HEADER SIGNALING PROTEIN 24-MAY-01 1J98 TITLE THE 1.2 ANGSTROM STRUCTURE OF BACILLUS SUBTILIS LUXS COMPND MOL_ID: 1; COMPND 2 MOLECULE: AUTOINDUCER-2 PRODUCTION PROTEIN LUXS; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: AI-2 SYNTHESIS PROTEIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS AUTOINDUCER SYNTHESIS, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.N.RUZHEINIKOV,S.K.DAS,S.E.SEDELNIKOVA,A.HARTLEY,S.J.FOSTER, AUTHOR 2 M.J.HORSBURGH,A.G.COX,C.W.MCCLEOD,A.MEKHALFIA,G.M.BLACKBURN, AUTHOR 3 D.W.RICE,P.J.BAKER REVDAT 5 27-OCT-21 1J98 1 REMARK SEQADV LINK REVDAT 4 13-JUL-11 1J98 1 VERSN REVDAT 3 24-FEB-09 1J98 1 VERSN REVDAT 2 31-OCT-01 1J98 1 JRNL REVDAT 1 06-JUN-01 1J98 0 JRNL AUTH S.N.RUZHEINIKOV,S.K.DAS,S.E.SEDELNIKOVA,A.HARTLEY, JRNL AUTH 2 S.J.FOSTER,M.J.HORSBURGH,A.G.COX,C.W.MCCLEOD,A.MEKHALFIA, JRNL AUTH 3 G.M.BLACKBURN,D.W.RICE,P.J.BAKER JRNL TITL THE 1.2 A STRUCTURE OF A NOVEL QUORUM-SENSING PROTEIN, JRNL TITL 2 BACILLUS SUBTILIS LUXS JRNL REF J.MOL.BIOL. V. 313 111 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11601850 JRNL DOI 10.1006/JMBI.2001.5027 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.K.DAS,S.E.SEDELNIKOVA,P.J.BAKER,S.N.RUZHEINIKOV, REMARK 1 AUTH 2 S.J.FOSTER,A.HARTLEY,M.J.HORSBURGH,D.W.RICE REMARK 1 TITL CLONING, PURIFICATION, CRYSTALLIZATION AND PRELIMINARY REMARK 1 TITL 2 CRYSTALLOGRAPHIC ANALYSIS OF BACILLUS SUBTILIS LUXS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 57 1324 2001 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444901011611 REMARK 2 REMARK 2 RESOLUTION. 1.20 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) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 3 NUMBER OF REFLECTIONS : 50614 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) : 0.127 REMARK 3 R VALUE (WORKING SET) : 0.126 REMARK 3 FREE R VALUE : 0.146 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2714 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1225 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 217 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.78000 REMARK 3 B22 (A**2) : 0.78000 REMARK 3 B33 (A**2) : -1.18000 REMARK 3 B12 (A**2) : 0.39000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.031 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.031 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.025 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.056 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) : 1.563 ; 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) : 0.110 ; 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) : 4.245 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 6.065 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 9.269 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 11.793; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 1J98 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAY-01. REMARK 100 THE DEPOSITION ID IS D_1000013518. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-APR-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX14.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9780 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 53328 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 32.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : 0.25700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8 - 2.4M AMMONIUM SULPHATE, 0.1M REMARK 280 TRIS-HCL, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 99.72000 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 49.86000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 74.79000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 24.93000 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 124.65000 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 99.72000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 49.86000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 24.93000 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 74.79000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 124.65000 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: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED REMARK 300 BY THE TWO FOLD AXIS: X, X-Y, 5/6-Z. 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 4000 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12750 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -93.0 KCAL/MOL 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 350 BIOMT1 2 0.500000 0.866025 0.000000 -31.39000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 54.36907 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -24.93000 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 MET A 1 REMARK 465 PRO A 2 REMARK 465 SER A 3 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 O HOH A 405 O HOH A 483 1.64 REMARK 500 NH1 ARG A 142 O HOH A 458 1.99 REMARK 500 O HOH A 301 O HOH A 463 2.03 REMARK 500 O HOH A 417 O HOH A 463 2.07 REMARK 500 O LEU A 59 OG1 THR A 63 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 401 O HOH A 464 8565 2.00 REMARK 500 OE1 GLU A 95 O HOH A 471 8665 2.14 REMARK 500 OD2 OCS A 84 O HOH A 440 12564 2.18 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 30 10.91 -142.06 REMARK 500 GLN A 128 73.15 -154.48 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 ZN A 300 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 54 NE2 REMARK 620 2 HIS A 58 NE2 103.1 REMARK 620 3 CYS A 126 SG 102.2 113.4 REMARK 620 4 HOH A 395 O 116.2 112.0 109.6 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 300 DBREF 1J98 A 1 157 UNP O34667 LUXS_BACSU 1 157 SEQADV 1J98 OCS A 84 UNP O34667 CYS 84 MODIFIED RESIDUE SEQADV 1J98 THR A 96 UNP O34667 PRO 96 ENGINEERED MUTATION SEQRES 1 A 157 MET PRO SER VAL GLU SER PHE GLU LEU ASP HIS ASN ALA SEQRES 2 A 157 VAL VAL ALA PRO TYR VAL ARG HIS CYS GLY VAL HIS LYS SEQRES 3 A 157 VAL GLY THR ASP GLY VAL VAL ASN LYS PHE ASP ILE ARG SEQRES 4 A 157 PHE CYS GLN PRO ASN LYS GLN ALA MET LYS PRO ASP THR SEQRES 5 A 157 ILE HIS THR LEU GLU HIS LEU LEU ALA PHE THR ILE ARG SEQRES 6 A 157 SER HIS ALA GLU LYS TYR ASP HIS PHE ASP ILE ILE ASP SEQRES 7 A 157 ILE SER PRO MET GLY OCS GLN THR GLY TYR TYR LEU VAL SEQRES 8 A 157 VAL SER GLY GLU THR THR SER ALA GLU ILE VAL ASP LEU SEQRES 9 A 157 LEU GLU ASP THR MET LYS GLU ALA VAL GLU ILE THR GLU SEQRES 10 A 157 ILE PRO ALA ALA ASN GLU LYS GLN CYS GLY GLN ALA LYS SEQRES 11 A 157 LEU HIS ASP LEU GLU GLY ALA LYS ARG LEU MET ARG PHE SEQRES 12 A 157 TRP LEU SER GLN ASP LYS GLU GLU LEU LEU LYS VAL PHE SEQRES 13 A 157 GLY MODRES 1J98 OCS A 84 CYS CYSTEINESULFONIC ACID HET OCS A 84 9 HET ZN A 300 1 HETNAM OCS CYSTEINESULFONIC ACID HETNAM ZN ZINC ION FORMUL 1 OCS C3 H7 N O5 S FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *217(H2 O) HELIX 1 1 VAL A 4 LEU A 9 5 6 HELIX 2 2 LYS A 49 GLU A 69 1 21 HELIX 3 3 THR A 97 VAL A 113 1 17 HELIX 4 4 ASP A 133 SER A 146 1 14 HELIX 5 5 ASP A 148 LEU A 153 1 6 SHEET 1 A 4 TYR A 18 VAL A 27 0 SHEET 2 A 4 GLY A 31 ARG A 39 -1 O GLY A 31 N VAL A 27 SHEET 3 A 4 GLY A 87 GLY A 94 -1 O TYR A 88 N ILE A 38 SHEET 4 A 4 PHE A 74 PRO A 81 -1 O ASP A 75 N SER A 93 LINK C GLY A 83 N OCS A 84 1555 1555 1.33 LINK C OCS A 84 N GLN A 85 1555 1555 1.33 LINK NE2 HIS A 54 ZN ZN A 300 1555 1555 2.04 LINK NE2 HIS A 58 ZN ZN A 300 1555 1555 2.06 LINK SG CYS A 126 ZN ZN A 300 1555 1555 2.30 LINK ZN ZN A 300 O HOH A 395 1555 1555 2.08 CISPEP 1 ALA A 16 PRO A 17 0 -7.33 SITE 1 AC1 4 HIS A 54 HIS A 58 CYS A 126 HOH A 395 CRYST1 62.780 62.780 149.580 90.00 90.00 120.00 P 65 2 2 12 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 0.015929 0.009196 0.000000 0.00000 SCALE2 0.000000 0.018393 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006685 0.00000