HEADER HYDROLASE(ENDORIBONUCLEASE) 10-JUL-87 1RNT TITLE RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURE OF THE TITLE 2 RIBONUCLEASE T1(ASTERISK)2(PRIME)-GUANYLIC ACID COMPLEX AT 1.9 TITLE 3 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE T1 ISOZYME; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.27.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ASPERGILLUS ORYZAE; SOURCE 3 ORGANISM_TAXID: 5062 KEYWDS HYDROLASE(ENDORIBONUCLEASE) EXPDTA X-RAY DIFFRACTION AUTHOR W.SAENGER,R.ARNI,U.HEINEMANN,R.TOKUOKA REVDAT 7 16-OCT-24 1RNT 1 REMARK REVDAT 6 29-NOV-17 1RNT 1 HELIX REVDAT 5 24-FEB-09 1RNT 1 VERSN REVDAT 4 15-JUL-93 1RNT 1 REMARK REVDAT 3 19-APR-89 1RNT 3 JRNL REMARK HETATM CONECT REVDAT 2 16-JAN-88 1RNT 1 SEQRES REVDAT 1 16-OCT-87 1RNT 0 JRNL AUTH R.ARNI,U.HEINEMANN,M.MASLOWSKA,R.TOKUOKA,W.SAENGER JRNL TITL RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURE JRNL TITL 2 OF THE RIBONUCLEASE T1(ASTERISK)2(PRIME)-GUANYLIC ACID JRNL TITL 3 COMPLEX AT 1.9 ANGSTROMS RESOLUTION JRNL REF ACTA CRYSTALLOGR.,SECT.B V. 43 548 1987 JRNL REFN ISSN 0108-7681 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.ARNI,U.HEINEMANN,R.TOKUOKA,W.SAENGER REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF THE RIBONUCLEASE REMARK 1 TITL 2 T1(ASTERISK)2(PRIME)-GMP COMPLEX AT 1.9-ANGSTROMS RESOLUTION REMARK 1 REF J.BIOL.CHEM. V. 263 15358 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.ARNI,U.HEINEMANN,W.SAENGER REMARK 1 TITL STRUKTUR UND FUNKTION DES ENZYMS RIBONUCLEASE T1 (GERMAN) REMARK 1 REF FRESENIUS Z.ANAL.CHEM. V. 327 67 1987 REMARK 1 REFN ISSN 0016-1152 REMARK 1 REFERENCE 3 REMARK 1 AUTH U.HEINEMANN,W.SAENGER REMARK 1 TITL MECHANISM OF GUANOSINE RECOGNITION AND RNA HYDROLYSIS BY REMARK 1 TITL 2 RIBONUCLEASE T1 REMARK 1 REF PURE APPL.CHEM. V. 57 417 1985 REMARK 1 REFN ISSN 0033-4545 REMARK 1 REFERENCE 4 REMARK 1 AUTH C.HILL,G.DODSON,U.HEINEMANN,W.SAENGER,Y.MITSUI,K.NAKAMURA, REMARK 1 AUTH 2 S.BORISOV,G.TISCHENKO,K.POLYAKOV,S.PAVLOVSKY REMARK 1 TITL THE STRUCTURAL AND SEQUENCE HOMOLOGY OF A FAMILY OF REMARK 1 TITL 2 MICROBIAL RIBONUCLEASES REMARK 1 REF TRENDS BIOCHEM.SCI.(PERS. V. 8 364 1983 REMARK 1 REF 2 ED.) REMARK 1 REFN ISSN 0376-5067 REMARK 1 REFERENCE 5 REMARK 1 AUTH U.HEINEMANN,W.SAENGER REMARK 1 TITL RIBONUCLEASE T1. MECHANISM OF SPECIFIC GUANINE RECOGNITION REMARK 1 TITL 2 AND RNA HYDROLYSIS REMARK 1 REF JERUSALEM SYMP.QUANTUM V. 16 265 1983 REMARK 1 REF 2 CHEM.BIOCHEM. REMARK 1 REFN ISSN 0075-3696 REMARK 1 REFERENCE 6 REMARK 1 AUTH U.HEINEMANN,W.SAENGER REMARK 1 TITL CRYSTALLOGRAPHIC STUDY OF MECHANISM OF RIBONUCLEASE REMARK 1 TITL 2 T1-CATALYSED SPECIFIC RNA HYDROLYSIS REMARK 1 REF J.BIOMOL.STRUCT.DYN. V. 1 523 1983 REMARK 1 REFN ISSN 0739-1102 REMARK 1 REFERENCE 7 REMARK 1 AUTH U.HEINEMANN,W.SAENGER REMARK 1 TITL SPECIFIC PROTEIN-NUCLEIC ACID RECOGNITION IN RIBONUCLEASE REMARK 1 TITL 2 T1-2(PRIME)-GUANYLIC ACID COMPLEX. AN X-RAY STUDY REMARK 1 REF NATURE V. 299 27 1982 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 8 REMARK 1 AUTH U.HEINEMANN,M.WERNITZ,A.PAEHLER,W.SAENGER,G.MENKE, REMARK 1 AUTH 2 H.RUETERJANS REMARK 1 TITL CRYSTALLIZATION OF A COMPLEX BETWEEN RIBONUCLEASE T1 AND REMARK 1 TITL 2 2(PRIME)-GUANYLIC ACID REMARK 1 REF EUR.J.BIOCHEM. V. 109 109 1980 REMARK 1 REFN ISSN 0014-2956 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 6788 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) : 0.191 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 : 777 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 91 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) : NULL 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) : 0.018 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.037 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL 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 1RNT 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_1000176146. 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 <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 (%): 42.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 23.40500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 20.22000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.05500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 20.22000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.40500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.05500 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 102 CG CD OE1 OE2 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 O HOH A 146 O HOH A 196 4465 1.92 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 28 CA - CB - CG ANGL. DEV. = 14.8 DEGREES REMARK 500 GLU A 28 CG - CD - OE1 ANGL. DEV. = 12.2 DEGREES REMARK 500 GLU A 28 CG - CD - OE2 ANGL. DEV. = -12.1 DEGREES REMARK 500 ARG A 77 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 GLU A 82 CG - CD - OE1 ANGL. DEV. = 14.0 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 SER A 37 72.37 53.95 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 2GP A 105 DBREF 1RNT A 1 104 UNP P00651 RNT1_ASPOR 22 125 SEQRES 1 A 104 ALA CYS ASP TYR THR CYS GLY SER ASN CYS TYR SER SER SEQRES 2 A 104 SER ASP VAL SER THR ALA GLN ALA ALA GLY TYR LYS LEU SEQRES 3 A 104 HIS GLU ASP GLY GLU THR VAL GLY SER ASN SER TYR PRO SEQRES 4 A 104 HIS LYS TYR ASN ASN TYR GLU GLY PHE ASP PHE SER VAL SEQRES 5 A 104 SER SER PRO TYR TYR GLU TRP PRO ILE LEU SER SER GLY SEQRES 6 A 104 ASP VAL TYR SER GLY GLY SER PRO GLY ALA ASP ARG VAL SEQRES 7 A 104 VAL PHE ASN GLU ASN ASN GLN LEU ALA GLY VAL ILE THR SEQRES 8 A 104 HIS THR GLY ALA SER GLY ASN ASN PHE VAL GLU CYS THR HET 2GP A 105 24 HETNAM 2GP GUANOSINE-2'-MONOPHOSPHATE FORMUL 2 2GP C10 H14 N5 O8 P FORMUL 3 HOH *91(H2 O) HELIX 1 A SER A 13 ASP A 29 1 17 SHEET 1 S1 2 TYR A 4 CYS A 6 0 SHEET 2 S1 2 ASN A 9 SER A 12 -1 O TYR A 11 N TYR A 4 SHEET 1 S2 5 PRO A 39 TYR A 42 0 SHEET 2 S2 5 PRO A 55 LEU A 62 -1 O GLU A 58 N HIS A 40 SHEET 3 S2 5 ASP A 76 ASN A 81 -1 O VAL A 78 N TRP A 59 SHEET 4 S2 5 GLN A 85 THR A 91 -1 O ILE A 90 N ARG A 77 SHEET 5 S2 5 PHE A 100 CYS A 103 -1 N VAL A 101 O THR A 91 SSBOND 1 CYS A 2 CYS A 10 1555 1555 1.98 SSBOND 2 CYS A 6 CYS A 103 1555 1555 2.03 CISPEP 1 TYR A 38 PRO A 39 0 -2.18 CISPEP 2 SER A 54 PRO A 55 0 0.48 SITE 1 AC1 14 TYR A 38 HIS A 40 TYR A 42 ASN A 43 SITE 2 AC1 14 ASN A 44 TYR A 45 GLU A 46 GLU A 58 SITE 3 AC1 14 HIS A 92 ASN A 98 PHE A 100 HOH A 158 SITE 4 AC1 14 HOH A 179 HOH A 186 CRYST1 46.810 50.110 40.440 90.00 90.00 90.00 P 21 21 21 4 ORIGX1 0.021363 0.000000 0.000000 0.00000 ORIGX2 0.000000 0.019956 0.000000 0.00000 ORIGX3 0.000000 0.000000 0.024728 0.00000 SCALE1 0.021363 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019956 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024728 0.00000