HEADER HYDROLASE(GUANYLORIBONUCLEASE) 01-OCT-92 1GMP TITLE COMPLEX OF RIBONUCLEASE FROM STREPTOMYCES AUREOFACIENS WITH 2'-GMP AT TITLE 2 1.7 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE SA; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.1.27.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES AUREOFACIENS; SOURCE 3 ORGANISM_TAXID: 1894 KEYWDS HYDROLASE(GUANYLORIBONUCLEASE) EXPDTA X-RAY DIFFRACTION AUTHOR J.SEVCIK,C.HILL,Z.DAUTER,K.WILSON REVDAT 3 29-NOV-17 1GMP 1 HELIX REVDAT 2 24-FEB-09 1GMP 1 VERSN REVDAT 1 31-OCT-93 1GMP 0 JRNL AUTH J.SEVCIK,C.P.HILL,Z.DAUTER,K.S.WILSON JRNL TITL COMPLEX OF RIBONUCLEASE FROM STREPTOMYCES AUREOFACIENS WITH JRNL TITL 2 2'-GMP AT 1.7 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 49 257 1993 JRNL REFN ISSN 0907-4449 JRNL PMID 15299531 JRNL DOI 10.1107/S0907444992007261 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.SEVCIK,E.J.DODSON,G.G.DODSON REMARK 1 TITL CONTINUATION OF THE RNASE SA WORK AFTER 1SAR AND 2SAR REMARK 1 TITL 2 STRUCTURES REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 47 240 1991 REMARK 1 REFN ISSN 0108-7681 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) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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) : 0.133 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 : 1490 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 53 REMARK 3 SOLVENT ATOMS : 492 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) : 0.015 ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; 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 1GMP 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_1000173621. 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 (%): 47.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 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 32.35000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 19.55000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.40000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 19.55000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 32.35000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.40000 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 163 O HOH A 341 2.04 REMARK 500 O HOH A 241 O HOH B 202 2.07 REMARK 500 O HOH A 287 O HOH B 130 2.13 REMARK 500 NH2 ARG A 65 O HOH A 329 2.17 REMARK 500 REMARK 500 REMARK: NULL 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 CG GLN B 32 O HOH A 266 2655 1.36 REMARK 500 O HOH A 183 O HOH B 237 4556 2.12 REMARK 500 O HOH A 283 O HOH B 180 2654 2.12 REMARK 500 O HOH A 229 O HOH A 353 2655 2.13 REMARK 500 REMARK 500 REMARK: NULL 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 CYS A 72 CB CYS A 72 SG -0.109 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 25 CB - CG - OD1 ANGL. DEV. = -5.6 DEGREES REMARK 500 TYR A 30 CB - CG - CD1 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 40 CD - NE - CZ ANGL. DEV. = 10.2 DEGREES REMARK 500 ARG A 40 NE - CZ - NH1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ARG A 40 NE - CZ - NH1 ANGL. DEV. = 8.0 DEGREES REMARK 500 ARG A 40 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 40 NE - CZ - NH2 ANGL. DEV. = -8.9 DEGREES REMARK 500 TYR A 52 CB - CG - CD2 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG A 63 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 63 NE - CZ - NH2 ANGL. DEV. = -5.9 DEGREES REMARK 500 ARG A 68 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 GLU B 14 CG - CD - OE1 ANGL. DEV. = 15.0 DEGREES REMARK 500 TYR B 30 CB - CG - CD1 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG B 63 NE - CZ - NH1 ANGL. DEV. = 8.5 DEGREES REMARK 500 ARG B 63 NE - CZ - NH2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG B 65 NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG B 68 NE - CZ - NH2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP B 79 CB - CG - OD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TYR B 86 CB - CG - CD2 ANGL. DEV. = 4.6 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 B 3 44.57 -85.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THERE TOO MANY WATER MOLECULES AT BONDING DISTANCE FROM REMARK 600 ATOMS OF 2GP B. 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 98 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2GP A 97 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2GP B 97 DBREF 1GMP A 1 96 UNP P05798 RNSA_STRAU 1 96 DBREF 1GMP B 1 96 UNP P05798 RNSA_STRAU 1 96 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 CYS GLY GLU ALA THR GLN GLU SEQRES 7 A 96 ASP TYR TYR THR GLY ASP HIS TYR 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 CYS GLY GLU ALA THR GLN GLU SEQRES 7 B 96 ASP TYR TYR THR GLY ASP HIS TYR ALA THR PHE SER LEU SEQRES 8 B 96 ILE ASP GLN THR CYS HET SO4 A 98 5 HET 2GP A 97 24 HET 2GP B 97 24 HETNAM SO4 SULFATE ION HETNAM 2GP GUANOSINE-2'-MONOPHOSPHATE FORMUL 3 SO4 O4 S 2- FORMUL 4 2GP 2(C10 H14 N5 O8 P) FORMUL 6 HOH *492(H2 O) HELIX 1 H1 CYS A 7 LEU A 11 5ISOLATED TURN OF 3/10-HELIX 5 HELIX 2 H2 PRO A 13 ASP A 25 1REGULAR ALPHA HELIX 13 HELIX 3 H3 CYS B 7 LEU B 11 5ISOLATED TURN OF 3/10-HELIX 5 HELIX 4 H4 PRO B 13 ASP B 25 1REGULAR ALPHA HELIX 13 SHEET 1 S1 3 TYR A 51 VAL A 57 0 SHEET 2 S1 3 ARG A 68 GLU A 74 -1 SHEET 3 S1 3 GLU A 78 THR A 82 -1 SHEET 1 S2 3 TYR B 51 VAL B 57 0 SHEET 2 S2 3 ARG B 68 GLU B 74 -1 SHEET 3 S2 3 GLU B 78 THR B 82 -1 SSBOND 1 CYS A 7 CYS A 96 1555 1555 2.03 SSBOND 2 CYS B 7 CYS B 96 1555 1555 2.02 CISPEP 1 GLY A 26 PRO A 27 0 2.10 CISPEP 2 GLY B 26 PRO B 27 0 -1.12 SITE 1 AC1 8 ALA A 62 ARG A 63 THR A 64 HOH A 182 SITE 2 AC1 8 HOH A 237 PRO B 12 ARG B 68 HOH B 271 SITE 1 AC2 18 PHE A 37 GLN A 38 ASN A 39 ARG A 40 SITE 2 AC2 18 GLU A 41 GLU A 54 ARG A 65 ARG A 69 SITE 3 AC2 18 HIS A 85 TYR A 86 HOH A 167 HOH A 211 SITE 4 AC2 18 HOH A 213 HOH A 224 HOH A 262 SER B 3 SITE 5 AC2 18 THR B 5 VAL B 6 SITE 1 AC3 18 ASN A 20 HOH A 188 PHE B 37 GLN B 38 SITE 2 AC3 18 ASN B 39 ARG B 40 GLU B 41 GLU B 54 SITE 3 AC3 18 ARG B 65 ARG B 69 HIS B 85 TYR B 86 SITE 4 AC3 18 HOH B 98 HOH B 99 HOH B 100 HOH B 122 SITE 5 AC3 18 HOH B 165 HOH B 188 CRYST1 64.700 78.800 39.100 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 0.015456 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012690 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025575 0.00000