2BCH - Header Asymmetric Unit

HEADER HYDROLASE 19-OCT-05 2BCH

TITLE A POSSIBLE OF SECOND CALCIUM ION IN INTERFACIAL BINDING: TITLE 2 ATOMIC AND MEDIUM RESOLUTION CRYSTAL STRUCTURES OF THE TITLE 3 QUADRUPLE MUTANT OF PHOSPHOLIPASE A2

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE, GROUP IB COMPND 5 PHOSPHOLIPASE A2; COMPND 6 EC: 3.1.1.4; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 GENE: PLA2G1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS ALPHA HELIX, BETA SHEET, CALCIUM ION AND CHLORIDE ION, KEYWDS 2 HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR K.SEKAR,M.YOGAVEL,D.VELMURUGAN,M.J.POI,Z.DAUTER,M.D.TSAI

REVDAT 2 24-FEB-09 2BCH 1 VERSN REVDAT 1 04-JUL-06 2BCH 0

JRNL AUTH K.SEKAR,M.YOGAVEL,S.P.KANAUJIA,A.SHARMA, JRNL AUTH 2 D.VELMURUGAN,M.J.POI,Z.DAUTER,M.D.TSAI JRNL TITL SUGGESTIVE EVIDENCE FOR THE INVOLVEMENT OF THE JRNL TITL 2 SECOND CALCIUM AND SURFACE LOOP IN INTERFACIAL JRNL TITL 3 BINDING: MONOCLINIC AND TRIGONAL CRYSTAL JRNL TITL 4 STRUCTURES OF A QUADRUPLE MUTANT OF PHOSPHOLIPASE JRNL TITL 5 A(2). JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 62 717 2006 JRNL REFN ISSN 0907-4449 JRNL PMID 16790927 JRNL DOI 10.1107/S0907444906014855

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.120 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.104 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.133 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 2519 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 50486 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1228 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 349 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 ANGLE DISTANCES (A) : 0.034 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2BCH COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-OCT-05. REMARK 100 THE RCSB ID CODE IS RCSB034932.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 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 : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50491 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04500 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) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.47300 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: EPMR REMARK 200 STARTING MODEL: 1UNE REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE CRYSTALLIZATION DROPLET REMARK 280 CONTAINED 5 MICRO LITRE OF PROTEIN AND 2 MIRCO LITRE OF MPD REMARK 280 (50%) AND A RESERVOIR CONTAINED 50% OF MPD., PH 7.2, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 293K

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 33.79067 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 67.58133 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 67.58133 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 33.79067 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 300 REMARK: BIOLOGICAL UNIT IS A MONOMER PRESENT IN THE ASYMMETRIC REMARK 300 UNIT

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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 237 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 354 LIES ON A SPECIAL POSITION.

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 TYR A 52 CB - CG - CD1 ANGL. DEV. = 3.8 DEGREES REMARK 500 LEU A 64 CA - CB - CG ANGL. DEV. = 16.8 DEGREES REMARK 500 ASP A 66 CB - CG - OD2 ANGL. DEV. = 6.4 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 66 36.01 -71.49 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 326 DISTANCE = 9.28 ANGSTROMS REMARK 525 HOH A 350 DISTANCE = 6.75 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 CA A 124 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 30 O REMARK 620 2 GLY A 30 O 17.5 REMARK 620 3 HOH A 231 O 57.9 75.1 REMARK 620 4 HOH A 297 O 82.5 84.0 90.5 REMARK 620 5 GLY A 32 O 97.8 80.4 155.1 91.7 REMARK 620 6 GLY A 32 O 92.2 74.7 148.7 94.6 6.7 REMARK 620 7 TYR A 28 O 89.7 90.6 79.7 169.8 96.0 92.3 REMARK 620 8 ASP A 49 OD1 127.5 143.4 75.4 74.9 129.0 135.7 105.1 REMARK 620 9 ASP A 49 OD2 173.3 159.5 124.9 91.2 79.9 85.9 96.8 52.2 REMARK 620 N 1 2 3 4 5 6 7 8

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 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 126 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 127 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 128 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 129 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 130 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 131

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1UNE RELATED DB: PDB REMARK 900 RELATED ID: 1VL9 RELATED DB: PDB REMARK 900 RELATED ID: 1MKT RELATED DB: PDB

DBREF 2BCH A 1 123 UNP P00593 PA21B_BOVIN 23 145

SEQADV 2BCH MET A 53 UNP P00593 LYS 75 ENGINEERED SEQADV 2BCH MET A 56 UNP P00593 LYS 78 ENGINEERED SEQADV 2BCH MET A 120 UNP P00593 LYS 142 ENGINEERED SEQADV 2BCH MET A 121 UNP P00593 LYS 143 ENGINEERED

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 HIS ASP ASN CYS TYR SEQRES 5 A 123 MET GLN ALA MET 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 MET MET ASN CYS

HET CA A 124 1 HET CL A 126 1 HET MPD A 127 24 HET MPD A 128 24 HET MPD A 129 24 HET MPD A 130 16 HET MPD A 131 8

HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL

FORMUL 2 CA CA 2+ FORMUL 3 CL CL 1- FORMUL 4 MPD 5(C6 H14 O2) FORMUL 9 HOH *228(H2 O)

HELIX 1 1 ALA A 1 ILE A 13 1 13 HELIX 2 2 GLU A 17 PHE A 22 1 6 HELIX 3 3 ASP A 39 LEU A 58 1 20 HELIX 4 4 LEU A 58 VAL A 63 1 6 HELIX 5 5 ASN A 89 LYS A 108 1 20 HELIX 6 6 ASN A 112 LYS A 116 5 5 HELIX 7 7 ASP A 119 CYS A 123 5 5

SHEET 1 A 2 TYR A 75 SER A 78 0 SHEET 2 A 2 GLU A 81 CYS A 84 -1 O THR A 83 N 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 2.02 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 44 CYS A 105 1555 1555 2.03 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.04 SSBOND 6 CYS A 61 CYS A 91 1555 1555 2.06 SSBOND 7 CYS A 84 CYS A 96 1555 1555 2.04

LINK CA CA A 124 O AGLY A 30 1555 1555 2.22 LINK CA CA A 124 O BGLY A 30 1555 1555 2.45 LINK CA CA A 124 O HOH A 231 1555 1555 2.49 LINK CA CA A 124 O HOH A 297 1555 1555 2.53 LINK CA CA A 124 O AGLY A 32 1555 1555 2.31 LINK CA CA A 124 O BGLY A 32 1555 1555 2.26 LINK CA CA A 124 O TYR A 28 1555 1555 2.38 LINK CA CA A 124 OD1 ASP A 49 1555 1555 2.52 LINK CA CA A 124 OD2 ASP A 49 1555 1555 2.46

SITE 1 AC1 6 TYR A 28 GLY A 30 GLY A 32 ASP A 49 SITE 2 AC1 6 HOH A 231 HOH A 297 SITE 1 AC2 3 LYS A 12 GLU A 81 ILE A 82 SITE 1 AC3 10 GLU A 17 LEU A 19 LEU A 20 CYS A 105 SITE 2 AC3 10 LYS A 108 HOH A 202 HOH A 280 HOH A 332 SITE 3 AC3 10 HOH A 404 HOH A 409 SITE 1 AC4 12 ILE A 13 SER A 15 ASP A 21 PHE A 94 SITE 2 AC4 12 ASN A 97 TYR A 111 MPD A 130 HOH A 219 SITE 3 AC4 12 HOH A 245 HOH A 248 HOH A 331 HOH A 352 SITE 1 AC5 13 PHE A 5 ILE A 9 PRO A 18 LEU A 19 SITE 2 AC5 13 PHE A 22 ASN A 23 GLY A 30 HIS A 48 SITE 3 AC5 13 TYR A 69 HOH A 217 HOH A 231 HOH A 342 SITE 4 AC5 13 HOH A 391 SITE 1 AC6 13 ILE A 13 PHE A 22 SER A 107 VAL A 109 SITE 2 AC6 13 MPD A 128 HOH A 212 HOH A 243 HOH A 279 SITE 3 AC6 13 HOH A 281 HOH A 352 HOH A 377 HOH A 397 SITE 4 AC6 13 HOH A 398 SITE 1 AC7 14 ASN A 24 TYR A 25 GLY A 26 CYS A 27 SITE 2 AC7 14 TYR A 28 CYS A 29 GLY A 30 LEU A 31 SITE 3 AC7 14 GLY A 32 GLY A 33 SER A 34 VAL A 65 SITE 4 AC7 14 MET A 120 HOH A 375

CRYST1 45.908 45.908 101.372 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 0.021783 0.012576 0.000000 0.00000

SCALE2 0.000000 0.025152 0.000000 0.00000

SCALE3 0.000000 0.000000 0.009865 0.00000