HEADER HYDROLASE 30-MAY-02 1LW9 TITLE MULTIPLE METHIONINE SUBSTITUTIONS ARE TOLERATED IN T4 LYSOZYME AND TITLE 2 HAVE COUPLED EFFECTS ON FOLDING AND STABILITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: LYSOZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: LYSIS PROTEIN, MURAMIDASE, ENDOLYSIN; COMPND 5 EC: 3.2.1.17; COMPND 6 ENGINEERED: YES; COMPND 7 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_STRAIN: RR1; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: 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,B.H.M.MOOERS,R.D.BUSAM,L.H.WEAVER, AUTHOR 2 J.D.LINDSTROM,M.L.QUILLIN,B.W.MATTHEWS REVDAT 4 14-FEB-24 1LW9 1 REMARK REVDAT 3 27-OCT-21 1LW9 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1LW9 1 VERSN REVDAT 1 20-MAY-03 1LW9 0 JRNL AUTH N.C.GASSNER,W.A.BAASE,B.H.MOOERS,R.D.BUSAM,L.H.WEAVER, JRNL AUTH 2 J.D.LINDSTROM,M.L.QUILLIN,B.W.MATTHEWS JRNL TITL MULTIPLE METHIONINE SUBSTITUTIONS ARE TOLERATED IN T4 JRNL TITL 2 LYSOZYME AND HAVE COUPLED EFFECTS ON FOLDING AND STABILITY. JRNL REF BIOPHYS.CHEM. V. 100 325 2003 JRNL REFN ISSN 0301-4622 JRNL PMID 12646375 JRNL DOI 10.1016/S0301-4622(02)00290-9 REMARK 2 REMARK 2 RESOLUTION. 1.45 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) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 3 NUMBER OF REFLECTIONS : 33992 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1776 REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.2000 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1970 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.00 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1776 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 35772 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1308 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 198 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 21.800 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.017 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.641 ; 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 : TNT'S MODEL REMARK 3 KSOL : 0.86 REMARK 3 BSOL : 232.2 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT'S TNTGEO_V010.DAT REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORRELATION LIBRARY REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE USE OF RFREE FOR THIS STRUCTURE REMARK 3 DURING REFINEMENT WAS NOT VERY VALID SINCE THE STARTING MODEL REMARK 3 HAD BEEN REFINED AGAINST 1.75 ANGSTROM ROOM TEMPERATURE DATA (~ REMARK 3 15000 REFLECTIONS). NONETHELESS, FOR THE BENEFIT OF FUTURE REMARK 3 WORKERS, THIS STRUCTURE (1LW9) WAS NOT REFINED AGAINST BOTH THE REMARK 3 TEST AND WORKING SETS DURING THE FINAL STAGE OF REFINEMENT. REMARK 4 REMARK 4 1LW9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JUN-02. REMARK 100 THE DEPOSITION ID IS D_1000016339. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-MAR-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.7 REMARK 200 NUMBER OF CRYSTALS USED : 1 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35919 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 27.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 4.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.53 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.31600 REMARK 200 R SYM FOR SHELL (I) : 0.31600 REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: TNT REMARK 200 STARTING MODEL: PDB ENTRY 1L63 REMARK 200 REMARK 200 REMARK: 1) WORKING AND TEST SETS WERE NOT COMBINED DURING REMARK 200 THE LAST CYCLES OF REFINEMENT. REMARK 200 2) OVERALL B-VALUES: B11=B12=B22=2.5 B33=-4.99 REMARK 200 B13=B23=0.00 REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.7 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 63.58333 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 31.79167 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 31.79167 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 63.58333 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 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 - OD1 ANGL. DEV. = 7.4 DEGREES REMARK 500 ASP A 20 CB - CG - OD1 ANGL. DEV. = 9.4 DEGREES REMARK 500 ASP A 20 CB - CG - OD2 ANGL. DEV. = -7.2 DEGREES REMARK 500 TYR A 24 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ASP A 47 CB - CG - OD1 ANGL. DEV. = 9.3 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -8.2 DEGREES REMARK 500 ASP A 61 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 61 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP A 70 CB - CG - OD1 ANGL. DEV. = 6.8 DEGREES REMARK 500 ASP A 70 CB - CG - OD2 ANGL. DEV. = -6.9 DEGREES REMARK 500 ARG A 76 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ARG A 80 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 80 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ASP A 89 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 89 CB - CG - OD2 ANGL. DEV. = -5.4 DEGREES REMARK 500 ASP A 92 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ARG A 95 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 119 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG A 119 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ASP A 127 CB - CG - OD1 ANGL. DEV. = 8.0 DEGREES REMARK 500 ARG A 137 NE - CZ - NH1 ANGL. DEV. = 4.8 DEGREES REMARK 500 ARG A 145 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG A 154 NE - CZ - NH1 ANGL. DEV. = 4.8 DEGREES REMARK 500 ARG A 154 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ASP A 159 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 159 CB - CG - OD2 ANGL. DEV. = -5.8 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 76.23 -104.32 REMARK 500 ARG A 125 74.83 -100.15 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 K A 169 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 11 OE1 REMARK 620 2 GLU A 11 O 84.2 REMARK 620 3 TYR A 18 OH 116.1 89.6 REMARK 620 4 HOH A 204 O 56.4 130.5 83.7 REMARK 620 5 HOH A 207 O 75.2 82.3 165.5 110.7 REMARK 620 6 HOH A 304 O 123.4 131.0 107.8 97.3 69.7 REMARK 620 7 HOH A 405 O 53.8 118.6 145.5 63.1 48.2 69.8 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 169 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 CL A 178 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 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: 1LWG RELATED DB: PDB REMARK 900 T4 LYSOZYME WITH MUTATIONS C54T/L84M/V87M/L91M/C97A/L99M/V111M/ REMARK 900 L118M/L121M/L133M REMARK 900 RELATED ID: 1LWK RELATED DB: PDB REMARK 900 T4 LYSOZYME WITH MUTATIONS C54T/L84MSE/V87MSE/L91MSE/C97A/L99MSE/ REMARK 900 G110R/V111MSE/L118MSE/L121MSE/L133MSE/F153MSE REMARK 900 RELATED ID: 1LWY RELATED DB: PDB REMARK 900 T4 LYSOZYME WITH MUTATIONS C54T/L84MSE/V87MSE/L91MSE/C97A/L99MSE/ REMARK 900 I100MSE/V103MSE/G110R/V111MSE/L118MSE/L121MSE/L133MSE DBREF 1LW9 A 1 164 UNP P00720 LYS_BPT4 1 164 SEQADV 1LW9 THR A 54 UNP P00720 CYS 54 ENGINEERED MUTATION SEQADV 1LW9 ALA A 97 UNP P00720 CYS 97 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 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 K A 169 1 HET CL A 173 1 HET CL A 178 1 HET HED A 170 8 HETNAM K POTASSIUM ION HETNAM CL CHLORIDE ION HETNAM HED 2-HYDROXYETHYL DISULFIDE FORMUL 2 K K 1+ FORMUL 3 CL 2(CL 1-) FORMUL 5 HED C4 H10 O2 S2 FORMUL 6 HOH *198(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 GLY A 107 GLY A 113 1 7 HELIX 7 7 PHE A 114 GLN A 123 1 10 HELIX 8 8 ARG A 125 ALA A 134 1 10 HELIX 9 9 SER A 136 THR A 142 1 7 HELIX 10 10 THR A 142 GLY A 156 1 15 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 LEU A 32 -1 O HIS A 31 N ILE A 27 LINK OE1 GLU A 11 K K A 169 1555 1555 3.06 LINK O GLU A 11 K K A 169 1555 1555 2.91 LINK OH TYR A 18 K K A 169 1555 1555 2.98 LINK K K A 169 O HOH A 204 1555 1555 2.95 LINK K K A 169 O HOH A 207 1555 1555 2.92 LINK K K A 169 O HOH A 304 1555 1555 2.94 LINK K K A 169 O HOH A 405 1555 1555 3.60 SITE 1 AC1 5 GLU A 11 TYR A 18 HOH A 204 HOH A 207 SITE 2 AC1 5 HOH A 304 SITE 1 AC2 6 LYS A 124 THR A 142 ASN A 144 ARG A 145 SITE 2 AC2 6 HOH A 209 HOH A 291 SITE 1 AC3 2 LYS A 135 HOH A 220 SITE 1 AC4 8 PHE A 4 ASN A 68 ASP A 72 VAL A 75 SITE 2 AC4 8 ALA A 93 ILE A 100 HOH A 195 HOH A 472 CRYST1 60.207 60.207 95.375 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 0.016609 0.009589 0.000000 0.00000 SCALE2 0.000000 0.019179 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010485 0.00000