HEADER HYDROLASE 22-JUN-99 1QSQ TITLE CAVITY CREATING MUTATION 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 GENE: GENE E; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PHS1403 KEYWDS HYDROLASE (O-GLYCOSYL), T4 LYSOZYME, CAVITY MUTANT, PROTEIN KEYWDS 2 ENGINEERING, PROTEIN FOLDING, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR N.C.GASSNER,W.A.BAASE,J.LINDSTROM,B.W.MATTHEWS REVDAT 9 14-FEB-24 1QSQ 1 REMARK REVDAT 8 03-NOV-21 1QSQ 1 REMARK SEQADV REVDAT 7 31-JAN-18 1QSQ 1 REMARK REVDAT 6 04-OCT-17 1QSQ 1 REMARK REVDAT 5 24-FEB-09 1QSQ 1 VERSN REVDAT 4 01-APR-03 1QSQ 1 JRNL REVDAT 3 08-DEC-99 1QSQ 1 COMPND REMARK DBREF SEQRES REVDAT 2 10-NOV-99 1QSQ 1 COMPND JRNL REMARK REVDAT 1 29-JUN-99 1QSQ 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 J.XU,W.A.BAASE,E.P.BALDWIN,B.W.MATTHEWS REMARK 1 TITL THE RESPONSE OF T4 LYSOZYME TO LARGE-TO-SMALL SUBSTITUTIONS REMARK 1 TITL 2 WITHIN THE CORE AND ITS RELATION TO THE HYDROPHOBIC EFFECT REMARK 1 REF PROTEIN SCI. V. 7 158 1998 REMARK 1 REFN ISSN 0961-8368 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. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 11698 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) : 0.153 REMARK 3 R VALUE (WORKING SET) : 0.153 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) : 0.1530 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) : 11698 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1289 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) : 18.900 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.018 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.265 ; 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 1QSQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1000009220. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-JUL-91; 26-JUL-91 REMARK 200 TEMPERATURE (KELVIN) : 298.0; 298.0 REMARK 200 PH : 6.6 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N; N REMARK 200 RADIATION SOURCE : ROTATING ANODE; ROTATING ANODE REMARK 200 BEAMLINE : NULL; NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200; RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418; 1.5418 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : FILM; FILM REMARK 200 DETECTOR MANUFACTURER : KODAK; KODAK REMARK 200 INTENSITY-INTEGRATION SOFTWARE : FILM REMARK 200 DATA SCALING SOFTWARE : CCP4 (AGROVATA, ROTAVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11951 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 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 (%) : 64.0 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 67.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.80 REMARK 200 R MERGE FOR SHELL (I) : 0.25800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL 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 (%): 55.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.78 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NA2PO4, NACL, PH 6.6, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 277.0K 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 64.33333 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 32.16667 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 32.16667 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 64.33333 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 BIOLOGICAL ASSEMBLY IS A MONOMER. 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 1.88 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 20 CB - CG - OD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP A 47 CB - CG - OD1 ANGL. DEV. = 6.5 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -6.5 DEGREES REMARK 500 ASP A 61 CB - CG - OD1 ANGL. DEV. = -5.9 DEGREES REMARK 500 ASP A 70 CB - CG - OD1 ANGL. DEV. = -6.4 DEGREES REMARK 500 ASP A 70 CB - CG - OD2 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG A 76 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 125 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ASP A 127 CB - CG - OD1 ANGL. DEV. = 6.9 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 75.95 -103.21 REMARK 500 ASN A 55 31.92 77.36 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 178 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 173 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: 1CU3 RELATED DB: PDB REMARK 900 T4 LYSOZYME MUTANT V87M 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 LYSOZYME 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 LYSOZYME 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 1QSQ A 1 164 UNP P00720 LYS_BPT4 1 164 SEQADV 1QSQ THR A 54 UNP P00720 CYS 54 ENGINEERED MUTATION SEQADV 1QSQ ALA A 97 UNP P00720 CYS 97 ENGINEERED MUTATION SEQADV 1QSQ ALA A 106 UNP P00720 MET 106 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 VAL 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 ALA 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 178 1 HET CL A 173 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 LYS A 83 LEU A 91 1 9 HELIX 5 5 ASP A 92 GLY A 107 1 16 HELIX 6 6 ALA 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 N THR A 26 O 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 2 LYS A 135 HOH A 215 SITE 1 AC2 5 LYS A 124 THR A 142 ASN A 144 ARG A 145 SITE 2 AC2 5 HOH A 209 SITE 1 AC3 2 ASP A 72 ALA A 93 CRYST1 60.900 60.900 96.500 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 0.016420 0.009480 0.000000 0.00000 SCALE2 0.000000 0.018961 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010363 0.00000