PDB Short entry for 1QTD HEADER HYDROLASE 27-JUN-99 1QTD TITLE THE INTRODUCTION OF STRAIN AND ITS EFFECTS ON THE STRUCTURE AND TITLE 2 STABILITY OF T4 LYSOZYME 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_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: M13 PHS1403 KEYWDS STRAIN, STABILITY, MUTANT, T4 LYSOZYME, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.LIU,W.A.BAASE,B.W.MATTHEWS REVDAT 7 14-FEB-24 1QTD 1 REMARK REVDAT 6 03-NOV-21 1QTD 1 REMARK SEQADV REVDAT 5 04-OCT-17 1QTD 1 REMARK REVDAT 4 24-FEB-09 1QTD 1 VERSN REVDAT 3 01-APR-03 1QTD 1 JRNL REVDAT 2 26-JAN-00 1QTD 1 JRNL REMARK COMPND REVDAT 1 22-JUL-99 1QTD 0 JRNL AUTH R.LIU,W.A.BAASE,B.W.MATTHEWS JRNL TITL THE INTRODUCTION OF STRAIN AND ITS EFFECTS ON THE STRUCTURE JRNL TITL 2 AND STABILITY OF T4 LYSOZYME. JRNL REF J.MOL.BIOL. V. 295 127 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 10623513 JRNL DOI 10.1006/JMBI.1999.3300 REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 92.6 REMARK 3 NUMBER OF REFLECTIONS : 7438 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.168 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) : 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) : 8031 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1301 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 46 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 31.500 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) : 2.818 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : 18.859; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : 0.013 ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : 0.038 ; 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 1QTD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1000009243. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAR-97 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 6.9 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 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 : XUONG-HAMLIN MULTIWIRE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MULTIWIRE PRO. REMARK 200 DATA SCALING SOFTWARE : MULTIWIRE PRO. REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8267 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 32.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.5 REMARK 200 DATA REDUNDANCY : 3.160 REMARK 200 R MERGE (I) : 0.05720 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.0660 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 65.3 REMARK 200 DATA REDUNDANCY IN SHELL : 1.69 REMARK 200 R MERGE FOR SHELL (I) : 0.21200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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 (%): 56.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.81 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POTASSIUM PHOSPHATE, SODIUM PHOSPHATE, REMARK 280 BME, PH 6.9, VAPOR DIFFUSION, HANGING 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 64.66800 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 32.33400 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 32.33400 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 64.66800 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: 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 1.89 REMARK 500 REMARK 500 REMARK: NULL 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 GLU A 5 CD GLU A 5 OE2 0.067 REMARK 500 GLU A 22 CD GLU A 22 OE2 0.073 REMARK 500 GLU A 62 CD GLU A 62 OE2 0.078 REMARK 500 GLU A 128 CD GLU A 128 OE2 0.074 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 ARG A 8 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ASP A 20 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 THR A 34 CA - CB - CG2 ANGL. DEV. = 8.8 DEGREES REMARK 500 PRO A 37 C - N - CD ANGL. DEV. = -31.6 DEGREES REMARK 500 ALA A 42 CB - CA - C ANGL. DEV. = 11.2 DEGREES REMARK 500 ASP A 72 CB - CG - OD2 ANGL. DEV. = -5.4 DEGREES REMARK 500 ARG A 80 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ASP A 89 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP A 92 CB - CG - OD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 VAL A 111 CA - CB - CG1 ANGL. DEV. = -10.7 DEGREES REMARK 500 ARG A 119 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 119 NE - CZ - NH2 ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG A 125 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 125 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ASP A 127 CB - CG - OD1 ANGL. DEV. = 7.9 DEGREES REMARK 500 ASP A 127 CB - CG - OD2 ANGL. DEV. = -7.0 DEGREES REMARK 500 ARG A 137 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 137 NE - CZ - NH2 ANGL. DEV. = -4.8 DEGREES REMARK 500 ARG A 148 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG A 154 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 TYR A 161 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 TYR A 161 CB - CG - CD1 ANGL. DEV. = 4.0 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 17 157.55 -43.55 REMARK 500 ASP A 20 -158.15 -74.04 REMARK 500 GLU A 22 1.77 -67.97 REMARK 500 ILE A 29 74.06 -110.71 REMARK 500 SER A 36 -169.58 -103.86 REMARK 500 ALA A 112 4.78 -60.47 REMARK 500 PHE A 114 34.64 -62.67 REMARK 500 THR A 115 -49.54 -22.44 REMARK 500 ASN A 116 -96.35 -71.49 REMARK 500 SER A 117 -70.45 -5.00 REMARK 500 LEU A 118 -76.23 -8.58 REMARK 500 LEU A 121 -74.81 -33.11 REMARK 500 TRP A 126 -158.12 45.05 REMARK 500 ASP A 127 -73.53 46.51 REMARK 500 LYS A 135 47.52 -107.85 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 HED A 170 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QSB RELATED DB: PDB REMARK 900 RELATED ID: 1QS5 RELATED DB: PDB REMARK 900 RELATED ID: 1QS9 RELATED DB: PDB REMARK 900 RELATED ID: 1QTB RELATED DB: PDB REMARK 900 RELATED ID: 1QTC RELATED DB: PDB REMARK 900 RELATED ID: 1QTH RELATED DB: PDB DBREF 1QTD A 1 162 UNP P00720 LYS_BPT4 1 162 SEQADV 1QTD THR A 54 UNP P00720 CYS 54 ENGINEERED MUTATION SEQADV 1QTD ALA A 97 UNP P00720 CYS 97 ENGINEERED MUTATION SEQADV 1QTD TRP A 129 UNP P00720 ALA 129 ENGINEERED MUTATION SEQRES 1 A 162 MET ASN ILE PHE GLU MET LEU ARG ILE ASP GLU GLY LEU SEQRES 2 A 162 ARG LEU LYS ILE TYR LYS ASP THR GLU GLY TYR TYR THR SEQRES 3 A 162 ILE GLY ILE GLY HIS LEU LEU THR LYS SER PRO SER LEU SEQRES 4 A 162 ASN ALA ALA LYS SER GLU LEU ASP LYS ALA ILE GLY ARG SEQRES 5 A 162 ASN THR ASN GLY VAL ILE THR LYS ASP GLU ALA GLU LYS SEQRES 6 A 162 LEU PHE ASN GLN ASP VAL ASP ALA ALA VAL ARG GLY ILE SEQRES 7 A 162 LEU ARG ASN ALA LYS LEU LYS PRO VAL TYR ASP SER LEU SEQRES 8 A 162 ASP ALA VAL ARG ARG ALA ALA LEU ILE ASN MET VAL PHE SEQRES 9 A 162 GLN MET GLY GLU THR GLY VAL ALA GLY PHE THR ASN SER SEQRES 10 A 162 LEU ARG MET LEU GLN GLN LYS ARG TRP ASP GLU TRP ALA SEQRES 11 A 162 VAL ASN LEU ALA LYS SER ARG TRP TYR ASN GLN THR PRO SEQRES 12 A 162 ASN ARG ALA LYS ARG VAL ILE THR THR PHE ARG THR GLY SEQRES 13 A 162 THR TRP ASP ALA TYR LYS HET HED A 170 8 HETNAM HED 2-HYDROXYETHYL DISULFIDE FORMUL 2 HED C4 H10 O2 S2 FORMUL 3 HOH *46(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 SER A 90 1 8 HELIX 5 5 ASP A 92 GLY A 107 1 16 HELIX 6 6 MET A 106 ALA A 112 1 7 HELIX 7 7 PHE A 114 GLN A 123 1 10 HELIX 8 8 LYS A 124 LYS A 124 5 1 HELIX 9 9 ARG A 125 TRP A 126 5 2 HELIX 10 10 ASP A 127 LYS A 135 1 9 HELIX 11 11 SER A 136 THR A 142 1 7 HELIX 12 12 THR A 142 GLY A 156 1 15 HELIX 13 13 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 5 ILE A 3 ASN A 68 ASP A 72 VAL A 75 SITE 2 AC1 5 ALA A 93 CRYST1 60.968 60.968 97.002 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 0.016400 0.009470 0.000000 0.00000 SCALE2 0.000000 0.018940 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010310 0.00000