMARK 620 3 HIS A 207 NE2 119.7 102.4 REMARK 620 4 BBT A1000 N1 95.5 125.6 113.8 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 996 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 997 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 998 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 999 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BBT A 1000 DBREF 1JJ9 A 80 242 UNP P22894 MMP8_HUMAN 100 262 SEQRES 1 A 163 MET LEU THR PRO GLY ASN PRO LYS TRP GLU ARG THR ASN SEQRES 2 A 163 LEU THR TYR ARG ILE ARG ASN TYR THR PRO GLN LEU SER SEQRES 3 A 163 GLU ALA GLU VAL GLU ARG ALA ILE LYS ASP ALA PHE GLU SEQRES 4 A 163 LEU TRP SER VAL ALA SER PRO LEU ILE PHE THR ARG ILE SEQRES 5 A 163 SER GLN GLY GLU ALA ASP ILE ASN ILE ALA PHE TYR GLN SEQRES 6 A 163 ARG ASP HIS GLY ASP ASN SER PRO PHE ASP GLY PRO ASN SEQRES 7 A 163 GLY ILE LEU ALA HIS ALA PHE GLN PRO GLY GLN GLY ILE SEQRES 8 A 163 GLY GLY ASP ALA HIS PHE ASP ALA GLU GLU THR TRP THR SEQRES 9 A 163 ASN THR SER ALA ASN TYR ASN LEU PHE LEU VAL ALA ALA SEQRES 10 A 163 HIS GLU PHE GLY HIS SER LEU GLY LEU ALA HIS SER SER SEQRES 11 A 163 ASP PRO GLY ALA LEU MET TYR PRO ASN TYR ALA PHE ARG SEQRES 12 A 163 GLU THR SER ASN TYR SER LEU PRO GLN ASP ASP ILE ASP SEQRES 13 A 163 GLY ILE GLN ALA ILE TYR GLY HET CA A 996 1 HET CA A 997 1 HET ZN A 998 1 HET ZN A 999 1 HET BBT A1000 24 HETNAM CA CALCIUM ION HETNAM ZN ZINC ION HETNAM BBT 2-HYDROXY-5-[4-(2-HYDROXY-ETHYL)-PIPERIDIN-1-YL]-5- HETNAM 2 BBT PHENYL-1H-PYRIMIDINE-4,6-DIONE FORMUL 2 CA 2(CA 2+) FORMUL 4 ZN 2(ZN 2+) FORMUL 6 BBT C17 H21 N3 O4 FORMUL 7 HOH *185(H2 O) HELIX 1 1 SER A 105 VAL A 122 1 18 HELIX 2 2 ASN A 190 GLY A 204 1 15 HELIX 3 3 PRO A 230 GLY A 242 1 13 SHEET 1 A 5 ILE A 127 ARG A 130 0 SHEET 2 A 5 ASN A 92 ILE A 97 1 N LEU A 93 O ILE A 127 SHEET 3 A 5 ILE A 138 TYR A 143 1 N ILE A 138 O THR A 94 SHEET 4 A 5 ALA A 174 ASP A 177 1 N ALA A 174 O ASN A 139 SHEET 5 A 5 ALA A 161 ALA A 163 -1 O HIS A 162 N HIS A 175 LINK O ASP A 137 CA CA A 996 1555 1555 2.34 LINK NE2 HIS A 147 ZN ZN A 998 1555 1555 2.06 LINK OD2 ASP A 149 ZN ZN A 998 1555 1555 1.97 LINK OD2 ASP A 154 CA CA A 997 1555 1555 2.29 LINK O GLY A 155 CA CA A 997 1555 1555 2.17 LINK O ASN A 157 CA CA A 997 1555 1555 2.12 LINK O ILE A 159 CA CA A 997 1555 1555 2.31 LINK NE2 HIS A 162 ZN ZN A 998 1555 1555 2.03 LINK O GLY A 169 CA CA A 996 1555 1555 2.21 LINK O GLY A 171 CA CA A 996 1555 1555 2.23 LINK OD2 ASP A 173 CA CA A 996 1555 1555 2.37 LINK ND1 HIS A 175 ZN ZN A 998 1555 1555 1.95 LINK OD1 ASP A 177 CA CA A 997 1555 1555 2.48 LINK OE1 GLU A 180 CA CA A 997 1555 1555 2.10 LINK NE2 HIS A 197 ZN ZN A 999 1555 1555 2.03 LINK NE2 HIS A 201 ZN ZN A 999 1555 1555 1.95 LINK NE2 HIS A 207 ZN ZN A 999 1555 1555 2.00 LINK O HOH A 511 CA CA A 996 1555 1555 1.62 LINK ZN ZN A 999 N1 BBT A1000 1555 1555 2.09 CISPEP 1 ASN A 188 TYR A 189 0 0.02 SITE 1 AC1 5 ASP A 137 GLY A 169 GLY A 171 ASP A 173 SITE 2 AC1 5 HOH A 511 SITE 1 AC2 6 ASP A 154 GLY A 155 ASN A 157 ILE A 159 SITE 2 AC2 6 ASP A 177 GLU A 180 SITE 1 AC3 4 HIS A 147 ASP A 149 HIS A 162 HIS A 175 SITE 1 AC4 4 HIS A 197 HIS A 201 HIS A 207 BBT A1000 SITE 1 AC5 10 LEU A 160 ALA A 161 HIS A 197 GLU A 198 SITE 2 AC5 10 HIS A 201 HIS A 207 PRO A 217 ASN A 218 SITE 3 AC5 10 HOH A 558 ZN A 999 CRYST1 61.020 69.230 88.470 90.00 90.00 90.00 I 2 2 2 8 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 0.016388 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014445 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011303 0.00000