1DD6 - Header Asymmetric Unit

HEADER HYDROLASE 08-NOV-99 1DD6

TITLE IMP-1 METALLO BETA-LACTAMASE FROM PSEUDOMONAS AERUGINOSA IN TITLE 2 COMPLEX WITH A MERCAPTOCARBOXYLATE INHIBITOR

COMPND MOL_ID: 1; COMPND 2 MOLECULE: IMP-1 METALLO BETA-LACTAMASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA; SOURCE 3 ORGANISM_TAXID: 287; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PET

KEYWDS METALLO BETA-LACTAMASE INHIBITOR, MERCAPTOCARBOXYLATE KEYWDS 2 INHIBITOR, IMP-1 METALLO BETA-LACTAMASE, HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR N.O.CONCHA,C.A.JANSON,P.ROWLING,S.PEARSON,C.A.CHEEVER, AUTHOR 2 B.P.CLARKE,C.LEWIS,M.GALLENI,J.M.FRERE,D.J.PAYNE, AUTHOR 3 J.H.BATESON,S.S.ABDEL-MEGUID

REVDAT 2 24-FEB-09 1DD6 1 VERSN REVDAT 1 08-NOV-00 1DD6 0

JRNL AUTH N.O.CONCHA,C.A.JANSON,P.ROWLING,S.PEARSON, JRNL AUTH 2 C.A.CHEEVER,B.P.CLARKE,C.LEWIS,M.GALLENI,J.M.FRERE, JRNL AUTH 3 D.J.PAYNE,J.H.BATESON,S.S.ABDEL-MEGUID JRNL TITL CRYSTAL STRUCTURE OF THE IMP-1 METALLO JRNL TITL 2 BETA-LACTAMASE FROM PSEUDOMONAS AERUGINOSA AND ITS JRNL TITL 3 COMPLEX WITH A MERCAPTOCARBOXYLATE INHIBITOR: JRNL TITL 4 BINDING DETERMINANTS OF A POTENT, BROAD-SPECTRUM JRNL TITL 5 INHIBITOR. JRNL REF BIOCHEMISTRY V. 39 4288 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10757977 JRNL DOI 10.1021/BI992569M

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.1 REMARK 3 NUMBER OF REFLECTIONS : 33702 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) : 0.198 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3355 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 : 3392 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 72 REMARK 3 SOLVENT ATOMS : 340 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.00 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) : 0.018 REMARK 3 BOND ANGLES (DEGREES) : 2.00 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1DD6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-NOV-99. REMARK 100 THE RCSB ID CODE IS RCSB009987.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-APR-97; 11-NOV-98 REMARK 200 TEMPERATURE (KELVIN) : 298; 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N; Y REMARK 200 RADIATION SOURCE : ROTATING ANODE; NSLS REMARK 200 BEAMLINE : NULL; X25 REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU300; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54; 1.1000 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH; MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : HKL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 545270 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 34187.0 REMARK 200 DATA REDUNDANCY : 16.000 REMARK 200 R MERGE (I) : 0.10300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.6 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.31400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 51.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SITTING DROPS WERE PREPARED BY REMARK 280 MIXING EQUAL VOLUMES OF PROTEIN WHICH WAS 14 MG/ ML IN 20MM REMARK 280 HEPES, PH 7.5 AND TO WHICH AN EXCESS OF SOLID INHIBITOR HAD REMARK 280 BEEN ADDED AND RESERVOIR SOLUTION (30% PEG 2000 REMARK 280 MONOMETHYLETHER, 0.1M SODIUM ACETATE, PH 5.0 AND 0.2M AMMONIUM REMARK 280 SULFATE). THIS MIXTURE WAS INCUBATED OVERNIGHT AT 4C AND REMARK 280 CENTRIFUGED TO REMOVE PRECIPITATE BEFORE SETTING UP REMARK 280 CRYSTALLIZATION DROPS. CO-CRYSTALS WERE GROWN FROM 6 ML REMARK 280 SITTING DROPS OF THE PROTEIN-RESERVOIR SOLUTION AND 0.3 ML OF REMARK 280 THE RESERVOIR SOLUTION AT EITHER ROOM TEMPERATURE OR 4C, PH REMARK 280 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K

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 24.65000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 101.65000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 101.65000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.65000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.60000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 ALA A 1 REMARK 465 GLU A 2 REMARK 465 SER A 3 REMARK 465 SER A 220 REMARK 465 LYS A 221 REMARK 465 LYS A 222 REMARK 465 PRO A 223 REMARK 465 SER A 224 REMARK 465 LYS A 225 REMARK 465 PRO A 226 REMARK 465 SER A 227 REMARK 465 ASN A 228 REMARK 465 ALA B 1 REMARK 465 GLU B 2 REMARK 465 SER B 3 REMARK 465 LYS B 221 REMARK 465 LYS B 222 REMARK 465 PRO B 223 REMARK 465 SER B 224 REMARK 465 LYS B 225 REMARK 465 PRO B 226 REMARK 465 SER B 227 REMARK 465 ASN B 228

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 ASN A 41 83.27 30.39 REMARK 500 ALA A 42 -3.42 66.76 REMARK 500 ASP A 48 136.31 77.16 REMARK 500 ASN A 128 13.02 58.54 REMARK 500 LYS A 129 -35.05 -130.19 REMARK 500 ASP A 202 -168.01 -111.79 REMARK 500 ASN A 218 -79.96 -54.25 REMARK 500 ASN B 26 105.52 -41.33 REMARK 500 ASN B 41 76.70 33.47 REMARK 500 ASP B 48 145.05 80.48 REMARK 500 PRO B 50 178.62 -58.11 REMARK 500 LYS B 127 119.04 -34.77 REMARK 500 ASP B 202 -160.10 -107.40 REMARK 500 GLU B 219 23.38 -66.16 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 565 DISTANCE = 6.03 ANGSTROMS REMARK 525 HOH A 581 DISTANCE = 7.03 ANGSTROMS REMARK 525 HOH A 608 DISTANCE = 6.77 ANGSTROMS REMARK 525 HOH A 614 DISTANCE = 5.53 ANGSTROMS REMARK 525 HOH A 619 DISTANCE = 6.69 ANGSTROMS REMARK 525 HOH B 628 DISTANCE = 6.79 ANGSTROMS REMARK 525 HOH A 658 DISTANCE = 5.31 ANGSTROMS REMARK 525 HOH B 662 DISTANCE = 6.95 ANGSTROMS

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 502 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MCI A 550 S20 REMARK 620 2 HIS A 77 NE2 124.6 REMARK 620 3 HIS A 139 NE2 99.9 108.4 REMARK 620 4 HIS A 79 ND1 107.2 108.0 107.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 503 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 81 OD2 REMARK 620 2 HIS A 197 NE2 100.0 REMARK 620 3 MCI A 550 S20 105.3 111.6 REMARK 620 4 CYS A 158 SG 112.8 106.9 118.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 504 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 139 NE2 REMARK 620 2 HIS B 77 NE2 104.9 REMARK 620 3 MCI B 551 S20 106.5 126.5 REMARK 620 4 HIS B 79 ND1 104.4 111.1 101.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 505 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 81 OD2 REMARK 620 2 CYS B 158 SG 118.0 REMARK 620 3 MCI B 551 S20 97.3 125.4 REMARK 620 4 HIS B 197 NE2 83.3 114.2 109.9 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 SO4 A 501 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 502 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 503 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 504 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 505 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MCI A 550 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MCI B 551

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DDK RELATED DB: PDB

DBREF 1DD6 A 1 228 UNP P52699 BLAB_SERMA 19 246 DBREF 1DD6 B 1 228 UNP P52699 BLAB_SERMA 19 246

SEQRES 1 A 228 ALA GLU SER LEU PRO ASP LEU LYS ILE GLU LYS LEU ASP SEQRES 2 A 228 GLU GLY VAL TYR VAL HIS THR SER PHE GLU GLU VAL ASN SEQRES 3 A 228 GLY TRP GLY VAL VAL PRO LYS HIS GLY LEU VAL VAL LEU SEQRES 4 A 228 VAL ASN ALA GLU ALA TYR LEU ILE ASP THR PRO PHE THR SEQRES 5 A 228 ALA LYS ASP THR GLU LYS LEU VAL THR TRP PHE VAL GLU SEQRES 6 A 228 ARG GLY TYR LYS ILE LYS GLY SER ILE SER SER HIS PHE SEQRES 7 A 228 HIS SER ASP SER THR GLY GLY ILE GLU TRP LEU ASN SER SEQRES 8 A 228 ARG SER ILE PRO THR TYR ALA SER GLU LEU THR ASN GLU SEQRES 9 A 228 LEU LEU LYS LYS ASP GLY LYS VAL GLN ALA THR ASN SER SEQRES 10 A 228 PHE SER GLY VAL ASN TYR TRP LEU VAL LYS ASN LYS ILE SEQRES 11 A 228 GLU VAL PHE TYR PRO GLY PRO GLY HIS THR PRO ASP ASN SEQRES 12 A 228 VAL VAL VAL TRP LEU PRO GLU ARG LYS ILE LEU PHE GLY SEQRES 13 A 228 GLY CYS PHE ILE LYS PRO TYR GLY LEU GLY ASN LEU GLY SEQRES 14 A 228 ASP ALA ASN ILE GLU ALA TRP PRO LYS SER ALA LYS LEU SEQRES 15 A 228 LEU LYS SER LYS TYR GLY LYS ALA LYS LEU VAL VAL PRO SEQRES 16 A 228 SER HIS SER GLU VAL GLY ASP ALA SER LEU LEU LYS LEU SEQRES 17 A 228 THR LEU GLU GLN ALA VAL LYS GLY LEU ASN GLU SER LYS SEQRES 18 A 228 LYS PRO SER LYS PRO SER ASN SEQRES 1 B 228 ALA GLU SER LEU PRO ASP LEU LYS ILE GLU LYS LEU ASP SEQRES 2 B 228 GLU GLY VAL TYR VAL HIS THR SER PHE GLU GLU VAL ASN SEQRES 3 B 228 GLY TRP GLY VAL VAL PRO LYS HIS GLY LEU VAL VAL LEU SEQRES 4 B 228 VAL ASN ALA GLU ALA TYR LEU ILE ASP THR PRO PHE THR SEQRES 5 B 228 ALA LYS ASP THR GLU LYS LEU VAL THR TRP PHE VAL GLU SEQRES 6 B 228 ARG GLY TYR LYS ILE LYS GLY SER ILE SER SER HIS PHE SEQRES 7 B 228 HIS SER ASP SER THR GLY GLY ILE GLU TRP LEU ASN SER SEQRES 8 B 228 ARG SER ILE PRO THR TYR ALA SER GLU LEU THR ASN GLU SEQRES 9 B 228 LEU LEU LYS LYS ASP GLY LYS VAL GLN ALA THR ASN SER SEQRES 10 B 228 PHE SER GLY VAL ASN TYR TRP LEU VAL LYS ASN LYS ILE SEQRES 11 B 228 GLU VAL PHE TYR PRO GLY PRO GLY HIS THR PRO ASP ASN SEQRES 12 B 228 VAL VAL VAL TRP LEU PRO GLU ARG LYS ILE LEU PHE GLY SEQRES 13 B 228 GLY CYS PHE ILE LYS PRO TYR GLY LEU GLY ASN LEU GLY SEQRES 14 B 228 ASP ALA ASN ILE GLU ALA TRP PRO LYS SER ALA LYS LEU SEQRES 15 B 228 LEU LYS SER LYS TYR GLY LYS ALA LYS LEU VAL VAL PRO SEQRES 16 B 228 SER HIS SER GLU VAL GLY ASP ALA SER LEU LEU LYS LEU SEQRES 17 B 228 THR LEU GLU GLN ALA VAL LYS GLY LEU ASN GLU SER LYS SEQRES 18 B 228 LYS PRO SER LYS PRO SER ASN

HET SO4 A 501 5 HET ZN A 502 1 HET ZN A 503 1 HET ZN B 504 1 HET ZN B 505 1 HET MCI A 550 29 HET MCI B 551 34

HETNAM SO4 SULFATE ION HETNAM ZN ZINC ION HETNAM MCI (2-MERCAPTOMETHYL-4-PHENYL-BUTYRYLIMINO)-(5-TETRAZOL- HETNAM 2 MCI 1-YLMETHYL-THIOPHEN-2-YL)-ACETIC ACID

HETSYN MCI MERCAPTOCARBOXYLATE INHIBITOR

FORMUL 3 SO4 O4 S 2- FORMUL 4 ZN 4(ZN 2+) FORMUL 8 MCI 2(C19 H19 N5 O3 S2) FORMUL 10 HOH *340(H2 O)

HELIX 1 1 THR A 52 GLU A 65 1 14 HELIX 2 2 HIS A 79 GLY A 84 1 6 HELIX 3 3 GLY A 85 ARG A 92 1 8 HELIX 4 4 GLU A 100 ASP A 109 1 10 HELIX 5 5 CYS A 158 ILE A 160 5 3 HELIX 6 6 ALA A 175 GLY A 188 1 14 HELIX 7 7 ALA A 203 GLU A 219 1 17 HELIX 8 8 THR B 52 GLU B 65 1 14 HELIX 9 9 HIS B 79 GLY B 84 1 6 HELIX 10 10 GLY B 85 ARG B 92 1 8 HELIX 11 11 GLU B 100 ASP B 109 1 10 HELIX 12 12 ALA B 175 TYR B 187 1 13 HELIX 13 13 ALA B 203 GLU B 219 1 17

SHEET 1 A 7 LYS A 8 ASP A 13 0 SHEET 2 A 7 VAL A 16 VAL A 25 -1 O VAL A 16 N LEU A 12 SHEET 3 A 7 GLY A 29 VAL A 40 -1 O GLY A 29 N VAL A 25 SHEET 4 A 7 GLU A 43 ILE A 47 -1 O GLU A 43 N VAL A 40 SHEET 5 A 7 LYS A 69 ILE A 74 1 O LYS A 69 N ALA A 44 SHEET 6 A 7 THR A 96 SER A 99 1 N TYR A 97 O SER A 73 SHEET 7 A 7 ASN A 116 PHE A 118 1 N ASN A 116 O THR A 96 SHEET 1 B 5 ASN A 122 VAL A 126 0 SHEET 2 B 5 ILE A 130 PHE A 133 -1 N ILE A 130 O VAL A 126 SHEET 3 B 5 VAL A 145 LEU A 148 -1 N VAL A 145 O PHE A 133 SHEET 4 B 5 ILE A 153 GLY A 157 -1 O ILE A 153 N LEU A 148 SHEET 5 B 5 LEU A 192 PRO A 195 1 O LEU A 192 N LEU A 154 SHEET 1 C 7 LYS B 8 ASP B 13 0 SHEET 2 C 7 VAL B 16 VAL B 25 -1 O VAL B 16 N LEU B 12 SHEET 3 C 7 GLY B 29 VAL B 40 -1 O GLY B 29 N VAL B 25 SHEET 4 C 7 GLU B 43 ILE B 47 -1 N GLU B 43 O VAL B 40 SHEET 5 C 7 LYS B 69 ILE B 74 1 O LYS B 69 N ALA B 44 SHEET 6 C 7 THR B 96 SER B 99 1 N TYR B 97 O SER B 73 SHEET 7 C 7 ASN B 116 PHE B 118 1 N ASN B 116 O THR B 96 SHEET 1 D 5 ASN B 122 VAL B 126 0 SHEET 2 D 5 ILE B 130 PHE B 133 -1 O ILE B 130 N VAL B 126 SHEET 3 D 5 VAL B 145 LEU B 148 -1 N VAL B 145 O PHE B 133 SHEET 4 D 5 ILE B 153 GLY B 157 -1 O ILE B 153 N LEU B 148 SHEET 5 D 5 LEU B 192 PRO B 195 1 O LEU B 192 N LEU B 154

LINK ZN ZN A 502 S20 MCI A 550 1555 1555 2.24 LINK ZN ZN A 502 NE2 HIS A 77 1555 1555 2.19 LINK ZN ZN A 502 NE2 HIS A 139 1555 1555 2.16 LINK ZN ZN A 502 ND1 HIS A 79 1555 1555 2.15 LINK ZN ZN A 503 OD2 ASP A 81 1555 1555 2.10 LINK ZN ZN A 503 NE2 HIS A 197 1555 1555 2.26 LINK ZN ZN A 503 S20 MCI A 550 1555 1555 2.40 LINK ZN ZN A 503 SG CYS A 158 1555 1555 2.33 LINK ZN ZN B 504 NE2 HIS B 139 1555 1555 2.16 LINK ZN ZN B 504 NE2 HIS B 77 1555 1555 2.35 LINK ZN ZN B 504 S20 MCI B 551 1555 1555 2.44 LINK ZN ZN B 504 ND1 HIS B 79 1555 1555 2.20 LINK ZN ZN B 505 OD2 ASP B 81 1555 1555 2.18 LINK ZN ZN B 505 SG CYS B 158 1555 1555 2.37 LINK ZN ZN B 505 S20 MCI B 551 1555 1555 2.57 LINK ZN ZN B 505 NE2 HIS B 197 1555 1555 2.43

SITE 1 AC1 5 ASN A 41 GLU A 65 ARG A 66 LYS A 129 SITE 2 AC1 5 HOH A 627 SITE 1 AC2 5 HIS A 77 HIS A 79 HIS A 139 ZN A 503 SITE 2 AC2 5 MCI A 550 SITE 1 AC3 5 ASP A 81 CYS A 158 HIS A 197 ZN A 502 SITE 2 AC3 5 MCI A 550 SITE 1 AC4 5 HIS B 77 HIS B 79 HIS B 139 ZN B 505 SITE 2 AC4 5 MCI B 551 SITE 1 AC5 5 ASP B 81 CYS B 158 HIS B 197 ZN B 504 SITE 2 AC5 5 MCI B 551 SITE 1 AC6 24 GLU A 23 VAL A 25 TRP A 28 VAL A 31 SITE 2 AC6 24 LYS A 33 HIS A 79 ASP A 81 HIS A 139 SITE 3 AC6 24 LYS A 161 GLY A 164 LEU A 165 GLY A 166 SITE 4 AC6 24 ASN A 167 HIS A 197 ZN A 502 ZN A 503 SITE 5 AC6 24 HOH A 620 HOH A 654 HOH A 662 HOH A 669 SITE 6 AC6 24 HOH A 687 HOH A 697 HOH A 744 GLU B 199 SITE 1 AC7 20 LEU A 4 GLU A 24 GLY A 29 VAL A 30 SITE 2 AC7 20 GLU B 23 VAL B 25 TRP B 28 VAL B 31 SITE 3 AC7 20 PRO B 32 LYS B 33 PHE B 51 HIS B 79 SITE 4 AC7 20 ASP B 81 HIS B 139 LYS B 161 ASN B 167 SITE 5 AC7 20 HIS B 197 ZN B 504 ZN B 505 HOH B 624

CRYST1 49.300 51.200 203.300 90.00 90.00 90.00 P 21 21 21 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 0.020270 0.000000 0.000000 0.00000

SCALE2 0.000000 0.019534 0.000000 0.00000

SCALE3 0.000000 0.000000 0.004920 0.00000