HEADER HYDROLASE 24-APR-98 1KVW TITLE CARBOXYLIC ESTER HYDROLASE, SINGLE MUTANT H48Q OF BOVINE PANCREATIC TITLE 2 PLA2 ENZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.1.4; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 CELL_LINE: BL21; SOURCE 6 ORGAN: PANCREAS; SOURCE 7 GENE: MATURE PLA2; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) PLYSS; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PTO-A2MBL21; SOURCE 12 EXPRESSION_SYSTEM_GENE: MATURE PLA2 KEYWDS HYDROLASE, ENZYME, CARBOXYLIC ESTER HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR M.SUNDARALINGAM REVDAT 8 30-OCT-24 1KVW 1 REMARK REVDAT 7 09-AUG-23 1KVW 1 REMARK REVDAT 6 03-NOV-21 1KVW 1 REMARK SEQADV LINK REVDAT 5 11-APR-18 1KVW 1 REMARK REVDAT 4 04-APR-18 1KVW 1 REMARK REVDAT 3 24-FEB-09 1KVW 1 VERSN REVDAT 2 01-APR-03 1KVW 1 JRNL REVDAT 1 18-NOV-98 1KVW 0 JRNL AUTH K.SEKAR,R.BISWAS,Y.LI,M.TSAI,M.SUNDARALINGAM JRNL TITL STRUCTURES OF THE CATALYTIC SITE MUTANTS D99A AND H48Q AND JRNL TITL 2 THE CALCIUM-LOOP MUTANT D49E OF PHOSPHOLIPASE A2. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 55 443 1999 JRNL REFN ISSN 0907-4449 JRNL PMID 10089353 JRNL DOI 10.1107/S0907444998013699 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.SEKAR,M.SUNDARALINGAM REMARK 1 TITL THE HIGH RESOLUTION REFINEMENT OF THE ORTHORHOMBIC BOVINE REMARK 1 TITL 2 PANCREATIC PHOSPHOLIPASE A2 REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH K.SEKAR,A.KUMAR,X.LIU,M.D.TSAI,M.H.GELB,M.SUNDARALINGAM REMARK 1 TITL STRUCTURE OF THE COMPLEX OF BOVINE PANCREATIC PHOSPHOLIPASE REMARK 1 TITL 2 A2 WITH A TRANSITION-STATE ANALOGUE REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 54 334 1998 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 3 REMARK 1 AUTH K.SEKAR,C.SEKHARUDU,M.TSAI,M.SUNDARALINGAM REMARK 1 TITL 1.72 A RESOLUTION REFINEMENT OF THE TRIGONAL FORM OF BOVINE REMARK 1 TITL 2 PANCREATIC PHOSPHOLIPASE A2 REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 54 342 1998 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 4 REMARK 1 AUTH K.SEKAR,S.ESWARAMOORTHY,M.K.JAIN,M.SUNDARALINGAM REMARK 1 TITL CRYSTAL STRUCTURE OF THE COMPLEX OF BOVINE PANCREATIC REMARK 1 TITL 2 PHOSPHOLIPASE A2 WITH THE INHIBITOR REMARK 1 TITL 3 1-HEXADECYL-3-(TRIFLUOROETHYL)-SN-GLYCERO-2-PHOSPHOMETHANOL REMARK 1 REF BIOCHEMISTRY V. 36 14186 1997 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH K.SEKAR,B.Z.YU,J.ROGERS,J.LUTTON,X.LIU,X.CHEN,M.D.TSAI, REMARK 1 AUTH 2 M.K.JAIN,M.SUNDARALINGAM REMARK 1 TITL PHOSPHOLIPASE A2 ENGINEERING. STRUCTURAL AND FUNCTIONAL REMARK 1 TITL 2 ROLES OF THE HIGHLY CONSERVED ACTIVE SITE RESIDUE REMARK 1 TITL 3 ASPARTATE-99 REMARK 1 REF BIOCHEMISTRY V. 36 3104 1997 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 6 REMARK 1 AUTH B.HUANG,B.Z.YU,J.ROGERS,I.J.BYEON,K.SEKAR,X.CHEN, REMARK 1 AUTH 2 M.SUNDARALINGAM,M.D.TSAI,M.K.JAIN REMARK 1 TITL PHOSPHOLIPASE A2 ENGINEERING. DELETION OF THE C-TERMINUS REMARK 1 TITL 2 SEGMENT CHANGES SUBSTRATE SPECIFICITY AND UNCOUPLES CALCIUM REMARK 1 TITL 3 AND SUBSTRATE BINDING AT THE ZWITTERIONIC INTERFACE REMARK 1 REF BIOCHEMISTRY V. 35 12164 1996 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 7 REMARK 1 AUTH J.P.NOEL,C.A.BINGMAN,T.L.DENG,C.M.DUPUREUR,K.J.HAMILTON, REMARK 1 AUTH 2 R.T.JIANG,J.G.KWAK,C.SEKHARUDU,M.SUNDARALINGAM,M.D.TSAI REMARK 1 TITL PHOSPHOLIPASE A2 ENGINEERING. X-RAY STRUCTURAL AND REMARK 1 TITL 2 FUNCTIONAL EVIDENCE FOR THE INTERACTION OF LYSINE-56 WITH REMARK 1 TITL 3 SUBSTRATES REMARK 1 REF BIOCHEMISTRY V. 30 11801 1991 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 1.95 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : 74.0 REMARK 3 NUMBER OF REFLECTIONS : 7424 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : BY X-PLOR REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.314 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 347 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.04 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 50.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 568 REMARK 3 BIN R VALUE (WORKING SET) : 0.3340 REMARK 3 BIN FREE R VALUE : 0.4880 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 24 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 : 956 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 68 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) : 0.20 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.910 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.700 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 [X-PLOR] REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO [X-PLOR] REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KVW 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_1000174511. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-97 REMARK 200 TEMPERATURE (KELVIN) : 291 REMARK 200 PH : 7.2 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 R-AXIS II REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS IIC REMARK 200 DATA SCALING SOFTWARE : R-AXIS II REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7424 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 73.0 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.08200 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) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 50.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.21800 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: THE COORDINATES OF THE REMARK 200 WILD TYPE (PDB ENTRY 1MKT) WERE USED AS THE STARTING MODEL FOR REMARK 200 REFINEMENT. REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: RECOMBINANT PLA2 (1MKT) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS WERE GROWN BY THE VAPOR REMARK 280 DIFFUSION METHOD USING THE CONDITIONS 5 (MICRO)L OF THE MUTANT REMARK 280 PROTEIN (15MG/ML OF THE PROTEIN), 5MM CACL2, 50MM TRIS BUFFER, REMARK 280 PH 7.2 AND 2 (MICRO)L OF 40% MPD AND (60%) OF MPD IN THE REMARK 280 RESERVOIR, VAPOR DIFFUSION REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.29333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 68.58667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 68.58667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 34.29333 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 CB ALA A 1 O TYR A 69 2.11 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 ALA A 1 CB - CA - C ANGL. DEV. = 11.2 DEGREES REMARK 500 LEU A 2 O - C - N ANGL. DEV. = -12.5 DEGREES REMARK 500 PRO A 14 C - N - CA ANGL. DEV. = 9.1 DEGREES REMARK 500 ASN A 71 CB - CA - C ANGL. DEV. = -14.3 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 LEU A 2 -75.01 -26.21 REMARK 500 ASN A 24 70.94 49.15 REMARK 500 VAL A 63 1.38 149.65 REMARK 500 LEU A 64 75.32 -113.80 REMARK 500 ASN A 67 134.09 72.29 REMARK 500 ASN A 79 61.09 32.76 REMARK 500 LYS A 113 1.06 -65.87 REMARK 500 LYS A 120 23.87 -75.11 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 LEU A 2 17.25 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 124 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 28 O REMARK 620 2 GLY A 30 O 85.1 REMARK 620 3 GLY A 32 O 92.6 90.6 REMARK 620 4 ASP A 49 OD2 104.9 159.8 71.7 REMARK 620 5 ASP A 49 OD1 99.4 146.3 122.3 50.6 REMARK 620 6 HOH A 202 O 75.9 67.8 156.0 131.3 80.8 REMARK 620 7 HOH A 243 O 160.7 76.7 81.6 90.8 99.2 102.3 REMARK 620 N 1 2 3 4 5 6 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 124 DBREF 1KVW A 1 123 UNP P00593 PA21B_BOVIN 23 145 SEQADV 1KVW GLN A 48 UNP P00593 HIS 70 ENGINEERED MUTATION SEQRES 1 A 123 ALA LEU TRP GLN PHE ASN GLY MET ILE LYS CYS LYS ILE SEQRES 2 A 123 PRO SER SER GLU PRO LEU LEU ASP PHE ASN ASN TYR GLY SEQRES 3 A 123 CYS TYR CYS GLY LEU GLY GLY SER GLY THR PRO VAL ASP SEQRES 4 A 123 ASP LEU ASP ARG CYS CYS GLN THR GLN ASP ASN CYS TYR SEQRES 5 A 123 LYS GLN ALA LYS LYS LEU ASP SER CYS LYS VAL LEU VAL SEQRES 6 A 123 ASP ASN PRO TYR THR ASN ASN TYR SER TYR SER CYS SER SEQRES 7 A 123 ASN ASN GLU ILE THR CYS SER SER GLU ASN ASN ALA CYS SEQRES 8 A 123 GLU ALA PHE ILE CYS ASN CYS ASP ARG ASN ALA ALA ILE SEQRES 9 A 123 CYS PHE SER LYS VAL PRO TYR ASN LYS GLU HIS LYS ASN SEQRES 10 A 123 LEU ASP LYS LYS ASN CYS HET CA A 124 1 HETNAM CA CALCIUM ION FORMUL 2 CA CA 2+ FORMUL 3 HOH *68(H2 O) HELIX 1 1 LEU A 2 LYS A 12 1 11 HELIX 2 2 PRO A 18 ASP A 21 1 4 HELIX 3 3 ASP A 40 LYS A 57 1 18 HELIX 4 4 ASP A 59 CYS A 61 5 3 HELIX 5 5 ALA A 90 LYS A 108 1 19 SHEET 1 A 2 TYR A 75 SER A 78 0 SHEET 2 A 2 GLU A 81 CYS A 84 -1 N THR A 83 O SER A 76 SSBOND 1 CYS A 11 CYS A 77 1555 1555 2.03 SSBOND 2 CYS A 27 CYS A 123 1555 1555 2.01 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.02 SSBOND 4 CYS A 44 CYS A 105 1555 1555 2.01 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.02 SSBOND 6 CYS A 61 CYS A 91 1555 1555 2.02 SSBOND 7 CYS A 84 CYS A 96 1555 1555 2.02 LINK O TYR A 28 CA CA A 124 1555 1555 2.31 LINK O GLY A 30 CA CA A 124 1555 1555 2.40 LINK O GLY A 32 CA CA A 124 1555 1555 2.51 LINK OD2 ASP A 49 CA CA A 124 1555 1555 2.33 LINK OD1 ASP A 49 CA CA A 124 1555 1555 2.74 LINK CA CA A 124 O HOH A 202 1555 1555 2.33 LINK CA CA A 124 O HOH A 243 1555 1555 2.34 SITE 1 AC1 6 TYR A 28 GLY A 30 GLY A 32 ASP A 49 SITE 2 AC1 6 HOH A 202 HOH A 243 CRYST1 47.120 47.120 102.880 90.00 90.00 120.00 P 31 2 1 6 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 0.021222 0.012253 0.000000 0.00000 SCALE2 0.000000 0.024506 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009720 0.00000