HEADER HYDROLASE (O-GLYCOSYL) 09-FEB-95 1LSP TITLE THE CRYSTAL STRUCTURE OF A BULGECIN-INHIBITED G-TYPE LYSOZYME FROM THE TITLE 2 EGG-WHITE OF THE AUSTRALIAN BLACK SWAN. A COMPARISON OF THE BINDING TITLE 3 OF BULGECIN TO THREE MURAMIDASES COMPND MOL_ID: 1; COMPND 2 MOLECULE: LYSOZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MUCOPEPTIDE N-ACETYLMURAMYLHYDROLASE; COMPND 5 EC: 3.2.1.17 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CYGNUS ATRATUS; SOURCE 3 ORGANISM_COMMON: BLACK SWAN; SOURCE 4 ORGANISM_TAXID: 8868; SOURCE 5 CELLULAR_LOCATION: EGG WHITE KEYWDS HYDROLASE (O-GLYCOSYL) EXPDTA X-RAY DIFFRACTION AUTHOR S.KARLSEN,Z.H.RAO,E.HOUGH,N.W.ISAACS REVDAT 4 23-OCT-24 1LSP 1 REMARK REVDAT 3 19-MAR-14 1LSP 1 LINK VERSN REVDAT 2 24-FEB-09 1LSP 1 VERSN REVDAT 1 01-JAN-96 1LSP 0 JRNL AUTH S.KARLSEN,E.HOUGH,Z.H.RAO,N.W.ISAACS JRNL TITL STRUCTURE OF A BULGECIN-INHIBITED G-TYPE LYSOZYME FROM THE JRNL TITL 2 EGG WHITE OF THE AUSTRALIAN BLACK SWAN. A COMPARISON OF THE JRNL TITL 3 BINDING OF BULGECIN TO THREE MURAMIDASES. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 52 105 1996 JRNL REFN ISSN 0907-4449 JRNL PMID 15299731 JRNL DOI 10.1107/S0907444995008468 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.KARLSEN,E.HOUGH REMARK 1 TITL THE CRYSTAL STRUCTURE OF A COMPLEX BETWEEN BULGECIN, A REMARK 1 TITL 2 BACTERIAL METABOLITE, AND LYSOZYME FROM THE RAINBOW TROUT REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH N.W.ISAACS,K.J.MACHIN,M.MASAKUNI REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF GOOSE-TYPE LYSOZYME FROM THE REMARK 1 TITL 2 EGG WHITE OF THE AUSTRALIAN BLACK SWAN, CYGNUS ATRATUS REMARK 1 REF AUST.J.BIOL.SCI. V. 38 12 1985 REMARK 1 REFN ISSN 0004-9417 REMARK 1 REFERENCE 3 REMARK 1 AUTH S.SHINAGAWA,F.KASAHARA,Y.WADA,S.HARADA,M.ASAI REMARK 1 TITL STRUCTURES OF BULGECINS, BACTERIAL METABOLITES WITH REMARK 1 TITL 2 BULGE-INDUCING ACTIVITY REMARK 1 REF TETRAHEDRON V. 40 3465 1984 REMARK 1 REFN ISSN 0040-4020 REMARK 2 REMARK 2 RESOLUTION. 2.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 6959 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.175 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 FIT/AGREEMENT OF MODEL WITH ALL DATA. 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 : 1434 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 35 REMARK 3 SOLVENT ATOMS : 109 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.016 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.053 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.073 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.014 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.045 ; 0.060 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.224 ; 0.030 REMARK 3 MULTIPLE TORSION (A) : 0.276 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.224 ; 0.300 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 6.929 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 22.687; 15.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1LSP 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_1000174818. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUN-94 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL 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 : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6959 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 78.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 (%): 55.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z REMARK 290 4555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 45.84500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.66500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 45.84500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.66500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 3 CB - CG - OD2 ANGL. DEV. = -7.0 DEGREES REMARK 500 ILE A 11 CA - C - O ANGL. DEV. = 16.2 DEGREES REMARK 500 ASP A 12 CB - CG - OD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ARG A 40 NH1 - CZ - NH2 ANGL. DEV. = 8.8 DEGREES REMARK 500 ARG A 40 NE - CZ - NH2 ANGL. DEV. = -10.5 DEGREES REMARK 500 LEU A 42 CB - CG - CD1 ANGL. DEV. = 12.4 DEGREES REMARK 500 LEU A 42 CB - CG - CD2 ANGL. DEV. = -13.0 DEGREES REMARK 500 ARG A 72 NH1 - CZ - NH2 ANGL. DEV. = 8.6 DEGREES REMARK 500 ARG A 72 NE - CZ - NH2 ANGL. DEV. = -6.2 DEGREES REMARK 500 ALA A 76 CB - CA - C ANGL. DEV. = 9.1 DEGREES REMARK 500 VAL A 79 N - CA - CB ANGL. DEV. = -16.1 DEGREES REMARK 500 ASP A 86 CB - CG - OD1 ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG A 87 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 126 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 LYS A 136 CB - CA - C ANGL. DEV. = 12.1 DEGREES REMARK 500 ASP A 137 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 SER A 145 O - C - N ANGL. DEV. = -9.7 DEGREES REMARK 500 ALA A 146 CB - CA - C ANGL. DEV. = 9.5 DEGREES REMARK 500 ARG A 155 CD - NE - CZ ANGL. DEV. = -10.4 DEGREES REMARK 500 ARG A 155 NE - CZ - NH2 ANGL. DEV. = -6.3 DEGREES REMARK 500 ALA A 158 CB - CA - C ANGL. DEV. = -9.0 DEGREES REMARK 500 ARG A 159 NE - CZ - NH1 ANGL. DEV. = -4.2 DEGREES REMARK 500 ASP A 161 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP A 161 CB - CG - OD2 ANGL. DEV. = -7.2 DEGREES REMARK 500 ASP A 167 CB - CG - OD1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ASP A 168 CB - CG - OD2 ANGL. DEV. = -7.8 DEGREES REMARK 500 TYR A 169 CB - CG - CD2 ANGL. DEV. = -4.4 DEGREES REMARK 500 ASP A 172 CB - CG - OD1 ANGL. DEV. = -5.8 DEGREES REMARK 500 ARG A 176 NE - CZ - NH1 ANGL. DEV. = -10.6 DEGREES REMARK 500 ARG A 176 NE - CZ - NH2 ANGL. DEV. = 9.2 DEGREES REMARK 500 LYS A 181 CB - CA - C ANGL. DEV. = -15.0 DEGREES REMARK 500 LYS A 181 N - CA - CB ANGL. DEV. = 13.3 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 CYS A 29 -167.57 -113.60 REMARK 500 PRO A 63 -36.03 -32.54 REMARK 500 HIS A 75 39.26 70.71 REMARK 500 ASP A 168 9.43 -152.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 1 0.13 SIDE CHAIN REMARK 500 ARG A 40 0.26 SIDE CHAIN REMARK 500 ARG A 72 0.14 SIDE CHAIN REMARK 500 ARG A 87 0.10 SIDE CHAIN REMARK 500 ARG A 126 0.16 SIDE CHAIN REMARK 500 ARG A 159 0.18 SIDE CHAIN 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 BUL A 295 DBREF 1LSP A 1 185 UNP P00717 LYG_CYGAT 1 185 SEQRES 1 A 185 ARG THR ASP CYS TYR GLY ASN VAL ASN ARG ILE ASP THR SEQRES 2 A 185 THR GLY ALA SER CYS LYS THR ALA LYS PRO GLU GLY LEU SEQRES 3 A 185 SER TYR CYS GLY VAL PRO ALA SER LYS THR ILE ALA GLU SEQRES 4 A 185 ARG ASP LEU LYS ALA MET ASP ARG TYR LYS THR ILE ILE SEQRES 5 A 185 LYS LYS VAL GLY GLU LYS LEU CYS VAL GLU PRO ALA VAL SEQRES 6 A 185 ILE ALA GLY ILE ILE SER ARG GLU SER HIS ALA GLY LYS SEQRES 7 A 185 VAL LEU LYS ASN GLY TRP GLY ASP ARG GLY ASN GLY PHE SEQRES 8 A 185 GLY LEU MET GLN VAL ASP LYS ARG SER HIS LYS PRO GLN SEQRES 9 A 185 GLY THR TRP ASN GLY GLU VAL HIS ILE THR GLN GLY THR SEQRES 10 A 185 THR ILE LEU THR ASP PHE ILE LYS ARG ILE GLN LYS LYS SEQRES 11 A 185 PHE PRO SER TRP THR LYS ASP GLN GLN LEU LYS GLY GLY SEQRES 12 A 185 ILE SER ALA TYR ASN ALA GLY ALA GLY ASN VAL ARG SER SEQRES 13 A 185 TYR ALA ARG MET ASP ILE GLY THR THR HIS ASP ASP TYR SEQRES 14 A 185 ALA ASN ASP VAL VAL ALA ARG ALA GLN TYR TYR LYS GLN SEQRES 15 A 185 HIS GLY TYR HET BUL A 295 35 HETNAM BUL BULGECIN A FORMUL 2 BUL C16 H29 N3 O14 S2 FORMUL 3 HOH *109(H2 O) HELIX 1 1 VAL A 8 ARG A 10 5 3 HELIX 2 2 CYS A 18 ALA A 21 1 4 HELIX 3 3 GLY A 30 ARG A 40 1 11 HELIX 4 4 LEU A 42 ARG A 47 1 6 HELIX 5 5 LYS A 49 LEU A 59 1 11 HELIX 6 6 PRO A 63 GLU A 73 1 11 HELIX 7 7 GLU A 110 LYS A 130 1 21 HELIX 8 8 LYS A 136 ALA A 149 1 14 HELIX 9 9 ALA A 151 ASN A 153 5 3 HELIX 10 10 THR A 165 ASP A 167 5 3 HELIX 11 11 TYR A 169 HIS A 183 1 15 SHEET 1 A 2 GLY A 90 PHE A 91 0 SHEET 2 A 2 VAL A 96 ASP A 97 -1 N VAL A 96 O PHE A 91 SSBOND 1 CYS A 4 CYS A 60 1555 1555 2.29 SSBOND 2 CYS A 18 CYS A 29 1555 1555 1.91 SITE 1 AC1 15 GLU A 73 GLY A 85 ARG A 87 GLY A 88 SITE 2 AC1 15 ASN A 89 GLY A 90 GLN A 95 ASP A 97 SITE 3 AC1 15 SER A 100 HIS A 101 PHE A 123 TYR A 147 SITE 4 AC1 15 ASN A 148 GLY A 150 HOH A 233 CRYST1 91.690 65.330 38.150 90.00 90.00 90.00 P 21 21 2 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 0.010906 0.000000 0.000000 -0.25000 SCALE2 0.000000 0.015307 0.000000 -0.25000 SCALE3 0.000000 0.000000 0.026212 -0.25000