HEADER HYDROLASE(PHOSPHORIC DIESTER) 17-JAN-94 1STB TITLE ACCOMMODATION OF INSERTION MUTATIONS ON THE SURFACE AND IN THE TITLE 2 INTERIOR OF STAPHYLOCOCCAL NUCLEASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: STAPHYLOCOCCAL NUCLEASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.31.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280 KEYWDS HYDROLASE(PHOSPHORIC DIESTER) EXPDTA X-RAY DIFFRACTION AUTHOR S.QUIRK,A.GITTIS,L.J.KEEFE,E.E.LATTMAN REVDAT 6 14-FEB-24 1STB 1 REMARK SEQADV LINK REVDAT 5 14-AUG-19 1STB 1 REMARK REVDAT 4 17-JUL-19 1STB 1 REMARK REVDAT 3 29-NOV-17 1STB 1 HELIX REVDAT 2 24-FEB-09 1STB 1 VERSN REVDAT 1 31-JUL-94 1STB 0 JRNL AUTH L.J.KEEFE,S.QUIRK,A.GITTIS,J.SONDEK,E.E.LATTMAN JRNL TITL ACCOMMODATION OF INSERTION MUTATIONS ON THE SURFACE AND IN JRNL TITL 2 THE INTERIOR OF STAPHYLOCOCCAL NUCLEASE. JRNL REF PROTEIN SCI. V. 3 391 1994 JRNL REFN ISSN 0961-8368 JRNL PMID 8019410 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.J.KEEFE,J.SONDEK,D.SHORTLE,E.E.LATTMAN REMARK 1 TITL THE ALPHA ANEURISM: A STRUCTURAL MOTIF REVEALED IN AN REMARK 1 TITL 2 INSERTION MUTANT OF STAPHYLOCOCCAL NUCLEASE REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 90 3275 1993 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 6906 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) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.196 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 : 1099 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 39 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) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; 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: NULL REMARK 4 REMARK 4 1STB 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_1000176502. 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 31.57500 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 15.78750 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 47.36250 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 INSERTED LEUCINE RESIDUE IS ACCOMMODATED IN A REGISTER REMARK 400 SHIFT THAT CHANGES THE CONFORMATION OF THE FLEXIBLE LOOP REMARK 400 PORTION OF THE MOLECULE, RELAXING AND WIDENING THE OMEGA REMARK 400 TURN. THIS STRUCTURAL ALTERATION RESULTS IN CHANGES IN REMARK 400 POSITION AND COORDINATION OF A BOUND CALCIUM ION IMPORTANT REMARK 400 FOR CATALYSIS. AS A RESULT, THE ENZYME IS 500 TIMES LESS REMARK 400 ACTIVE THAN THE WILD TYPE ENZYME. REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ALA A 1 REMARK 465 THR A 2 REMARK 465 SER A 3 REMARK 465 THR A 4 REMARK 465 LYS A 5 REMARK 465 GLU A 142 REMARK 465 ASP A 143 REMARK 465 ASN A 144 REMARK 465 ALA A 145 REMARK 465 ASP A 146 REMARK 465 SER A 147 REMARK 465 GLY A 148 REMARK 465 GLN A 149 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 HIS A 8 NE2 HIS A 8 CD2 -0.071 REMARK 500 HIS A 46 NE2 HIS A 46 CD2 -0.072 REMARK 500 HIS A 121 NE2 HIS A 121 CD2 -0.086 REMARK 500 HIS A 124 NE2 HIS A 124 CD2 -0.072 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 TYR A 27 CB - CG - CD2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ASP A 40 CB - CG - OD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 THR A 41 N - CA - CB ANGL. DEV. = -11.7 DEGREES REMARK 500 THR A 41 CA - C - N ANGL. DEV. = 18.9 DEGREES REMARK 500 PRO A 42 N - CA - C ANGL. DEV. = 21.6 DEGREES REMARK 500 GLU A 43 CA - CB - CG ANGL. DEV. = -18.5 DEGREES REMARK 500 HIS A 46 CB - CG - CD2 ANGL. DEV. = -11.7 DEGREES REMARK 500 ARG A 81 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 TRP A 140 CD1 - CG - CD2 ANGL. DEV. = 7.2 DEGREES REMARK 500 TRP A 140 CE2 - CD2 - CG ANGL. DEV. = -6.5 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 A 28 46.94 31.45 REMARK 500 LYS A 45 -178.20 -68.98 REMARK 500 LYS A 49 -16.97 65.21 REMARK 500 TYR A 54 -11.85 69.90 REMARK 500 ASN A 119 38.66 -150.29 REMARK 500 ASN A 138 -100.85 51.75 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 150 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 19 OD1 REMARK 620 2 ASP A 19 OD2 43.3 REMARK 620 3 ASP A 21 OD2 101.7 135.3 REMARK 620 4 ASP A 21 OD1 66.6 108.9 40.3 REMARK 620 5 ASP A 40 OD1 101.0 95.0 60.0 86.6 REMARK 620 6 HOH A 162 O 147.9 168.8 52.2 81.9 82.5 REMARK 620 7 HOH A 163 O 77.2 93.7 105.4 78.9 164.9 91.2 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CA REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR THE CALCIUM ION REMARK 800 REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE OF THE MOLECULE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE THP A 151 DBREF 1STB A 1 148 UNP P00644 NUC_STAAU 83 230 SEQADV 1STB LEU A 36 UNP P00644 INSERTION SEQRES 1 A 150 ALA THR SER THR LYS LYS LEU HIS LYS GLU PRO ALA THR SEQRES 2 A 150 LEU ILE LYS ALA ILE ASP GLY ASP THR VAL LYS LEU MET SEQRES 3 A 150 TYR LYS GLY GLN PRO MET THR PHE ARG LEU LEU LEU LEU SEQRES 4 A 150 VAL ASP THR PRO GLU THR LYS HIS PRO LYS LYS GLY VAL SEQRES 5 A 150 GLU LYS TYR GLY PRO GLU ALA SER ALA PHE THR LYS LYS SEQRES 6 A 150 MET VAL GLU ASN ALA LYS LYS ILE GLU VAL GLU PHE ASP SEQRES 7 A 150 LYS GLY GLN ARG THR ASP LYS TYR GLY ARG GLY LEU ALA SEQRES 8 A 150 TYR ILE TYR ALA ASP GLY LYS MET VAL ASN GLU ALA LEU SEQRES 9 A 150 VAL ARG GLN GLY LEU ALA LYS VAL ALA TYR VAL TYR LYS SEQRES 10 A 150 PRO ASN ASN THR HIS GLU GLN HIS LEU ARG LYS SER GLU SEQRES 11 A 150 ALA GLN ALA LYS LYS GLU LYS LEU ASN ILE TRP SER GLU SEQRES 12 A 150 ASP ASN ALA ASP SER GLY GLN HET CA A 150 1 HET THP A 151 25 HETNAM CA CALCIUM ION HETNAM THP THYMIDINE-3',5'-DIPHOSPHATE FORMUL 2 CA CA 2+ FORMUL 3 THP C10 H16 N2 O11 P2 FORMUL 4 HOH *39(H2 O) HELIX 1 H1 TYR A 54 ASN A 68 1 15 HELIX 2 H2 MET A 98 GLN A 106 1 9 HELIX 3 H3 HIS A 121 GLU A 135 1 15 SHEET 1 S1 3 LEU A 7 GLU A 10 0 SHEET 2 S1 3 LYS A 71 GLU A 75 -1 O VAL A 74 N GLU A 10 SHEET 3 S1 3 TYR A 91 ASP A 95 -1 O TYR A 93 N GLU A 73 SHEET 1 S2 3 THR A 13 ASP A 19 0 SHEET 2 S2 3 ASP A 21 TYR A 27 -1 O THR A 22 N ILE A 18 SHEET 3 S2 3 GLY A 29 ARG A 35 -1 O PHE A 34 N VAL A 23 LINK OD1 ASP A 19 CA CA A 150 1555 1555 3.12 LINK OD2 ASP A 19 CA CA A 150 1555 1555 2.29 LINK OD2 ASP A 21 CA CA A 150 1555 1555 3.28 LINK OD1 ASP A 21 CA CA A 150 1555 1555 2.37 LINK OD1 ASP A 40 CA CA A 150 1555 1555 2.29 LINK CA CA A 150 O HOH A 162 1555 1555 2.10 LINK CA CA A 150 O HOH A 163 1555 1555 2.09 CISPEP 1 LYS A 116 PRO A 117 0 -1.01 SITE 1 CA 3 ASP A 19 ASP A 21 ASP A 40 SITE 1 ACT 3 ARG A 35 GLU A 43 ARG A 87 SITE 1 AC1 6 ASP A 19 ASP A 21 ASP A 40 PRO A 42 SITE 2 AC1 6 HOH A 162 HOH A 163 SITE 1 AC2 16 ARG A 35 HIS A 46 LYS A 71 LYS A 84 SITE 2 AC2 16 TYR A 85 ARG A 87 LEU A 89 TYR A 113 SITE 3 AC2 16 TYR A 115 HOH A 162 HOH A 163 HOH A 164 SITE 4 AC2 16 HOH A 165 HOH A 166 HOH A 168 HOH A 180 CRYST1 47.160 47.160 63.150 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 0.021204 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021204 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015835 0.00000