HEADER HYDROLASE 29-APR-98 1BB6 TITLE LYSOZYME COMPLEX WITH 4-METHYL-UMBELLIFERYL CHITOTRIOSE COMPND MOL_ID: 1; COMPND 2 MOLECULE: LYSOZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: N-ACETYL-MURAMIDASE; COMPND 5 EC: 3.2.1.17 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ONCORHYNCHUS MYKISS; SOURCE 3 ORGANISM_COMMON: RAINBOW TROUT; SOURCE 4 ORGANISM_TAXID: 8022; SOURCE 5 ORGAN: KIDNEY KEYWDS HYDROLASE, N-ACETYL-MURAMIDASE, UMBELLIFERONE GLYCOSIDES EXPDTA X-RAY DIFFRACTION AUTHOR V.B.VOLLAN,E.HOUGH,S.KARLSEN REVDAT 5 23-OCT-24 1BB6 1 REMARK SEQADV REVDAT 4 18-APR-18 1BB6 1 REMARK REVDAT 3 24-FEB-09 1BB6 1 VERSN REVDAT 2 01-APR-03 1BB6 1 JRNL REVDAT 1 04-MAY-99 1BB6 0 JRNL AUTH V.B.VOLLAN,E.HOUGH,S.KARLSEN JRNL TITL STRUCTURAL STUDIES ON THE BINDING OF 4-METHYLUMBELLIFERONE JRNL TITL 2 GLYCOSIDES OF CHITIN TO RAINBOW TROUT LYSOZYME. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 55 60 1999 JRNL REFN ISSN 0907-4449 JRNL PMID 10089395 JRNL DOI 10.1107/S0907444998006623 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.KARLSEN,E.HOUGH REMARK 1 TITL CRYSTAL STRUCTURES OF THREE COMPLEXES BETWEEN REMARK 1 TITL 2 CHITO-OLIGOSACCHARIDES AND LYSOZYME FROM THE RAINBOW TROUT. REMARK 1 TITL 3 HOW DISTORTED IS THE NAG SUGAR IN SITE D? REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 51 962 1995 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.KARLSEN,B.E.ELIASSEN,L.K.HANSEN,R.L.LARSEN,B.W.RIISE, REMARK 1 AUTH 2 A.O.SMALAS,E.HOUGH,B.GRINDE REMARK 1 TITL REFINED CRYSTAL STRUCTURE OF LYSOZYME FROM THE RAINBOW TROUT REMARK 1 TITL 2 (ONCORHYNCHUS MYKISS) REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 51 354 1995 REMARK 1 REFN ISSN 0907-4449 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 11404 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.211 REMARK 3 FREE R VALUE : 0.271 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 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 : 999 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 142 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.87 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) : 0.25 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) : 0.015 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.040 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.038 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.009 ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.028 ; 0.060 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.160 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.188 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL 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 1BB6 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_1000171549. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAR-96 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 10.0 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 : ENRAF-NONIUS FR571 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MADNES REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11445 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 28.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.5 REMARK 200 DATA REDUNDANCY : 1.800 REMARK 200 R MERGE (I) : 0.01000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 42.7 REMARK 200 DATA REDUNDANCY IN SHELL : 1.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: PHASES FOR NATIVE REMARK 200 STRUCTURE REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 10.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 18.23667 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 36.47333 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 36.47333 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 18.23667 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 N SER A 81 O HOH A 197 2655 0.56 REMARK 500 CG2 VAL A 2 OE1 GLN A 82 3664 1.09 REMARK 500 CG2 VAL A 2 CD GLN A 82 3664 1.25 REMARK 500 CA SER A 81 O HOH A 197 2655 1.34 REMARK 500 CB ASN A 39 O HOH A 241 3664 1.37 REMARK 500 O HOH A 231 O HOH A 231 4556 1.44 REMARK 500 OE1 GLN A 41 NE ARG A 79 3664 1.60 REMARK 500 CG ASN A 39 O HOH A 241 3664 1.65 REMARK 500 CB VAL A 2 CD GLN A 82 3664 1.66 REMARK 500 C CYS A 80 O HOH A 197 2655 1.79 REMARK 500 CG2 VAL A 2 NE2 GLN A 82 3664 1.80 REMARK 500 O VAL A 2 O HOH A 201 3664 1.84 REMARK 500 OE1 GLN A 41 CZ ARG A 79 3664 1.85 REMARK 500 CB VAL A 2 NE2 GLN A 82 3664 1.89 REMARK 500 CG1 VAL A 2 NE2 GLN A 82 3664 1.90 REMARK 500 CD GLN A 41 CZ ARG A 79 3664 1.91 REMARK 500 O HOH A 170 O HOH A 229 4556 1.92 REMARK 500 O HOH A 154 O HOH A 238 3665 1.93 REMARK 500 O HOH A 139 O HOH A 176 2655 1.95 REMARK 500 O HOH A 249 O HOH A 249 4556 1.96 REMARK 500 O HOH A 137 O HOH A 214 3664 1.97 REMARK 500 O PRO A 102 O HOH A 248 4556 1.97 REMARK 500 O ASP A 48 O HOH A 184 6766 2.00 REMARK 500 CG2 VAL A 90 O HOH A 181 2655 2.03 REMARK 500 CB SER A 81 O HOH A 197 2655 2.05 REMARK 500 CD GLN A 41 NH2 ARG A 79 3664 2.08 REMARK 500 CB VAL A 2 CG GLN A 82 3664 2.10 REMARK 500 CG GLN A 41 NH2 ARG A 79 3664 2.12 REMARK 500 OE1 GLN A 41 CD ARG A 79 3664 2.14 REMARK 500 CA ASN A 39 O HOH A 241 3664 2.15 REMARK 500 O HOH A 161 O HOH A 227 3665 2.17 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 ASP A 18 CB - CG - OD1 ANGL. DEV. = 6.6 DEGREES REMARK 500 ARG A 45 NE - CZ - NH1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 48 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 ARG A 61 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG A 68 CD - NE - CZ ANGL. DEV. = 15.4 DEGREES REMARK 500 ARG A 68 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 93 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 97 NE - CZ - NH1 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG A 97 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A 112 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 121 CD - NE - CZ ANGL. DEV. = 9.4 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: NUL REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTICALLY ACTIVE RESIDUES. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UMG A 130 DBREF 1BB6 A 1 129 UNP P11941 LYSC2_ONCMY 16 144 SEQADV 1BB6 ASP A 86 UNP P11941 ALA 101 CONFLICT SEQRES 1 A 129 LYS VAL TYR ASP ARG CYS GLU LEU ALA ARG ALA LEU LYS SEQRES 2 A 129 ALA SER GLY MET ASP GLY TYR ALA GLY ASN SER LEU PRO SEQRES 3 A 129 ASN TRP VAL CYS LEU SER LYS TRP GLU SER SER TYR ASN SEQRES 4 A 129 THR GLN ALA THR ASN ARG ASN THR ASP GLY SER THR ASP SEQRES 5 A 129 TYR GLY ILE PHE GLN ILE ASN SER ARG TYR TRP CYS ASP SEQRES 6 A 129 ASP GLY ARG THR PRO GLY ALA LYS ASN VAL CYS GLY ILE SEQRES 7 A 129 ARG CYS SER GLN LEU LEU THR ASP ASP LEU THR VAL ALA SEQRES 8 A 129 ILE ARG CYS ALA LYS ARG VAL VAL LEU ASP PRO ASN GLY SEQRES 9 A 129 ILE GLY ALA TRP VAL ALA TRP ARG LEU HIS CYS GLN ASN SEQRES 10 A 129 GLN ASP LEU ARG SER TYR VAL ALA GLY CYS GLY VAL HET UMG A 130 55 HETNAM UMG METHYL-UMBELLIFERTL-N-ACETYL-CHITOTRIOSE HETSYN UMG METHYLUMBELLIFERYL CHITOTRIOSE FORMUL 2 UMG C34 H47 N3 O18 FORMUL 3 HOH *142(H2 O) HELIX 1 1 ARG A 5 ALA A 14 1 10 HELIX 2 2 TYR A 20 GLY A 22 5 3 HELIX 3 3 LEU A 25 SER A 36 1 12 HELIX 4 4 CYS A 80 LEU A 83 5 4 HELIX 5 5 THR A 89 LEU A 100 1 12 HELIX 6 6 GLY A 104 ALA A 107 5 4 HELIX 7 7 VAL A 109 HIS A 114 1 6 HELIX 8 8 ARG A 121 VAL A 124 1 4 SHEET 1 A 2 THR A 43 ARG A 45 0 SHEET 2 A 2 THR A 51 TYR A 53 -1 N ASP A 52 O ASN A 44 SSBOND 1 CYS A 6 CYS A 127 1555 1555 2.02 SSBOND 2 CYS A 30 CYS A 115 1555 1555 2.01 SSBOND 3 CYS A 64 CYS A 80 1555 1555 2.02 SSBOND 4 CYS A 76 CYS A 94 1555 1555 2.03 SITE 1 NUL 2 GLU A 35 ASP A 52 SITE 1 AC1 20 ASN A 46 ASP A 52 ILE A 58 ASN A 59 SITE 2 AC1 20 TYR A 62 TRP A 63 VAL A 75 ARG A 97 SITE 3 AC1 20 ASP A 101 PRO A 102 ASN A 103 ALA A 107 SITE 4 AC1 20 TRP A 108 HOH A 149 HOH A 151 HOH A 219 SITE 5 AC1 20 HOH A 237 HOH A 259 HOH A 261 HOH A 273 CRYST1 76.690 76.690 54.710 90.00 90.00 120.00 P 31 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 0.013040 0.007528 0.000000 0.00000 SCALE2 0.000000 0.015057 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018278 0.00000