HEADER HYDROLASE 23-JAN-04 1S6B TITLE X-RAY CRYSTAL STRUCTURE OF A COMPLEX FORMED BETWEEN TWO HOMOLOGOUS TITLE 2 ISOFORMS OF PHOSPHOLIPASE A2 FROM NAJA NAJA SAGITTIFERA: PRINCIPLE OF TITLE 3 MOLECULAR ASSOCIATION AND INACTIVATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2 ISOFORM 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHOLIPASE A2, PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 5 EC: 3.1.1.4; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PHOSPHOLIPASE A2 ISOFORM 2; COMPND 8 CHAIN: B; COMPND 9 SYNONYM: PHOSPHOLIPASE A2, PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 10 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NAJA SAGITTIFERA; SOURCE 3 ORGANISM_TAXID: 195058; SOURCE 4 SECRETION: VENOM; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: NAJA SAGITTIFERA; SOURCE 7 ORGANISM_TAXID: 195058; SOURCE 8 SECRETION: VENOM KEYWDS PHOSPHOLIPASE A2, MOLECULAR CONFORMATION, ENZYME ACTIVITY, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.JABEEN,S.SHARMA,R.K.SINGH,P.KAUR,T.P.SINGH REVDAT 5 25-OCT-23 1S6B 1 REMARK LINK REVDAT 4 07-FEB-18 1S6B 1 REMARK REVDAT 3 24-FEB-09 1S6B 1 VERSN REVDAT 2 17-MAY-05 1S6B 1 JRNL REVDAT 1 10-FEB-04 1S6B 0 SPRSDE 10-FEB-04 1S6B 1LFJ JRNL AUTH T.JABEEN,S.SHARMA,N.SINGH,R.K.SINGH,P.KAUR,M.PERBANDT, JRNL AUTH 2 C.H.BETZEL,A.SRINIVASAN,T.P.SINGH JRNL TITL CRYSTAL STRUCTURE OF A CALCIUM-INDUCED DIMER OF TWO ISOFORMS JRNL TITL 2 OF COBRA PHOSPHOLIPASE A2 AT 1.6 A RESOLUTION. JRNL REF PROTEINS V. 59 856 2005 JRNL REFN ISSN 0887-3585 JRNL PMID 15828003 JRNL DOI 10.1002/PROT.20464 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.K.SINGH,S.SHARMA,T.JABEEN,P.KAUR,T.P.SINGH REMARK 1 TITL CRYSTAL STRUCTURE OF AN ACIDIC PHOSPHOLIPASE A2 FROM NAJA REMARK 1 TITL 2 NAJA SAGITTIFERA AT 1.5 A RESOLUTION REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 27946 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 + TEST SET) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 0.025 REMARK 3 FREE R VALUE TEST SET COUNT : 730 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1837 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 354 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.80 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.012 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.033 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL 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) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL 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: USED CONJUGATE DIRECTION METHOD REMARK 4 REMARK 4 1S6B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000021421. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-SEP-01 REMARK 200 TEMPERATURE (KELVIN) : 200.0 REMARK 200 PH : 6.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.80200 REMARK 200 MONOCHROMATOR : MIRROR REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27946 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 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 (%) : 98.6 REMARK 200 DATA REDUNDANCY : 17.90 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04300 REMARK 200 FOR THE DATA SET : 26.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.68 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.32900 REMARK 200 FOR SHELL : 3.020 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: PDB ENTRY 1PSH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CALCIUM CHLORIDE, TRIS, PH 6.00, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 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 28.55850 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 14.27925 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 42.83775 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11380 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 LYS A 15 C ARG A 17 N 0.169 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 A 15 O - C - N ANGL. DEV. = -12.2 DEGREES REMARK 500 ARG A 43 CD - NE - CZ ANGL. DEV. = 12.4 DEGREES REMARK 500 ARG A 43 NE - CZ - NH1 ANGL. DEV. = 8.3 DEGREES REMARK 500 ARG A 43 NE - CZ - NH2 ANGL. DEV. = -7.9 DEGREES REMARK 500 LYS A 73 CD - CE - NZ ANGL. DEV. = 19.6 DEGREES REMARK 500 ARG A 118 CD - NE - CZ ANGL. DEV. = 9.3 DEGREES REMARK 500 ARG A 118 NE - CZ - NH1 ANGL. DEV. = 7.5 DEGREES REMARK 500 ARG A 118 NE - CZ - NH2 ANGL. DEV. = -7.6 DEGREES REMARK 500 ARG B 2 CD - NE - CZ ANGL. DEV. = 9.1 DEGREES REMARK 500 ARG B 2 NE - CZ - NH1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG B 2 NE - CZ - NH2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ASP B 49 N - CA - CB ANGL. DEV. = 10.8 DEGREES REMARK 500 ARG B 82 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG B 118 CD - NE - CZ ANGL. DEV. = 10.8 DEGREES REMARK 500 ARG B 118 NE - CZ - NH1 ANGL. DEV. = 7.6 DEGREES REMARK 500 ARG B 118 NE - CZ - NH2 ANGL. DEV. = -7.9 DEGREES REMARK 500 ASN B 120 N - CA - CB ANGL. DEV. = 17.1 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 ASP A 24 40.76 -140.12 REMARK 500 ALA A 74 -23.17 69.37 REMARK 500 ASP B 24 83.03 -161.98 REMARK 500 ARG B 82 47.47 -89.73 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 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 24 OD1 REMARK 620 2 ASP A 24 OD2 49.3 REMARK 620 3 ASN A 112 OD1 117.2 75.8 REMARK 620 4 HOH A 537 O 71.2 96.2 90.2 REMARK 620 5 ASP B 24 OD2 90.3 131.3 151.9 93.4 REMARK 620 6 ASN B 112 OD1 150.8 147.9 72.2 81.6 80.7 REMARK 620 7 HOH B 715 O 108.5 85.6 92.5 177.0 83.6 98.1 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR B 28 O REMARK 620 2 GLY B 30 O 86.0 REMARK 620 3 GLY B 32 O 90.1 77.2 REMARK 620 4 ASP B 49 OD1 116.2 140.2 131.2 REMARK 620 5 ASP B 49 OD2 106.1 156.3 82.4 52.1 REMARK 620 6 PO4 B 501 O3 77.3 70.3 145.8 82.4 131.6 REMARK 620 7 HOH B 627 O 170.3 87.6 95.8 65.2 82.5 93.5 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 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 602 DBREF 1S6B A 1 120 UNP P60043 PA21B_NAJSG 8 126 DBREF 1S6B B 1 120 UNP P60044 PA22_NAJSG 8 126 SEQRES 1 A 119 ASN THR TYR GLN PHE LYS ASN MET ILE GLN CYS THR VAL SEQRES 2 A 119 PRO LYS ARG SER TRP TRP ASP PHE ALA ASP TYR GLY CYS SEQRES 3 A 119 TYR CYS GLY ARG GLY GLY SER GLY THR PRO ILE ASP ASP SEQRES 4 A 119 LEU ASP ARG CYS CYS GLN VAL HIS ASP ASN CYS TYR ASN SEQRES 5 A 119 SER ALA ARG GLU GLN GLY GLY CYS ARG PRO LYS GLN LYS SEQRES 6 A 119 THR TYR SER TYR GLU CYS LYS ALA GLY THR LEU SER CYS SEQRES 7 A 119 SER GLY SER ASN ASN SER CYS ALA ALA THR VAL CYS ASP SEQRES 8 A 119 CYS ASP ARG LEU ALA ALA ILE CYS PHE ALA GLY ALA PRO SEQRES 9 A 119 TYR ASN ASP ASN ASN TYR ASN ILE ASP LEU LYS ALA ARG SEQRES 10 A 119 CYS GLN SEQRES 1 B 119 ASN ARG TRP GLN PHE LYS ASN MET ILE SER CYS THR VAL SEQRES 2 B 119 PRO SER ARG SER TRP TRP ASP PHE ALA ASP TYR GLY CYS SEQRES 3 B 119 TYR CYS GLY ARG GLY GLY SER GLY THR PRO VAL ASP ASP SEQRES 4 B 119 LEU ASP ARG CYS CYS GLN VAL HIS ASP ASN CYS TYR ASN SEQRES 5 B 119 GLU ALA GLU LYS ILE SER GLY CYS ASN PRO ARG PHE ARG SEQRES 6 B 119 THR TYR SER TYR GLU CYS THR ALA GLY THR LEU THR CYS SEQRES 7 B 119 THR GLY ARG ASN ASN ALA CYS ALA ALA SER VAL CYS ASP SEQRES 8 B 119 CYS ASP ARG LEU ALA ALA ILE CYS PHE ALA GLY ALA PRO SEQRES 9 B 119 TYR ASN ASP ASN ASN TYR ASN ILE ASP LEU GLN ALA ARG SEQRES 10 B 119 CYS ASN HET CA A 401 1 HET PO4 A 502 5 HET CA B 402 1 HET PO4 B 501 5 HET ACY B 601 4 HET ACY B 602 4 HETNAM CA CALCIUM ION HETNAM PO4 PHOSPHATE ION HETNAM ACY ACETIC ACID FORMUL 3 CA 2(CA 2+) FORMUL 4 PO4 2(O4 P 3-) FORMUL 7 ACY 2(C2 H4 O2) FORMUL 9 HOH *354(H2 O) HELIX 1 1 ASN A 1 VAL A 13 1 13 HELIX 2 2 TRP A 19 ASP A 24 1 6 HELIX 3 3 ASP A 39 ARG A 56 1 18 HELIX 4 4 ASN A 84 ALA A 104 1 21 HELIX 5 5 ASN A 107 TYR A 111 5 5 HELIX 6 6 ASP A 114 CYS A 119 1 6 HELIX 7 7 ASN B 1 VAL B 13 1 13 HELIX 8 8 SER B 18 ALA B 23 5 6 HELIX 9 9 ASP B 39 GLU B 56 1 18 HELIX 10 10 ASN B 84 ALA B 104 1 21 HELIX 11 11 ASN B 107 TYR B 111 5 5 HELIX 12 12 ASP B 114 CYS B 119 1 6 SHEET 1 A 2 TYR A 70 LYS A 73 0 SHEET 2 A 2 THR A 76 CYS A 79 -1 O THR A 76 N LYS A 73 SHEET 1 B 2 TYR B 70 THR B 73 0 SHEET 2 B 2 THR B 76 CYS B 79 -1 O THR B 76 N THR B 73 SSBOND 1 CYS A 11 CYS A 72 1555 1555 2.03 SSBOND 2 CYS A 27 CYS A 119 1555 1555 2.03 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 44 CYS A 100 1555 1555 2.02 SSBOND 5 CYS A 51 CYS A 93 1555 1555 2.00 SSBOND 6 CYS A 61 CYS A 86 1555 1555 2.04 SSBOND 7 CYS A 79 CYS A 91 1555 1555 2.03 SSBOND 8 CYS B 11 CYS B 72 1555 1555 2.04 SSBOND 9 CYS B 27 CYS B 119 1555 1555 2.03 SSBOND 10 CYS B 29 CYS B 45 1555 1555 2.04 SSBOND 11 CYS B 44 CYS B 100 1555 1555 2.04 SSBOND 12 CYS B 51 CYS B 93 1555 1555 2.04 SSBOND 13 CYS B 61 CYS B 86 1555 1555 2.03 SSBOND 14 CYS B 79 CYS B 91 1555 1555 2.06 LINK OD1 ASP A 24 CA CA A 401 1555 1555 2.65 LINK OD2 ASP A 24 CA CA A 401 1555 1555 2.60 LINK OD1 ASN A 112 CA CA A 401 1555 1555 2.29 LINK CA CA A 401 O HOH A 537 1555 1555 2.28 LINK CA CA A 401 OD2 ASP B 24 1555 1555 2.30 LINK CA CA A 401 OD1 ASN B 112 1555 1555 2.38 LINK CA CA A 401 O HOH B 715 1555 1555 2.29 LINK O TYR B 28 CA CA B 402 1555 1555 2.45 LINK O GLY B 30 CA CA B 402 1555 1555 2.46 LINK O GLY B 32 CA CA B 402 1555 1555 2.51 LINK OD1 ASP B 49 CA CA B 402 1555 1555 2.53 LINK OD2 ASP B 49 CA CA B 402 1555 1555 2.36 LINK CA CA B 402 O3 PO4 B 501 1555 1555 2.44 LINK CA CA B 402 O HOH B 627 1555 1555 2.35 SITE 1 AC1 6 ASP A 24 ASN A 112 HOH A 537 ASP B 24 SITE 2 AC1 6 ASN B 112 HOH B 715 SITE 1 AC2 6 TYR B 28 GLY B 30 GLY B 32 ASP B 49 SITE 2 AC2 6 PO4 B 501 HOH B 627 SITE 1 AC3 10 TYR B 28 CYS B 29 GLY B 30 CYS B 45 SITE 2 AC3 10 HIS B 48 ASP B 49 CA B 402 HOH B 673 SITE 3 AC3 10 HOH B 697 HOH B 799 SITE 1 AC4 6 ASN A 1 TYR A 3 GLN A 65 HOH A 606 SITE 2 AC4 6 ASN B 109 HOH B 731 SITE 1 AC5 3 GLY B 32 HOH B 674 HOH B 745 SITE 1 AC6 5 HOH B 634 HOH B 702 HOH B 718 HOH B 775 SITE 2 AC6 5 HOH B 784 CRYST1 64.537 64.537 57.117 90.00 90.00 90.00 P 41 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 0.015495 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015495 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017508 0.00000