HEADER LYASE(OXO-ACID) 28-NOV-93 1BZM TITLE DRUG-PROTEIN INTERACTIONS: STRUCTURE OF SULFONAMIDE DRUG COMPLEXED TITLE 2 WITH HUMAN CARBONIC ANHYDRASE I COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE I; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS PROTEIN-DRUG INTERACTIONS, OXO-ACID LYASE, SULFONAMIDES, LYASE(OXO- KEYWDS 2 ACID) EXPDTA X-RAY DIFFRACTION AUTHOR S.CHAKRAVARTY,K.K.KANNAN REVDAT 7 07-FEB-24 1BZM 1 REMARK LINK REVDAT 6 29-NOV-17 1BZM 1 HELIX REVDAT 5 06-APR-16 1BZM 1 HET HETSYN VERSN REVDAT 4 24-FEB-09 1BZM 1 VERSN REVDAT 3 01-APR-03 1BZM 1 JRNL REVDAT 2 29-OCT-99 1BZM 1 TITLE KEYWDS EXPDTA JRNL REVDAT 1 30-APR-94 1BZM 0 JRNL AUTH S.CHAKRAVARTY,K.K.KANNAN JRNL TITL DRUG-PROTEIN INTERACTIONS. REFINED STRUCTURES OF THREE JRNL TITL 2 SULFONAMIDE DRUG COMPLEXES OF HUMAN CARBONIC ANHYDRASE I JRNL TITL 3 ENZYME. JRNL REF J.MOL.BIOL. V. 243 298 1994 JRNL REFN ISSN 0022-2836 JRNL PMID 7932756 JRNL DOI 10.1006/JMBI.1994.1655 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.CHAKRAVARTY,V.S.YADAVA,V.KUMAR,K.K.KANNAN REMARK 1 TITL DRUG PROTEIN INTERACTION AT THE MOLECULAR LEVEL: A STUDY OF REMARK 1 TITL 2 SULPHONAMIDE CARBONIC ANHYDRASE COMPLEXES REMARK 1 REF J.BIOSCI. V. 8 491 1985 REMARK 1 REFN ISSN 0250-4774 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.K.KANNAN,I.VAARA,B.NOTSTRAND,S.LOVGREN,A.BORELL, REMARK 1 AUTH 2 K.FRIDBORG,M.PETEF REMARK 1 TITL STRUCTURE AND FUNCTION OF CARBONIC ANHYDRASE: COMPARATIVE REMARK 1 TITL 2 STUDIES OF SULPHONAMIDE BINDING TO HUMAN ERYTHROCYTE REMARK 1 TITL 3 CARBONIC ANHYDRASES B AND C REMARK 1 EDIT G.C.K.ROBERTS REMARK 1 REF DRUG ACTION AT THE MOLECULAR 73 1977 REMARK 1 REF 2 LEVEL REMARK 1 PUBL UNIVERSITY PARK PRESS,BALTIMORE;MACMILLAN PRESS, LONDON REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROTEIN REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14458 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.186 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2034 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 182 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.018 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.037 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.072 ; 0.040 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.016 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 6.300 ; 6.300 REMARK 3 STAGGERED (DEGREES) : 17.500; 17.500 REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: REMARK 3 THE FIRST FOUR N-TERMINAL RESIDUES ALA 1, SER 2, PRO 3 AND REMARK 3 ASP 4 AND WATER MOLECULES 340 AND 432 DO NOT HAVE WELL REMARK 3 DEFINED ELECTRON DENSITY AND SHOULD BE TREATED WITH REMARK 3 CAUTION. REMARK 4 REMARK 4 1BZM 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_1000172158. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 40.92500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 18.88000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.65500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 18.88000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.92500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.65500 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: 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 THE DRUG MOLECULE HAS WELL DEFINED ELECTRON DENSITY REMARK 400 IN THE ACTIVE SITE OF THE ENZYME. WHEN THE DRUG REMARK 400 BINDS TO THE ENZYME, THE LOOP REGION COMPRISING OF REMARK 400 RESIDUES LEU 198, THR 199 AND HIS 200 UNDERGOES A REMARK 400 SIGNIFICANT CHANGE AS COMPARED TO THE NATIVE STRUCTURE. REMARK 400 REMARK 400 ACTIVE SITE HYDROGEN BONDED SOLVENT NETWORK INVOLVING REMARK 400 HIS 67 AND HIS 200 IS POSSIBLY IMPORTANT FOR THE REMARK 400 CATALYTIC ACTIVITY AND INHIBITION OF THIS ISOENZYME. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 CB ALA A 1 CG ASP A 110 1554 0.76 REMARK 500 CB ALA A 1 CB ASP A 110 1554 0.90 REMARK 500 CA ALA A 1 CB ASP A 110 1554 1.13 REMARK 500 OG SER A 2 CB VAL A 109 1554 1.36 REMARK 500 CE LYS A 137 O HOH A 375 1554 1.53 REMARK 500 N ALA A 1 O ASP A 110 1554 1.66 REMARK 500 CB ALA A 1 OD2 ASP A 110 1554 1.68 REMARK 500 N ALA A 1 CB ASP A 110 1554 1.69 REMARK 500 CB ALA A 1 OD1 ASP A 110 1554 1.73 REMARK 500 O SER A 2 CG1 VAL A 112 1554 1.82 REMARK 500 N ALA A 1 C ASP A 110 1554 1.93 REMARK 500 O SER A 2 CB VAL A 112 1554 1.96 REMARK 500 N ALA A 1 CA ASP A 110 1554 2.06 REMARK 500 OG SER A 2 CA VAL A 109 1554 2.09 REMARK 500 OG SER A 2 CG1 VAL A 109 1554 2.11 REMARK 500 CA ALA A 1 CG ASP A 110 1554 2.17 REMARK 500 C ALA A 1 CB ASP A 110 1554 2.17 REMARK 500 CB ALA A 1 CA ASP A 110 1554 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 3 CD PRO A 3 N 0.191 REMARK 500 REMARK 500 REMARK: NULL 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 SER A 2 O - C - N ANGL. DEV. = 23.2 DEGREES REMARK 500 PRO A 3 C - N - CA ANGL. DEV. = 37.3 DEGREES REMARK 500 PRO A 3 C - N - CD ANGL. DEV. = -22.6 DEGREES REMARK 500 PRO A 3 CA - N - CD ANGL. DEV. = -28.9 DEGREES REMARK 500 PRO A 3 N - CD - CG ANGL. DEV. = -10.0 DEGREES REMARK 500 ASP A 4 C - N - CA ANGL. DEV. = 20.1 DEGREES REMARK 500 GLY A 12 C - N - CA ANGL. DEV. = 13.2 DEGREES REMARK 500 ASP A 72 CB - CG - OD1 ANGL. DEV. = -6.3 DEGREES REMARK 500 ASP A 72 CB - CG - OD2 ANGL. DEV. = 7.3 DEGREES REMARK 500 ASP A 74 CB - CA - C ANGL. DEV. = -14.7 DEGREES REMARK 500 ASP A 74 CB - CG - OD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 173 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 227 NE - CZ - NH1 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 246 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG A 257 NE - CZ - NH1 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 PRO A 3 -96.57 -30.94 REMARK 500 ASP A 4 91.68 30.42 REMARK 500 LYS A 57 -60.28 -121.42 REMARK 500 SER A 65 -169.08 -167.45 REMARK 500 ASN A 178 65.81 39.61 REMARK 500 ASN A 244 40.64 -152.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 SER A 2 PRO A 3 -89.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 ZINC ZN(II) IS THE CATALYTICALLY ESSENTIALL ZINC ION. 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 261 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 108.0 REMARK 620 3 HIS A 119 ND1 112.3 103.9 REMARK 620 4 MZM A 262 N1 116.2 106.1 109.5 REMARK 620 N 1 2 3 REMARK 700 REMARK 700 SHEET REMARK 700 SHEET B1 OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REMARK 700 REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS *B1A* AND *B1B* ARE DEFINED. STRANDS 5, 6, 7, REMARK 700 8, 9, AND 10 OF B1A ARE IDENTICAL TO STRANDS 2, 3, 4, 5, 6, REMARK 700 AND 7 OF B1B, RESPECTIVELY. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 261 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MZM A 262 DBREF 1BZM A 1 260 UNP P00915 CAH1_HUMAN 1 260 SEQRES 1 A 260 ALA SER PRO ASP TRP GLY TYR ASP ASP LYS ASN GLY PRO SEQRES 2 A 260 GLU GLN TRP SER LYS LEU TYR PRO ILE ALA ASN GLY ASN SEQRES 3 A 260 ASN GLN SER PRO VAL ASP ILE LYS THR SER GLU THR LYS SEQRES 4 A 260 HIS ASP THR SER LEU LYS PRO ILE SER VAL SER TYR ASN SEQRES 5 A 260 PRO ALA THR ALA LYS GLU ILE ILE ASN VAL GLY HIS SER SEQRES 6 A 260 PHE HIS VAL ASN PHE GLU ASP ASN ASP ASN ARG SER VAL SEQRES 7 A 260 LEU LYS GLY GLY PRO PHE SER ASP SER TYR ARG LEU PHE SEQRES 8 A 260 GLN PHE HIS PHE HIS TRP GLY SER THR ASN GLU HIS GLY SEQRES 9 A 260 SER GLU HIS THR VAL ASP GLY VAL LYS TYR SER ALA GLU SEQRES 10 A 260 LEU HIS VAL ALA HIS TRP ASN SER ALA LYS TYR SER SER SEQRES 11 A 260 LEU ALA GLU ALA ALA SER LYS ALA ASP GLY LEU ALA VAL SEQRES 12 A 260 ILE GLY VAL LEU MET LYS VAL GLY GLU ALA ASN PRO LYS SEQRES 13 A 260 LEU GLN LYS VAL LEU ASP ALA LEU GLN ALA ILE LYS THR SEQRES 14 A 260 LYS GLY LYS ARG ALA PRO PHE THR ASN PHE ASP PRO SER SEQRES 15 A 260 THR LEU LEU PRO SER SER LEU ASP PHE TRP THR TYR PRO SEQRES 16 A 260 GLY SER LEU THR HIS PRO PRO LEU TYR GLU SER VAL THR SEQRES 17 A 260 TRP ILE ILE CYS LYS GLU SER ILE SER VAL SER SER GLU SEQRES 18 A 260 GLN LEU ALA GLN PHE ARG SER LEU LEU SER ASN VAL GLU SEQRES 19 A 260 GLY ASP ASN ALA VAL PRO MET GLN HIS ASN ASN ARG PRO SEQRES 20 A 260 THR GLN PRO LEU LYS GLY ARG THR VAL ARG ALA SER PHE HET ZN A 261 1 HET MZM A 262 14 HETNAM ZN ZINC ION HETNAM MZM N-(3-METHYL-5-SULFAMOYL-1,3,4-THIADIAZOL-2(3H)- HETNAM 2 MZM YLIDENE)ACETAMIDE HETSYN MZM METHAZOLAMIDE FORMUL 2 ZN ZN 2+ FORMUL 3 MZM C5 H8 N4 O3 S2 FORMUL 4 HOH *182(H2 O) HELIX 1 HA GLN A 15 LEU A 19 5CONTIGUOUS WITH HELIX B 5 HELIX 2 HB PRO A 21 ASN A 24 5CONTIGUOUS WITH HELIX A 4 HELIX 3 HC THR A 35 GLU A 37 5 3 HELIX 4 HD PRO A 53 THR A 55 5 3 HELIX 5 HE LEU A 131 ALA A 134 1 4 HELIX 6 HF PRO A 155 LEU A 157 5CONTIGUOUS WITH HELIX G 3 HELIX 7 HG GLN A 158 ALA A 163 1CONTIGUOUS WITH HELICES F & H 6 HELIX 8 HH LEU A 164 ILE A 167 5CONTIGUOUS WITH HELIX G 4 HELIX 9 HI PRO A 181 LEU A 184 5 4 HELIX 10 HJ SER A 220 PHE A 226 1 7 SHEET 1 B1A10 LYS A 39 HIS A 40 0 SHEET 2 B1A10 ARG A 257 ALA A 258 1 SHEET 3 B1A10 PHE A 191 GLY A 196 -1 SHEET 4 B1A10 VAL A 207 CYS A 212 -1 SHEET 5 B1A10 LEU A 141 VAL A 150 1 SHEET 6 B1A10 ALA A 116 ASN A 124 -1 SHEET 7 B1A10 TYR A 88 TRP A 97 -1 SHEET 8 B1A10 PHE A 66 PHE A 70 -1 SHEET 9 B1A10 ALA A 56 ASN A 61 -1 SHEET 10 B1A10 ARG A 173 PHE A 176 -1 SHEET 1 B1B 7 ILE A 216 VAL A 218 0 SHEET 2 B1B 7 LEU A 141 VAL A 150 1 SHEET 3 B1B 7 ALA A 116 ASN A 124 -1 SHEET 4 B1B 7 TYR A 88 TRP A 97 -1 SHEET 5 B1B 7 PHE A 66 PHE A 70 -1 SHEET 6 B1B 7 ALA A 56 ASN A 61 -1 SHEET 7 B1B 7 ARG A 173 PHE A 176 -1 SHEET 1 B2 3 ILE A 47 SER A 50 0 SHEET 2 B2 3 VAL A 78 GLY A 81 -1 SHEET 3 B2 3 TYR A 88 TRP A 97 -1 LINK NE2 HIS A 94 ZN ZN A 261 1555 1555 1.97 LINK NE2 HIS A 96 ZN ZN A 261 1555 1555 2.22 LINK ND1 HIS A 119 ZN ZN A 261 1555 1555 2.06 LINK ZN ZN A 261 N1 MZM A 262 1555 1555 1.99 CISPEP 1 SER A 29 PRO A 30 0 -1.50 CISPEP 2 PRO A 201 PRO A 202 0 5.25 SITE 1 CAT 24 TYR A 7 VAL A 62 HIS A 64 SER A 65 SITE 2 CAT 24 HIS A 67 ASN A 69 GLN A 92 GLU A 106 SITE 3 CAT 24 GLU A 117 THR A 199 HIS A 200 PHE A 91 SITE 4 CAT 24 ALA A 121 LEU A 131 ALA A 135 LEU A 141 SITE 5 CAT 24 VAL A 143 LEU A 198 PRO A 201 PRO A 202 SITE 6 CAT 24 TYR A 204 SER A 206 VAL A 207 TRP A 209 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 MZM A 262 SITE 1 AC2 10 PHE A 91 HIS A 94 HIS A 96 HIS A 119 SITE 2 AC2 10 LEU A 198 THR A 199 HIS A 200 PRO A 201 SITE 3 AC2 10 TRP A 209 ZN A 261 CRYST1 81.850 75.310 37.760 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 0.012217 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013278 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026483 0.00000