HEADER HYDROLASE(O-GLYCOSYL) 12-OCT-93 201L TITLE HOW AMINO-ACID INSERTIONS ARE ALLOWED IN AN ALPHA-HELIX OF T4 LYSOZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: T4 LYSOZYME; COMPND 3 CHAIN: A, B; 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 14-FEB-24 201L 1 REMARK SEQADV LINK REVDAT 3 29-NOV-17 201L 1 HELIX REVDAT 2 24-FEB-09 201L 1 VERSN REVDAT 1 31-JAN-94 201L 0 JRNL AUTH D.W.HEINZ,W.A.BAASE,F.W.DAHLQUIST,B.W.MATTHEWS JRNL TITL HOW AMINO-ACID INSERTIONS ARE ALLOWED IN AN ALPHA-HELIX OF JRNL TITL 2 T4 LYSOZYME. JRNL REF NATURE V. 361 561 1993 JRNL REFN ISSN 0028-0836 JRNL PMID 8429913 JRNL DOI 10.1038/361561A0 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 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) : 0.182 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 : 2635 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 120 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) : 0.013 ; 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 FOR CHAIN *A*. REMARK 4 REMARK 4 201L 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_1000177552. 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 (%): 46.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z 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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 27.10000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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: 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 B 5 CD GLU B 5 OE1 0.067 REMARK 500 GLU B 64 CD GLU B 64 OE2 0.069 REMARK 500 GLU B 128 CD GLU B 128 OE1 0.076 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. = 3.6 DEGREES REMARK 500 ARG A 8 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG A 14 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ASP A 92 CB - CG - OD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 ARG A 137 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ASP A 159 CB - CG - OD1 ANGL. DEV. = -5.6 DEGREES REMARK 500 ASP B 61 CB - CG - OD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 ASP B 61 CB - CG - OD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 ASP B 72 CB - CG - OD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 ARG B 76 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG B 80 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG B 80 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG B 125 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 ASP B 127 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP B 127 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ASP B 159 CB - CG - OD1 ANGL. DEV. = -5.5 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 58.94 -94.28 REMARK 500 THR A 34 138.70 -174.73 REMARK 500 ILE A 50 -67.16 -105.95 REMARK 500 PHE A 114 44.13 -96.35 REMARK 500 THR A 115 -70.61 -25.08 REMARK 500 ASP B 20 -157.52 -85.57 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 BME B 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 902 DBREF 201L A 1 164 UNP P00720 LYCV_BPT4 1 164 DBREF 201L B 1 164 UNP P00720 LYCV_BPT4 1 164 SEQADV 201L HIS A 48A UNP P00720 INSERTION SEQADV 201L PRO A 48B UNP P00720 INSERTION SEQADV 201L THR A 54 UNP P00720 CYS 54 CONFLICT SEQADV 201L ALA A 97 UNP P00720 CYS 97 CONFLICT SEQADV 201L HIS B 48A UNP P00720 INSERTION SEQADV 201L PRO B 48B UNP P00720 INSERTION SEQADV 201L THR B 54 UNP P00720 CYS 54 CONFLICT SEQADV 201L ALA B 97 UNP P00720 CYS 97 CONFLICT SEQRES 1 A 166 MET ASN ILE PHE GLU MET LEU ARG ILE ASP GLU GLY LEU SEQRES 2 A 166 ARG LEU LYS ILE TYR LYS ASP THR GLU GLY TYR TYR THR SEQRES 3 A 166 ILE GLY ILE GLY HIS LEU LEU THR LYS SER PRO SER LEU SEQRES 4 A 166 ASN ALA ALA LYS SER GLU LEU ASP LYS HIS PRO ALA ILE SEQRES 5 A 166 GLY ARG ASN THR ASN GLY VAL ILE THR LYS ASP GLU ALA SEQRES 6 A 166 GLU LYS LEU PHE ASN GLN ASP VAL ASP ALA ALA VAL ARG SEQRES 7 A 166 GLY ILE LEU ARG ASN ALA LYS LEU LYS PRO VAL TYR ASP SEQRES 8 A 166 SER LEU ASP ALA VAL ARG ARG ALA ALA LEU ILE ASN MET SEQRES 9 A 166 VAL PHE GLN MET GLY GLU THR GLY VAL ALA GLY PHE THR SEQRES 10 A 166 ASN SER LEU ARG MET LEU GLN GLN LYS ARG TRP ASP GLU SEQRES 11 A 166 ALA ALA VAL ASN LEU ALA LYS SER ARG TRP TYR ASN GLN SEQRES 12 A 166 THR PRO ASN ARG ALA LYS ARG VAL ILE THR THR PHE ARG SEQRES 13 A 166 THR GLY THR TRP ASP ALA TYR LYS ASN LEU SEQRES 1 B 166 MET ASN ILE PHE GLU MET LEU ARG ILE ASP GLU GLY LEU SEQRES 2 B 166 ARG LEU LYS ILE TYR LYS ASP THR GLU GLY TYR TYR THR SEQRES 3 B 166 ILE GLY ILE GLY HIS LEU LEU THR LYS SER PRO SER LEU SEQRES 4 B 166 ASN ALA ALA LYS SER GLU LEU ASP LYS HIS PRO ALA ILE SEQRES 5 B 166 GLY ARG ASN THR ASN GLY VAL ILE THR LYS ASP GLU ALA SEQRES 6 B 166 GLU LYS LEU PHE ASN GLN ASP VAL ASP ALA ALA VAL ARG SEQRES 7 B 166 GLY ILE LEU ARG ASN ALA LYS LEU LYS PRO VAL TYR ASP SEQRES 8 B 166 SER LEU ASP ALA VAL ARG ARG ALA ALA LEU ILE ASN MET SEQRES 9 B 166 VAL PHE GLN MET GLY GLU THR GLY VAL ALA GLY PHE THR SEQRES 10 B 166 ASN SER LEU ARG MET LEU GLN GLN LYS ARG TRP ASP GLU SEQRES 11 B 166 ALA ALA VAL ASN LEU ALA LYS SER ARG TRP TYR ASN GLN SEQRES 12 B 166 THR PRO ASN ARG ALA LYS ARG VAL ILE THR THR PHE ARG SEQRES 13 B 166 THR GLY THR TRP ASP ALA TYR LYS ASN LEU HET BME B 901 4 HET BME B 902 4 HETNAM BME BETA-MERCAPTOETHANOL FORMUL 3 BME 2(C2 H6 O S) FORMUL 5 HOH *120(H2 O) HELIX 1 A1 ILE A 3 GLU A 11 1 9 HELIX 2 A2 LEU A 39 ILE A 50 1 14 HELIX 3 A3 LYS A 60 ARG A 80 1 21 HELIX 4 A4 ALA A 82 SER A 90 1 9 HELIX 5 A5 ALA A 93 MET A 106 1 14 HELIX 6 A6 GLU A 108 GLY A 113 1 6 HELIX 7 A7 THR A 115 GLN A 123 1 9 HELIX 8 A8 TRP A 126 ALA A 134 1 9 HELIX 9 A9 ARG A 137 GLN A 141 1 5 HELIX 10 A10 PRO A 143 THR A 155 1 13 HELIX 11 B1 ILE B 3 GLU B 11 1 9 HELIX 12 B2 LEU B 39 ILE B 50 1 14 HELIX 13 B3 LYS B 60 ARG B 80 1 21 HELIX 14 B4 ALA B 82 SER B 90 1 9 HELIX 15 B5 ALA B 93 MET B 106 1 14 HELIX 16 B6 GLU B 108 GLY B 113 1 6 HELIX 17 B7 THR B 115 GLN B 123 1 9 HELIX 18 B8 TRP B 126 ALA B 134 1 9 HELIX 19 B9 ARG B 137 GLN B 141 1 5 HELIX 20 B10 PRO B 143 THR B 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 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 SHEET 1 B 3 ARG B 14 LYS B 19 0 SHEET 2 B 3 TYR B 25 GLY B 28 -1 O THR B 26 N TYR B 18 SHEET 3 B 3 HIS B 31 THR B 34 -1 N HIS B 31 O ILE B 27 LINK S2 BME B 901 S2 BME B 902 1555 1555 2.05 SITE 1 AC1 2 ASP B 72 BME B 902 SITE 1 AC2 2 TYR B 88 BME B 901 CRYST1 55.230 54.200 59.100 90.00 103.45 90.00 P 1 21 1 4 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 0.018106 0.000000 0.004330 0.00000 SCALE2 0.000000 0.018450 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017398 0.00000