HEADER HYDROLASE(O-GLYCOSYL) 01-SEP-93 139L TITLE RAPID CRYSTALLIZATION OF T4 LYSOZYME BY INTERMOLECULAR DISULFIDE TITLE 2 CROSSLINKING COMPND MOL_ID: 1; COMPND 2 MOLECULE: T4 LYSOZYME; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.17; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T4; SOURCE 3 ORGANISM_TAXID: 10665; SOURCE 4 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 5 EXPRESSION_SYSTEM_PLASMID: M13 KEYWDS HYDROLASE(O-GLYCOSYL) EXPDTA X-RAY DIFFRACTION AUTHOR D.W.HEINZ,B.W.MATTHEWS REVDAT 4 29-NOV-17 139L 1 HELIX REVDAT 3 13-JUL-11 139L 1 VERSN REVDAT 2 24-FEB-09 139L 1 VERSN REVDAT 1 31-JAN-94 139L 0 JRNL AUTH D.W.HEINZ,B.W.MATTHEWS JRNL TITL RAPID CRYSTALLIZATION OF T4 LYSOZYME BY INTERMOLECULAR JRNL TITL 2 DISULFIDE CROSS-LINKING. JRNL REF PROTEIN ENG. V. 7 301 1994 JRNL REFN ISSN 0269-2139 JRNL PMID 8177878 JRNL DOI 10.1093/PROTEIN/7.3.301 REMARK 2 REMARK 2 RESOLUTION. 1.70 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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) : 0.164 REMARK 3 R VALUE (WORKING SET) : NULL 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) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1291 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 146 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL 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) : 2.100 ; 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 : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 RESIDUES 162 - 164 IN WILD-TYPE AND ALL MUTANT LYSOZYMES REMARK 3 ARE EXTREMELY MOBILE. THUS THE COORDINATES FOR THESE REMARK 3 RESIDUES ARE VERY UNRELIABLE. THIS ENTRY DOES NOT INCLUDE REMARK 3 RESIDUES 163 AND 164. REMARK 3 REMARK 3 MUTANT SPACE GROUP, P3(2)21, IS ISOMORPHOUS TO WILD TYPE. REMARK 3 STARTING COORDINATES WERE BASED ON THE WILD-TYPE MODEL. REMARK 4 REMARK 4 139L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000170091. 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) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 64.94667 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 32.47333 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 32.47333 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 64.94667 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3050 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15230 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 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 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 32.47333 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: 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 11 CD GLU A 11 OE1 0.072 REMARK 500 GLU A 11 CD GLU A 11 OE2 -0.068 REMARK 500 GLU A 108 CD GLU A 108 OE1 0.066 REMARK 500 GLU A 128 CD GLU A 128 OE1 0.071 REMARK 500 LYS A 162 N LYS A 162 CA 1.281 REMARK 500 LYS A 162 CA LYS A 162 C 1.548 REMARK 500 LYS A 162 C LYS A 162 O 0.911 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. = 3.3 DEGREES REMARK 500 ASP A 47 CB - CG - OD1 ANGL. DEV. = 8.0 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -10.7 DEGREES REMARK 500 ASP A 70 CB - CG - OD1 ANGL. DEV. = 6.5 DEGREES REMARK 500 ASP A 70 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ARG A 80 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ASP A 92 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP A 127 CB - CG - OD1 ANGL. DEV. = 9.0 DEGREES REMARK 500 ASP A 127 CB - CG - OD2 ANGL. DEV. = -7.2 DEGREES REMARK 500 LYS A 162 N - CA - CB ANGL. DEV. = -10.9 DEGREES REMARK 500 LYS A 162 N - CA - C ANGL. DEV. = -54.1 DEGREES REMARK 500 LYS A 162 CA - C - O ANGL. DEV. = -59.0 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 29 71.73 -102.43 REMARK 500 PHE A 114 49.97 -85.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THERE ARE SEVERAL SUBTLE ASPECTS OF THE SECONDARY STRUCTURE REMARK 700 OF THIS MOLECULE WHICH CANNOT CONVENIENTLY BE REPRESENTED REMARK 700 IN THE HELIX AND SHEET RECORDS BELOW. THESE ASPECTS REMARK 700 INFLUENCE THE REPRESENTATION OF HELIX 6 AND STRAND 3 OF REMARK 700 SHEET *S1*. THE PAPER J.MOL.BIOL., V. 118, P. 81, 1978 REMARK 700 SHOULD BE CONSULTED FOR THESE SUBTLETIES. 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 BME A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 902 DBREF 139L A 1 164 UNP P00720 LYCV_BPT4 1 164 SEQADV 139L THR A 54 UNP P00720 CYS 54 CONFLICT SEQADV 139L CYS A 68 UNP P00720 ASN 68 CONFLICT SEQADV 139L CYS A 93 UNP P00720 ALA 93 CONFLICT SEQADV 139L ALA A 97 UNP P00720 CYS 97 CONFLICT 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 CYS 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 CYS 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 BME A 901 4 HET BME A 902 4 HETNAM CL CHLORIDE ION HETNAM BME BETA-MERCAPTOETHANOL FORMUL 2 CL 2(CL 1-) FORMUL 4 BME 2(C2 H6 O S) FORMUL 6 HOH *146(H2 O) HELIX 1 H1 ILE A 3 GLU A 11 1 9 HELIX 2 H2 LEU A 39 ILE A 50 1 12 HELIX 3 H3 LYS A 60 ARG A 80 1 21 HELIX 4 H4 ALA A 82 SER A 90 1 9 HELIX 5 H5 CYS A 93 MET A 106 1 14 HELIX 6 H6 GLU A 108 GLY A 113 1 6 HELIX 7 H7 THR A 115 GLN A 123 1 9 HELIX 8 H8 TRP A 126 ALA A 134 1 9 HELIX 9 H9 ARG A 137 GLN A 141 1 5 HELIX 10 H10 PRO A 143 THR A 155 1 13 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 SSBOND 1 CYS A 68 CYS A 93 1555 5555 2.04 LINK S2 BME A 901 S2 BME A 902 1555 1555 2.04 SITE 1 AC1 4 LYS A 124 THR A 142 ASN A 144 ARG A 145 SITE 1 AC2 5 ASN A 140 HOH A 182 HOH A 202 HOH A 220 SITE 2 AC2 5 HOH A 323 SITE 1 AC3 2 ASP A 72 BME A 902 SITE 1 AC4 5 CYS A 68 CYS A 93 ALA A 97 HOH A 195 SITE 2 AC4 5 BME A 901 CRYST1 60.860 60.860 97.420 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 0.016431 0.009487 0.000000 0.00000 SCALE2 0.000000 0.018973 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010265 0.00000