HEADER HYDROLASE(ENDORIBONUCLEASE) 07-JUN-93 1RGA TITLE CRYSTAL STRUCTURE OF RNASE T1 WITH 3'-GMP AND GUANOSINE: A PRODUCT TITLE 2 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE T1; 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 I.ZEGERS,L.WYNS REVDAT 4 16-OCT-24 1RGA 1 COMPND REMARK HET HETNAM REVDAT 4 2 1 FORMUL LINK SITE ATOM REVDAT 3 29-NOV-17 1RGA 1 HELIX REVDAT 2 24-FEB-09 1RGA 1 VERSN REVDAT 1 31-OCT-93 1RGA 0 JRNL AUTH I.ZEGERS,A.F.HAIKAL,R.PALMER,L.WYNS JRNL TITL CRYSTAL STRUCTURE OF RNASE T1 WITH 3'-GUANYLIC ACID AND JRNL TITL 2 GUANOSINE. JRNL REF J.BIOL.CHEM. V. 269 127 1994 JRNL REFN ISSN 0021-9258 JRNL PMID 8276784 REMARK 2 REMARK 2 RESOLUTION. 1.70 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 10107 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) : 0.145 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 : 781 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 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) : 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) : 0.021 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.059 ; 0.050 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.068 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.013 ; 0.015 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.243 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.149 ; 0.150 REMARK 3 MULTIPLE TORSION (A) : 0.137 ; 0.150 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.140 ; 0.150 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 1RGA 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_1000176070. 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 (%): 43.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 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 23.65000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 20.05000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.35000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 20.05000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.65000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.35000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 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 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 A 58 CD GLU A 58 OE2 -0.067 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 TYR A 4 CB - CG - CD1 ANGL. DEV. = -4.5 DEGREES REMARK 500 SER A 13 CA - CB - OG ANGL. DEV. = -16.5 DEGREES REMARK 500 ASP A 15 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 TYR A 24 CB - CG - CD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 TYR A 24 CG - CD2 - CE2 ANGL. DEV. = -5.0 DEGREES REMARK 500 TYR A 24 CD1 - CE1 - CZ ANGL. DEV. = -6.8 DEGREES REMARK 500 VAL A 33 O - C - N ANGL. DEV. = 10.3 DEGREES REMARK 500 ASN A 36 N - CA - CB ANGL. DEV. = 11.6 DEGREES REMARK 500 TYR A 42 CB - CG - CD2 ANGL. DEV. = -9.1 DEGREES REMARK 500 TYR A 42 CB - CG - CD1 ANGL. DEV. = 5.2 DEGREES REMARK 500 TYR A 45 CB - CG - CD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 TYR A 45 CB - CG - CD1 ANGL. DEV. = 4.8 DEGREES REMARK 500 PHE A 48 CB - CG - CD2 ANGL. DEV. = -5.1 DEGREES REMARK 500 PHE A 48 O - C - N ANGL. DEV. = 12.5 DEGREES REMARK 500 ASP A 49 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 PHE A 50 CB - CG - CD2 ANGL. DEV. = -10.1 DEGREES REMARK 500 PHE A 50 CB - CG - CD1 ANGL. DEV. = 7.5 DEGREES REMARK 500 PHE A 50 O - C - N ANGL. DEV. = 10.8 DEGREES REMARK 500 SER A 54 N - CA - CB ANGL. DEV. = -14.7 DEGREES REMARK 500 TYR A 56 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 GLY A 70 CA - C - O ANGL. DEV. = 11.8 DEGREES REMARK 500 ALA A 75 N - CA - CB ANGL. DEV. = -9.2 DEGREES REMARK 500 ARG A 77 NE - CZ - NH1 ANGL. DEV. = 6.0 DEGREES REMARK 500 GLU A 82 OE1 - CD - OE2 ANGL. DEV. = 10.2 DEGREES REMARK 500 ASN A 84 CB - CG - OD1 ANGL. DEV. = -12.9 DEGREES REMARK 500 LEU A 86 CB - CG - CD2 ANGL. DEV. = -11.1 DEGREES REMARK 500 ILE A 90 O - C - N ANGL. DEV. = 11.9 DEGREES REMARK 500 SER A 96 N - CA - CB ANGL. DEV. = 9.8 DEGREES REMARK 500 CYS A 103 CA - CB - SG 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 SER A 37 73.85 47.13 REMARK 500 SER A 37 73.85 50.26 REMARK 500 ASN A 81 -167.13 -109.35 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 199 DISTANCE = 8.34 ANGSTROMS REMARK 525 HOH A 238 DISTANCE = 6.64 ANGSTROMS REMARK 525 HOH A 247 DISTANCE = 6.04 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 107 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 15 OD1 REMARK 620 2 ASP A 15 OD2 52.7 REMARK 620 3 HOH A 137 O 80.9 76.5 REMARK 620 4 HOH A 141 O 74.2 79.6 152.7 REMARK 620 5 HOH A 167 O 71.9 124.6 95.9 86.9 REMARK 620 6 HOH A 169 O 132.9 80.4 92.8 96.0 154.9 REMARK 620 7 HOH A 171 O 139.6 143.8 131.6 75.6 80.2 76.4 REMARK 620 8 HOH A 205 O 135.9 132.2 63.5 143.7 86.1 76.8 68.1 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: BI1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: BI2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: CAL REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3GP A 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GMP A 106 DBREF 1RGA 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 CA A 107 1 HET 3GP A 105 24 HET GMP A 106 20 HETNAM CA CALCIUM ION HETNAM 3GP GUANOSINE-3'-MONOPHOSPHATE HETNAM GMP GUANOSINE FORMUL 2 CA CA 2+ FORMUL 3 3GP C10 H14 N5 O8 P FORMUL 4 GMP C10 H13 N5 O5 FORMUL 5 HOH *142(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 2.04 SSBOND 2 CYS A 6 CYS A 103 1555 1555 2.02 LINK OD1 ASP A 15 CA CA A 107 1555 1555 2.68 LINK OD2 ASP A 15 CA CA A 107 1555 1555 2.37 LINK CA CA A 107 O HOH A 137 1555 1555 2.47 LINK CA CA A 107 O HOH A 141 1555 1555 2.40 LINK CA CA A 107 O HOH A 167 1555 1555 2.39 LINK CA CA A 107 O HOH A 169 1555 1555 2.45 LINK CA CA A 107 O HOH A 171 1555 1555 2.42 LINK CA CA A 107 O HOH A 205 1555 1555 2.53 CISPEP 1 TYR A 38 PRO A 39 0 -1.92 CISPEP 2 SER A 54 PRO A 55 0 -0.23 SITE 1 CAT 5 TYR A 38 HIS A 40 GLU A 58 ARG A 77 SITE 2 CAT 5 HIS A 92 SITE 1 BI1 5 TYR A 42 ASN A 43 ASN A 44 TYR A 45 SITE 2 BI1 5 GLU A 46 SITE 1 BI2 2 ARG A 77 HIS A 92 SITE 1 CAL 1 ASP A 15 SITE 1 AC1 7 ASP A 15 HOH A 137 HOH A 141 HOH A 167 SITE 2 AC1 7 HOH A 169 HOH A 171 HOH A 205 SITE 1 AC2 17 ASN A 36 TYR A 38 HIS A 40 LYS A 41 SITE 2 AC2 17 TYR A 42 ASN A 43 ASN A 44 TYR A 45 SITE 3 AC2 17 GLU A 46 ASP A 49 GLU A 58 ARG A 77 SITE 4 AC2 17 HIS A 92 ASN A 98 PHE A 100 GMP A 106 SITE 5 AC2 17 HOH A 230 SITE 1 AC3 16 ALA A 1 ASP A 29 GLY A 47 PHE A 48 SITE 2 AC3 16 ASP A 49 SER A 72 GLY A 74 ALA A 75 SITE 3 AC3 16 ARG A 77 HIS A 92 GLY A 97 ASN A 98 SITE 4 AC3 16 3GP A 105 HOH A 148 HOH A 156 HOH A 230 CRYST1 47.300 50.700 40.100 90.00 90.00 90.00 P 21 21 21 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 0.021142 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019724 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024938 0.00000