HEADER HYDROLASE 20-AUG-99 1CU3 TITLE T4 LYSOZYME MUTANT V87M COMPND MOL_ID: 1; COMPND 2 MOLECULE: LYSOZYME; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.17; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T4; SOURCE 3 ORGANISM_TAXID: 10665; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR: PHS1403 KEYWDS HYDROLASE (O-GLYCOSYL), T4 LYSOZYME, METHIONINE CORE MUTANT, PROTEIN KEYWDS 2 ENGINEERING, PROTEIN FOLDING, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR N.C.GASSNER,W.A.BAASE,J.D.LINDSTROM,J.LU,B.W.MATTHEWS REVDAT 8 07-FEB-24 1CU3 1 REMARK REVDAT 7 03-NOV-21 1CU3 1 REMARK SEQADV REVDAT 6 16-APR-14 1CU3 1 REMARK VERSN REVDAT 5 24-FEB-09 1CU3 1 VERSN REVDAT 4 01-APR-03 1CU3 1 JRNL REVDAT 3 30-JUN-00 1CU3 1 SOURCE REVDAT 2 08-DEC-99 1CU3 1 COMPND REMARK SEQRES DBREF REVDAT 1 10-NOV-99 1CU3 0 JRNL AUTH N.C.GASSNER,W.A.BAASE,J.D.LINDSTROM,J.LU,F.W.DAHLQUIST, JRNL AUTH 2 B.W.MATTHEWS JRNL TITL METHIONINE AND ALANINE SUBSTITUTIONS SHOW THAT THE FORMATION JRNL TITL 2 OF WILD-TYPE-LIKE STRUCTURE IN THE CARBOXY-TERMINAL DOMAIN JRNL TITL 3 OF T4 LYSOZYME IS A RATE-LIMITING STEP IN FOLDING. JRNL REF BIOCHEMISTRY V. 38 14451 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10545167 JRNL DOI 10.1021/BI9915519 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.C.GASSNER,W.A.BAASE,B.W.MATTHEWS REMARK 1 TITL A TEST OF THE "JIGSAW-PUZZLE" MODEL FOR PROTEIN FOLDING BY REMARK 1 TITL 2 MULTIPLE METHIONINE SUBSTITUTIONS WITHIN THE CORE OF T4 REMARK 1 TITL 3 LYSOZYME REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 93 12155 1996 REMARK 1 REFN ISSN 0027-8424 REMARK 1 DOI 10.1073/PNAS.93.22.12155 REMARK 1 REFERENCE 2 REMARK 1 AUTH L.H.WEAVER,B.W.MATTHEWS REMARK 1 TITL STRUCTURE OF BACTERIOPHAGE T4 LYSOZYME REFINED AT 1.7 A REMARK 1 TITL 2 RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 193 189 1987 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.12 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.12 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 85.6 REMARK 3 NUMBER OF REFLECTIONS : 11061 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.156 REMARK 3 R VALUE (WORKING SET) : 0.156 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 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.1560 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) : 11061 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1293 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 121 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 26.900 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.016 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.600 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CU3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-AUG-99. REMARK 100 THE DEPOSITION ID IS D_1000009543. 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) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOSTRAT REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17681 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.740 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.1000 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: TNT REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NA2PO4, NACL, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 65.13333 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 32.56667 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 32.56667 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 65.13333 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 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 ASN A 163 REMARK 465 LEU A 164 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 O1 HED A 170 O1 HED A 170 5555 2.04 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 ASP A 10 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP A 20 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP A 20 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 PRO A 37 C - N - CD ANGL. DEV. = -16.2 DEGREES REMARK 500 ASP A 47 CB - CG - OD1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -7.1 DEGREES REMARK 500 ASP A 61 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ASP A 70 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 ASP A 72 CB - CG - OD2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ASP A 89 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ARG A 148 NE - CZ - NH1 ANGL. DEV. = 3.1 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 ILE A 29 76.73 -103.17 REMARK 500 PHE A 114 41.02 -92.79 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 173 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 178 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HED A 170 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CTW RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT I78A REMARK 900 RELATED ID: 1CU0 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT I78M REMARK 900 RELATED ID: 1CU2 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT L84M REMARK 900 RELATED ID: 1CU6 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT L91A REMARK 900 RELATED ID: 1CU5 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT L91M REMARK 900 RELATED ID: 1CUP RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT I100M REMARK 900 RELATED ID: 1CUQ RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT V103M REMARK 900 RELATED ID: 1CV0 RELATED DB: PDB REMARK 900 T4 LYSOZMYE MUTANT F104M REMARK 900 RELATED ID: 1CV1 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT V111M REMARK 900 RELATED ID: 1QSQ RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT M106A REMARK 900 RELATED ID: 1CV4 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT L118M REMARK 900 RELATED ID: 1CV3 RELATED DB: PDB REMARK 900 T4 LYSZOYME MUTANT L121M REMARK 900 RELATED ID: 1CV5 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT L133M REMARK 900 RELATED ID: 1CV6 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT V149M REMARK 900 RELATED ID: 1CVK RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT L118A REMARK 900 RELATED ID: 1D2W RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT I27M REMARK 900 RELATED ID: 1D2Y RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT I50M REMARK 900 RELATED ID: 1D3F RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT I58M REMARK 900 RELATED ID: 1D3J RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT L66M DBREF 1CU3 A 1 164 UNP P00720 LYS_BPT4 1 164 SEQADV 1CU3 THR A 54 UNP P00720 CYS 54 ENGINEERED MUTATION SEQADV 1CU3 ALA A 97 UNP P00720 CYS 97 ENGINEERED MUTATION SEQADV 1CU3 MET A 87 UNP P00720 VAL 87 ENGINEERED MUTATION SEQRES 1 A 164 MET ASN ILE PHE GLU MET LEU ARG ILE ASP GLU GLY LEU SEQRES 2 A 164 ARG LEU LYS ILE TYR LYS ASP THR GLU GLY TYR TYR THR SEQRES 3 A 164 ILE GLY ILE GLY HIS LEU LEU THR LYS SER PRO SER LEU SEQRES 4 A 164 ASN ALA ALA LYS SER GLU LEU ASP LYS ALA ILE GLY ARG SEQRES 5 A 164 ASN THR ASN GLY VAL ILE THR LYS ASP GLU ALA GLU LYS SEQRES 6 A 164 LEU PHE ASN GLN ASP VAL ASP ALA ALA VAL ARG GLY ILE SEQRES 7 A 164 LEU ARG ASN ALA LYS LEU LYS PRO MET TYR ASP SER LEU SEQRES 8 A 164 ASP ALA VAL ARG ARG ALA ALA LEU ILE ASN MET VAL PHE SEQRES 9 A 164 GLN MET GLY GLU THR GLY VAL ALA GLY PHE THR ASN SER SEQRES 10 A 164 LEU ARG MET LEU GLN GLN LYS ARG TRP ASP GLU ALA ALA SEQRES 11 A 164 VAL ASN LEU ALA LYS SER ARG TRP TYR ASN GLN THR PRO SEQRES 12 A 164 ASN ARG ALA LYS ARG VAL ILE THR THR PHE ARG THR GLY SEQRES 13 A 164 THR TRP ASP ALA TYR LYS ASN LEU HET CL A 173 1 HET CL A 178 1 HET HED A 170 8 HETNAM CL CHLORIDE ION HETNAM HED 2-HYDROXYETHYL DISULFIDE FORMUL 2 CL 2(CL 1-) FORMUL 4 HED C4 H10 O2 S2 FORMUL 5 HOH *121(H2 O) HELIX 1 1 ASN A 2 GLY A 12 1 11 HELIX 2 2 SER A 38 GLY A 51 1 14 HELIX 3 3 THR A 59 ASN A 81 1 23 HELIX 4 4 LEU A 84 LEU A 91 1 8 HELIX 5 5 ASP A 92 GLY A 107 1 16 HELIX 6 6 MET A 106 GLY A 113 1 8 HELIX 7 7 PHE A 114 GLN A 123 1 10 HELIX 8 8 ARG A 125 LYS A 135 1 11 HELIX 9 9 SER A 136 THR A 142 1 7 HELIX 10 10 THR A 142 GLY A 156 1 15 HELIX 11 11 TRP A 158 LYS A 162 5 5 SHEET 1 A 3 ARG A 14 LYS A 19 0 SHEET 2 A 3 TYR A 25 GLY A 28 -1 O THR A 26 N TYR A 18 SHEET 3 A 3 HIS A 31 THR A 34 -1 N HIS A 31 O ILE A 27 SITE 1 AC1 3 THR A 142 ARG A 145 HOH A 291 SITE 1 AC2 2 LYS A 135 HOH A 215 SITE 1 AC3 5 ASN A 68 ASP A 72 VAL A 75 ALA A 93 SITE 2 AC3 5 ILE A 100 CRYST1 60.480 60.480 97.700 90.00 90.00 120.00 P 32 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 0.016534 0.009546 0.000000 0.00000 SCALE2 0.000000 0.019092 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010235 0.00000