HEADER HYDROLASE 07-MAR-01 1I70 TITLE CRYSTAL STRUCTURE OF RNASE SA Y86F MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANYL-SPECIFIC RIBONUCLEASE SA; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.1.27.3; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES AUREOFACIENS; SOURCE 3 ORGANISM_TAXID: 1894; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS MUTANT, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.SEVCIK,L.URBANIKOVA REVDAT 4 09-AUG-23 1I70 1 REMARK REVDAT 3 27-OCT-21 1I70 1 REMARK SEQADV REVDAT 2 24-FEB-09 1I70 1 VERSN REVDAT 1 19-SEP-01 1I70 0 JRNL AUTH C.N.PACE,G.HORN,E.J.HEBERT,J.BECHERT,K.SHAW,L.URBANIKOVA, JRNL AUTH 2 J.M.SCHOLTZ,J.SEVCIK JRNL TITL TYROSINE HYDROGEN BONDS MAKE A LARGE CONTRIBUTION TO PROTEIN JRNL TITL 2 STABILITY. JRNL REF J.MOL.BIOL. V. 312 393 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11554795 JRNL DOI 10.1006/JMBI.2001.4956 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.70 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 21828 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.131 REMARK 3 R VALUE (WORKING SET) : 0.130 REMARK 3 FREE R VALUE : 0.178 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1123 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1490 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 305 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.85 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.130 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.090 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.023 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.036 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.040 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL 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 1I70 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAR-01. REMARK 100 THE DEPOSITION ID IS D_1000012983. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-JUL-99 REMARK 200 TEMPERATURE (KELVIN) : 293.0 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LURE REMARK 200 BEAMLINE : D41A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.3800 REMARK 200 MONOCHROMATOR : FOCUSING CURVED MONO. REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 84702 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 30.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.21800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 7.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: STARTING MODEL WAS USED REMARK 200 WITHOUT MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: STARTING MODEL WAS USED WITHOUT MOLECULAR REMARK 200 REPLACEMENT REMARK 200 STARTING MODEL: PDB ENTRY 1RGG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, MONOSODIUM REMARK 280 PHOSPHATE, DISODIUM PHOSPHATE, PH 7.0, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 19.49000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.16000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.35000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.16000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.49000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.35000 REMARK 290 SMTRY3 4 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 466 O HOH A 499 2.06 REMARK 500 OE1 GLU B 54 O HOH B 134 2.07 REMARK 500 O HOH B 199 O HOH B 243 2.13 REMARK 500 OE2 GLU B 54 O HOH B 162 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 GLU A 14 OE1 - CD - OE2 ANGL. DEV. = -7.2 DEGREES REMARK 500 ASP A 25 CA - CB - CG ANGL. DEV. = -13.2 DEGREES REMARK 500 ARG A 40 CD - NE - CZ ANGL. DEV. = 14.1 DEGREES REMARK 500 ARG A 40 NE - CZ - NH2 ANGL. DEV. = -7.7 DEGREES REMARK 500 TYR A 51 CB - CG - CD1 ANGL. DEV. = 3.7 DEGREES REMARK 500 TYR A 52 CB - CG - CD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 TYR A 52 CB - CG - CD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 TYR A 52 CG - CD1 - CE1 ANGL. DEV. = 5.2 DEGREES REMARK 500 TYR A 52 CD1 - CE1 - CZ ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG A 63 NE - CZ - NH1 ANGL. DEV. = 8.1 DEGREES REMARK 500 ARG A 63 NE - CZ - NH2 ANGL. DEV. = -6.2 DEGREES REMARK 500 ARG A 65 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 65 NE - CZ - NH2 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 68 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 ARG A 69 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 GLU A 74 OE1 - CD - OE2 ANGL. DEV. = -9.1 DEGREES REMARK 500 GLU A 74 CG - CD - OE2 ANGL. DEV. = 12.9 DEGREES REMARK 500 TYR A 80 CB - CG - CD2 ANGL. DEV. = -5.3 DEGREES REMARK 500 ASP A 84 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 TYR B 30 CG - CD2 - CE2 ANGL. DEV. = -4.9 DEGREES REMARK 500 ASP B 33 CB - CG - OD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP B 33 CB - CG - OD2 ANGL. DEV. = -8.2 DEGREES REMARK 500 ARG B 40 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 TYR B 49 CB - CG - CD2 ANGL. DEV. = -4.4 DEGREES REMARK 500 GLU B 54 CA - CB - CG ANGL. DEV. = 15.2 DEGREES REMARK 500 GLU B 54 OE1 - CD - OE2 ANGL. DEV. = -8.0 DEGREES REMARK 500 GLU B 54 CG - CD - OE2 ANGL. DEV. = 14.7 DEGREES REMARK 500 ARG B 63 NE - CZ - NH2 ANGL. DEV. = -5.4 DEGREES REMARK 500 ARG B 65 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG B 65 NE - CZ - NH2 ANGL. DEV. = -6.0 DEGREES REMARK 500 ASP B 79 CB - CG - OD2 ANGL. DEV. = 7.7 DEGREES REMARK 500 TYR B 81 CB - CG - CD1 ANGL. DEV. = -4.6 DEGREES REMARK 500 PHE B 89 CE1 - CZ - CE2 ANGL. DEV. = 10.8 DEGREES 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 SO4 A 397 REMARK 999 REMARK 999 SEQUENCE REMARK 999 ACCORDING TO THE AUTHOR, THE ORIGINAL SEQUENCE OF THE REMARK 999 RNASE SA IN THE SEQUENCE DATABASE SWISSPROT ENTRY REMARK 999 P05798 IS WRONG. RESIDUE 72 IS THR, NOT CYS. THIS REMARK 999 ISSUE IS DISCUSSED IN THE PAPER: SEVCIK J., DAUTER Z., REMARK 999 LAMZIN V.S. AND WILSON K.S. (1996), ACTA CRYSTALLOGR. REMARK 999 D52, 327-344 ON THE BASIS OF ATOMIC RESOLUTION REMARK 999 REFINEMENT. DBREF 1I70 A 1 96 UNP P05798 RNSA_STRAU 1 96 DBREF 1I70 B 1 96 UNP P05798 RNSA_STRAU 1 96 SEQADV 1I70 THR A 72 UNP P05798 CYS 72 SEE REMARK 999 SEQADV 1I70 PHE A 86 UNP P05798 TYR 86 ENGINEERED MUTATION SEQADV 1I70 THR B 72 UNP P05798 CYS 72 SEE REMARK 999 SEQADV 1I70 PHE B 86 UNP P05798 TYR 86 ENGINEERED MUTATION SEQRES 1 A 96 ASP VAL SER GLY THR VAL CYS LEU SER ALA LEU PRO PRO SEQRES 2 A 96 GLU ALA THR ASP THR LEU ASN LEU ILE ALA SER ASP GLY SEQRES 3 A 96 PRO PHE PRO TYR SER GLN ASP GLY VAL VAL PHE GLN ASN SEQRES 4 A 96 ARG GLU SER VAL LEU PRO THR GLN SER TYR GLY TYR TYR SEQRES 5 A 96 HIS GLU TYR THR VAL ILE THR PRO GLY ALA ARG THR ARG SEQRES 6 A 96 GLY THR ARG ARG ILE ILE THR GLY GLU ALA THR GLN GLU SEQRES 7 A 96 ASP TYR TYR THR GLY ASP HIS PHE ALA THR PHE SER LEU SEQRES 8 A 96 ILE ASP GLN THR CYS SEQRES 1 B 96 ASP VAL SER GLY THR VAL CYS LEU SER ALA LEU PRO PRO SEQRES 2 B 96 GLU ALA THR ASP THR LEU ASN LEU ILE ALA SER ASP GLY SEQRES 3 B 96 PRO PHE PRO TYR SER GLN ASP GLY VAL VAL PHE GLN ASN SEQRES 4 B 96 ARG GLU SER VAL LEU PRO THR GLN SER TYR GLY TYR TYR SEQRES 5 B 96 HIS GLU TYR THR VAL ILE THR PRO GLY ALA ARG THR ARG SEQRES 6 B 96 GLY THR ARG ARG ILE ILE THR GLY GLU ALA THR GLN GLU SEQRES 7 B 96 ASP TYR TYR THR GLY ASP HIS PHE ALA THR PHE SER LEU SEQRES 8 B 96 ILE ASP GLN THR CYS HET SO4 A 397 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *305(H2 O) HELIX 1 1 SER A 9 LEU A 11 5 3 HELIX 2 2 PRO A 12 SER A 24 1 13 HELIX 3 3 SER B 9 LEU B 11 5 3 HELIX 4 4 PRO B 12 ASP B 25 1 14 SHEET 1 A 6 THR A 5 CYS A 7 0 SHEET 2 A 6 SER A 90 ASP A 93 1 O LEU A 91 N VAL A 6 SHEET 3 A 6 ASP A 79 THR A 82 -1 O ASP A 79 N ILE A 92 SHEET 4 A 6 ARG A 69 THR A 72 -1 N ARG A 69 O THR A 82 SHEET 5 A 6 HIS A 53 THR A 56 -1 O HIS A 53 N THR A 72 SHEET 6 A 6 VAL A 35 VAL A 36 -1 O VAL A 35 N GLU A 54 SHEET 1 B 6 THR B 5 CYS B 7 0 SHEET 2 B 6 SER B 90 ASP B 93 1 O LEU B 91 N VAL B 6 SHEET 3 B 6 ASP B 79 THR B 82 -1 O ASP B 79 N ILE B 92 SHEET 4 B 6 ARG B 69 THR B 72 -1 N ARG B 69 O THR B 82 SHEET 5 B 6 TYR B 52 THR B 56 -1 O HIS B 53 N THR B 72 SHEET 6 B 6 VAL B 35 PHE B 37 -1 O VAL B 35 N GLU B 54 SSBOND 1 CYS A 7 CYS A 96 1555 1555 2.00 SSBOND 2 CYS B 7 CYS B 96 1555 1555 2.01 CISPEP 1 GLY A 26 PRO A 27 0 9.39 CISPEP 2 GLY B 26 PRO B 27 0 2.56 SITE 1 AC1 8 ALA A 62 ARG A 63 THR A 64 HOH A 466 SITE 2 AC1 8 HOH A 473 HOH A 505 PRO B 12 ARG B 68 CRYST1 38.980 64.700 78.320 90.00 90.00 90.00 P 21 21 21 8 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 0.025654 -0.000001 -0.000001 0.00000 SCALE2 0.000000 0.015456 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012768 0.00000