PDB Short entry for 1N28 HEADER HYDROLASE 22-OCT-02 1N28 TITLE CRYSTAL STRUCTURE OF THE H48Q MUTANT OF HUMAN GROUP IIA PHOSPHOLIPASE TITLE 2 A2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2, MEMBRANE ASSOCIATED; COMPND 3 CHAIN: B, A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE, GROUP IIA PHOSPHOLIPASE COMPND 5 A2, GIIC SPLA2, NON-PANCREATIC SECRETORY PHOSPHOLIPASE A2, NPS-PLA2; COMPND 6 EC: 3.1.1.4; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: 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(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.H.EDWARDS,D.THOMPSON,S.F.BAKER,S.P.WOOD,D.C.WILTON REVDAT 3 27-OCT-21 1N28 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1N28 1 VERSN REVDAT 1 28-OCT-03 1N28 0 JRNL AUTH S.H.EDWARDS,D.THOMPSON,S.F.BAKER,S.P.WOOD,D.C.WILTON JRNL TITL THE CRYSTAL STRUCTURE OF THE H48Q ACTIVE SITE MUTANT OF JRNL TITL 2 HUMAN GROUP IIA SECRETED PHOSPHOLIPASE A2 AT 1.5 A JRNL TITL 3 RESOLUTION PROVIDES AN INSIGHT INTO THE CATALYTIC MECHANISM JRNL REF BIOCHEMISTRY V. 41 15468 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12501175 JRNL DOI 10.1021/BI020485Z REMARK 2 REMARK 2 RESOLUTION. 1.50 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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 : 32907 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1633 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 : 1924 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 107 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) : 2.45800 REMARK 3 B22 (A**2) : -1.11500 REMARK 3 B33 (A**2) : -1.34200 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -2.02400 REMARK 3 B23 (A**2) : 0.00000 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) : NULL 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) : 1.253 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.807 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.078 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.046 ; 2.500 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1N28 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-OCT-02. REMARK 100 THE DEPOSITION ID IS D_1000017427. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-MAY-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32907 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 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 (%) : 84.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.1 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 <I/SIGMA(I)> 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: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NACL, CACL2, PH 7.4, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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+1/2,Y+1/2,Z 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 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 59.79000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 17.21000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 59.79000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 17.21000 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: 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 GLY B 58 C CYS B 59 N 0.186 REMARK 500 PHE B 63 C LEU B 64 N -0.153 REMARK 500 SER B 113 N SER B 113 CA -0.140 REMARK 500 ASN B 114 CA ASN B 114 C -0.165 REMARK 500 ARG B 123 C CYS B 124 N 0.266 REMARK 500 HIS A 27 C CYS A 28 N 0.271 REMARK 500 CYS A 28 N CYS A 28 CA -0.211 REMARK 500 HIS A 116 CG HIS A 116 CD2 0.085 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 LYS B 56 CA - CB - CG ANGL. DEV. = -17.6 DEGREES REMARK 500 LYS B 56 CB - CG - CD ANGL. DEV. = -16.5 DEGREES REMARK 500 ASP B 81 CB - CG - OD1 ANGL. DEV. = 15.9 DEGREES REMARK 500 ASP B 81 CB - CG - OD2 ANGL. DEV. = -17.2 DEGREES REMARK 500 SER B 113 O - C - N ANGL. DEV. = -17.0 DEGREES REMARK 500 ASN B 114 N - CA - C ANGL. DEV. = 18.5 DEGREES REMARK 500 THR B 121 O - C - N ANGL. DEV. = -18.2 DEGREES REMARK 500 PRO B 122 O - C - N ANGL. DEV. = 12.7 DEGREES REMARK 500 ARG B 123 CA - C - N ANGL. DEV. = -29.9 DEGREES REMARK 500 ARG B 123 O - C - N ANGL. DEV. = 27.5 DEGREES REMARK 500 CYS B 124 C - N - CA ANGL. DEV. = -20.8 DEGREES REMARK 500 ARG A 7 O - C - N ANGL. DEV. = -15.2 DEGREES REMARK 500 CYS A 28 N - CA - C ANGL. DEV. = 20.9 DEGREES REMARK 500 GLN A 80 O - C - N ANGL. DEV. = 11.4 DEGREES REMARK 500 ARG A 118 CD - NE - CZ ANGL. DEV. = -11.5 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 LYS B 62 -71.12 -76.88 REMARK 500 TYR B 111 56.11 -118.58 REMARK 500 ASN B 114 -19.80 -41.15 REMARK 500 ARG B 123 129.96 52.62 REMARK 500 THR A 61 -69.87 -137.34 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 GLY B 58 -11.29 REMARK 500 SER B 113 -12.34 REMARK 500 THR B 121 -18.33 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 B 127 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PHE B 23 O REMARK 620 2 GLY B 25 O 93.6 REMARK 620 3 TYR B 112 O 89.3 99.9 REMARK 620 4 ASN B 114 OD1 178.8 86.2 89.6 REMARK 620 5 HOH B 171 O 77.4 83.3 166.5 103.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 125 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 27 O REMARK 620 2 GLY B 29 O 98.2 REMARK 620 3 GLY B 31 O 84.4 97.3 REMARK 620 4 ASP B 48 OD1 127.4 124.7 114.7 REMARK 620 5 ASP B 48 OD2 95.5 164.8 77.6 48.4 REMARK 620 6 HOH B 161 O 83.0 110.6 150.8 56.0 77.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 128 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PHE A 23 O REMARK 620 2 GLY A 25 O 103.0 REMARK 620 3 TYR A 112 O 95.3 102.8 REMARK 620 4 ASN A 114 ND2 170.0 85.0 88.8 REMARK 620 5 HOH A 165 O 85.8 83.6 173.0 89.0 REMARK 620 6 HOH A 166 O 89.8 159.2 92.2 80.9 80.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 126 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 27 O REMARK 620 2 GLY A 29 O 107.8 REMARK 620 3 GLY A 31 O 79.7 94.0 REMARK 620 4 ASP A 48 OD1 130.3 108.1 129.9 REMARK 620 5 ASP A 48 OD2 98.9 153.1 94.1 48.6 REMARK 620 6 HOH A 140 O 89.0 88.7 168.7 58.9 88.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 126 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 127 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 128 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1N29 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE N1A MUTANT OF HUMAN GROUP IIA REMARK 900 PHOSPHOLIPASE A2 REMARK 999 REMARK 999 SEQUENCE REMARK 999 AUTHORS INFORMED THAT ALTHOUGH THE ACTUAL POSITION OF REMARK 999 MUTATION H48Q IS AT RESIDUE 47, THE HISTIDINE RESIDUE IS REMARK 999 GENERALLY REFERRED TO AS HIS-48, AS THIS IS ITS POSITION REMARK 999 ACCORDING TO THE STANDARD PANCREATIC ENZYME NUMBERING. DBREF 1N28 B 1 124 UNP P14555 PA2GA_HUMAN 21 144 DBREF 1N28 A 1 124 UNP P14555 PA2GA_HUMAN 21 144 SEQADV 1N28 ALA B 1 UNP P14555 ASN 21 ENGINEERED MUTATION SEQADV 1N28 GLN B 47 UNP P14555 HIS 67 ENGINEERED MUTATION SEQADV 1N28 ALA A 1 UNP P14555 ASN 21 ENGINEERED MUTATION SEQADV 1N28 GLN A 47 UNP P14555 HIS 67 ENGINEERED MUTATION SEQRES 1 B 124 ALA LEU VAL ASN PHE HIS ARG MET ILE LYS LEU THR THR SEQRES 2 B 124 GLY LYS GLU ALA ALA LEU SER TYR GLY PHE TYR GLY CYS SEQRES 3 B 124 HIS CYS GLY VAL GLY GLY ARG GLY SER PRO LYS ASP ALA SEQRES 4 B 124 THR ASP ARG CYS CYS VAL THR GLN ASP CYS CYS TYR LYS SEQRES 5 B 124 ARG LEU GLU LYS ARG GLY CYS GLY THR LYS PHE LEU SER SEQRES 6 B 124 TYR LYS PHE SER ASN SER GLY SER ARG ILE THR CYS ALA SEQRES 7 B 124 LYS GLN ASP SER CYS ARG SER GLN LEU CYS GLU CYS ASP SEQRES 8 B 124 LYS ALA ALA ALA THR CYS PHE ALA ARG ASN LYS THR THR SEQRES 9 B 124 TYR ASN LYS LYS TYR GLN TYR TYR SER ASN LYS HIS CYS SEQRES 10 B 124 ARG GLY SER THR PRO ARG CYS SEQRES 1 A 124 ALA LEU VAL ASN PHE HIS ARG MET ILE LYS LEU THR THR SEQRES 2 A 124 GLY LYS GLU ALA ALA LEU SER TYR GLY PHE TYR GLY CYS SEQRES 3 A 124 HIS CYS GLY VAL GLY GLY ARG GLY SER PRO LYS ASP ALA SEQRES 4 A 124 THR ASP ARG CYS CYS VAL THR GLN ASP CYS CYS TYR LYS SEQRES 5 A 124 ARG LEU GLU LYS ARG GLY CYS GLY THR LYS PHE LEU SER SEQRES 6 A 124 TYR LYS PHE SER ASN SER GLY SER ARG ILE THR CYS ALA SEQRES 7 A 124 LYS GLN ASP SER CYS ARG SER GLN LEU CYS GLU CYS ASP SEQRES 8 A 124 LYS ALA ALA ALA THR CYS PHE ALA ARG ASN LYS THR THR SEQRES 9 A 124 TYR ASN LYS LYS TYR GLN TYR TYR SER ASN LYS HIS CYS SEQRES 10 A 124 ARG GLY SER THR PRO ARG CYS HET CA B 125 1 HET CA B 127 1 HET CA A 126 1 HET CA A 128 1 HETNAM CA CALCIUM ION FORMUL 3 CA 4(CA 2+) FORMUL 7 HOH *107(H2 O) HELIX 1 2 GLU B 16 GLY B 22 1 7 HELIX 2 3 ASP B 38 ARG B 57 1 20 HELIX 3 4 ASP B 81 ASN B 101 1 21 HELIX 4 5 LYS B 102 TYR B 105 5 4 HELIX 5 6 ASN B 106 GLN B 110 5 5 HELIX 6 7 SER B 113 CYS B 117 5 5 HELIX 7 9 GLU A 16 GLY A 22 1 7 HELIX 8 10 ASP A 38 ARG A 57 1 20 HELIX 9 11 ASP A 81 ASN A 101 1 21 HELIX 10 12 LYS A 102 TYR A 105 5 4 HELIX 11 13 ASN A 106 GLN A 110 5 5 HELIX 12 14 SER A 113 CYS A 117 5 5 SHEET 1 A 2 PHE B 68 SER B 71 0 SHEET 2 A 2 ARG B 74 CYS B 77 -1 O THR B 76 N SER B 69 SHEET 1 B 2 PHE A 68 SER A 69 0 SHEET 2 B 2 THR A 76 CYS A 77 -1 O THR A 76 N SER A 69 SSBOND 1 CYS B 26 CYS B 117 1555 1555 2.02 SSBOND 2 CYS B 28 CYS B 44 1555 1555 1.99 SSBOND 3 CYS B 43 CYS B 97 1555 1555 2.02 SSBOND 4 CYS B 49 CYS B 124 1555 1555 2.02 SSBOND 5 CYS B 50 CYS B 90 1555 1555 2.03 SSBOND 6 CYS B 59 CYS B 83 1555 1555 1.90 SSBOND 7 CYS B 77 CYS B 88 1555 1555 2.03 SSBOND 8 CYS A 26 CYS A 117 1555 1555 2.03 SSBOND 9 CYS A 28 CYS A 44 1555 1555 1.87 SSBOND 10 CYS A 43 CYS A 97 1555 1555 2.03 SSBOND 11 CYS A 49 CYS A 124 1555 1555 2.03 SSBOND 12 CYS A 50 CYS A 90 1555 1555 2.03 SSBOND 13 CYS A 59 CYS A 83 1555 1555 2.03 SSBOND 14 CYS A 77 CYS A 88 1555 1555 2.02 LINK O PHE B 23 CA CA B 127 1555 1555 2.61 LINK O GLY B 25 CA CA B 127 1555 1555 2.21 LINK O HIS B 27 CA CA B 125 1555 1555 2.22 LINK O GLY B 29 CA CA B 125 1555 1555 2.37 LINK O GLY B 31 CA CA B 125 1555 1555 2.34 LINK OD1 ASP B 48 CA CA B 125 1555 1555 2.78 LINK OD2 ASP B 48 CA CA B 125 1555 1555 2.55 LINK O TYR B 112 CA CA B 127 1555 1555 2.22 LINK OD1 ASN B 114 CA CA B 127 1555 1555 2.86 LINK CA CA B 125 O HOH B 161 1555 1555 2.48 LINK CA CA B 127 O HOH B 171 1555 1555 2.37 LINK O PHE A 23 CA CA A 128 1555 1555 2.47 LINK O GLY A 25 CA CA A 128 1555 1555 2.10 LINK O HIS A 27 CA CA A 126 1555 1555 2.24 LINK O GLY A 29 CA CA A 126 1555 1555 2.36 LINK O GLY A 31 CA CA A 126 1555 1555 2.53 LINK OD1 ASP A 48 CA CA A 126 1555 1555 2.89 LINK OD2 ASP A 48 CA CA A 126 1555 1555 2.24 LINK O TYR A 112 CA CA A 128 1555 1555 2.26 LINK ND2 ASN A 114 CA CA A 128 1555 1555 2.61 LINK CA CA A 126 O HOH A 140 1555 1555 2.53 LINK CA CA A 128 O HOH A 165 1555 1555 2.40 LINK CA CA A 128 O HOH A 166 1555 1555 2.57 SITE 1 AC1 5 HIS B 27 GLY B 29 GLY B 31 ASP B 48 SITE 2 AC1 5 HOH B 161 SITE 1 AC2 5 HIS A 27 GLY A 29 GLY A 31 ASP A 48 SITE 2 AC2 5 HOH A 140 SITE 1 AC3 5 PHE B 23 GLY B 25 TYR B 112 ASN B 114 SITE 2 AC3 5 HOH B 171 SITE 1 AC4 6 PHE A 23 GLY A 25 TYR A 112 ASN A 114 SITE 2 AC4 6 HOH A 165 HOH A 166 CRYST1 119.580 34.420 73.900 90.00 126.56 90.00 C 1 2 1 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 0.008363 0.000000 0.006202 0.00000 SCALE2 0.000000 0.029053 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016847 0.00000