HEADER HYDROLASE 21-NOV-00 1G8T TITLE SM ENDONUCLEASE FROM SERATIA MARCENSCENS AT 1.1 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: NUCLEASE SM2 ISOFORM; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.1.30.2; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: MG BINDING SITE AT RESIDUE 127 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS; SOURCE 3 ORGANISM_TAXID: 615; SOURCE 4 EXPRESSION_SYSTEM: SERRATIA MARCESCENS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 615 KEYWDS ENDONUCLEASE, HYDROLASE, NUCLEASE, MAGNESIUM EXPDTA X-RAY DIFFRACTION AUTHOR V.V.LUNIN,M.PERBANDT,C.H.BETZEL,A.M.MIKHAILOV REVDAT 4 09-AUG-23 1G8T 1 REMARK LINK REVDAT 3 24-FEB-09 1G8T 1 VERSN REVDAT 2 13-DEC-00 1G8T 3 ATOM LINK REMARK REVDAT 1 06-DEC-00 1G8T 0 JRNL AUTH S.V.SHLYAPNIKOV,V.V.LUNIN,M.PERBANDT,K.M.POLYAKOV,V.Y.LUNIN, JRNL AUTH 2 V.M.LEVDIKOV,C.BETZEL,A.M.MIKHAILOV JRNL TITL ATOMIC STRUCTURE OF THE SERRATIA MARCESCENS ENDONUCLEASE AT JRNL TITL 2 1.1 A RESOLUTION AND THE ENZYME REACTION MECHANISM. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 56 567 2000 JRNL REFN ISSN 0907-4449 JRNL PMID 10771425 JRNL DOI 10.1107/S090744490000322X REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 4.0.2 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) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.5 REMARK 3 NUMBER OF REFLECTIONS : 198103 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : EVERY 20TH REFLECTION REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.129 REMARK 3 FREE R VALUE : 0.156 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3699 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 849 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL 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) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; 0.041 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 1G8T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-NOV-00. REMARK 100 THE DEPOSITION ID IS D_1000012376. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.847 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 : 216595 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.5 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04100 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1SMN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 53.19500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.83500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 53.19500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.83500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2760 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18680 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -77.0 KCAL/MOL 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ASP A 1 REMARK 465 THR A 2 REMARK 465 LEU A 3 REMARK 465 GLU A 4 REMARK 465 ASP B 1 REMARK 465 THR B 2 REMARK 465 LEU B 3 REMARK 465 GLU B 4 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 GLN A 161 OE1 NE2 REMARK 470 LEU B 93 CB 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 OD1 ASN A 193 O HOH A 1145 1.98 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 CG1 ILE A 217 O HOH B 923 4556 1.75 REMARK 500 CG1 ILE B 217 O HOH A 1175 4457 1.84 REMARK 500 ND1 HIS B 26 O HOH B 858 3446 1.98 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 ARG A 57 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ARG A 57 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 87 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ASP A 101 CB - CG - OD2 ANGL. DEV. = -7.9 DEGREES REMARK 500 ARG A 125 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 125 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG A 125 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG A 131 CD - NE - CZ ANGL. DEV. = 10.0 DEGREES REMARK 500 GLU A 151 O - C - N ANGL. DEV. = -17.0 DEGREES REMARK 500 ASP A 153 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ARG A 204 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 213 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 HIS B 26 ND1 - CG - CD2 ANGL. DEV. = -12.2 DEGREES REMARK 500 HIS B 26 CG - CD2 - NE2 ANGL. DEV. = 11.6 DEGREES REMARK 500 LEU B 30 CA - CB - CG ANGL. DEV. = 24.1 DEGREES REMARK 500 ARG B 87 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 ARG B 136 NH1 - CZ - NH2 ANGL. DEV. = -6.7 DEGREES REMARK 500 ARG B 136 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 LEU B 149 CA - CB - CG ANGL. DEV. = 17.4 DEGREES REMARK 500 ASP B 153 CB - CG - OD1 ANGL. DEV. = 7.1 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 ALA A 10 -44.50 68.95 REMARK 500 LYS A 37 7.90 80.47 REMARK 500 GLN A 90 -74.86 -86.45 REMARK 500 ASN A 177 -112.26 65.32 REMARK 500 ALA B 10 -43.93 68.65 REMARK 500 LYS B 37 7.28 82.96 REMARK 500 GLN B 90 -73.01 -86.76 REMARK 500 ASN B 177 -118.12 62.23 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 GLU A 151 -27.79 REMARK 500 REMARK 500 REMARK: NULL 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 MG A 810 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 119 OD1 REMARK 620 2 HOH A1163 O 100.0 REMARK 620 3 HOH A1164 O 81.2 65.8 REMARK 620 4 HOH A1246 O 95.1 32.4 96.3 REMARK 620 5 HOH A1247 O 89.0 135.9 73.3 168.2 REMARK 620 6 HOH A1248 O 96.6 49.5 20.4 81.8 86.8 REMARK 620 7 HOH A1249 O 82.5 127.7 160.7 95.4 96.1 177.0 REMARK 620 8 HOH A1250 O 169.3 87.8 108.8 87.5 90.4 94.0 86.9 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 811 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 119 OD1 REMARK 620 2 HOH B1216 O 95.3 REMARK 620 3 HOH B1217 O 86.8 168.9 REMARK 620 4 HOH B1218 O 85.4 95.2 95.8 REMARK 620 5 HOH B1219 O 96.7 82.0 87.0 176.6 REMARK 620 6 HOH B1220 O 170.9 88.9 90.6 86.2 91.9 REMARK 620 N 1 2 3 4 5 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 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 804 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 810 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 811 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SMN RELATED DB: PDB REMARK 900 EXTRACELLULAR ENDONUCLEASE FROM SERRATIA MARCESCENS DBREF 1G8T A 1 245 UNP P13717 NUCA_SERMA 1 245 DBREF 1G8T B 1 245 UNP P13717 NUCA_SERMA 1 245 SEQRES 1 A 245 ASP THR LEU GLU SER ILE ASP ASN CYS ALA VAL GLY CYS SEQRES 2 A 245 PRO THR GLY GLY SER SER ASN VAL SER ILE VAL ARG HIS SEQRES 3 A 245 ALA TYR THR LEU ASN ASN ASN SER THR THR LYS PHE ALA SEQRES 4 A 245 ASN TRP VAL ALA TYR HIS ILE THR LYS ASP THR PRO ALA SEQRES 5 A 245 SER GLY LYS THR ARG ASN TRP LYS THR ASP PRO ALA LEU SEQRES 6 A 245 ASN PRO ALA ASP THR LEU ALA PRO ALA ASP TYR THR GLY SEQRES 7 A 245 ALA ASN ALA ALA LEU LYS VAL ASP ARG GLY HIS GLN ALA SEQRES 8 A 245 PRO LEU ALA SER LEU ALA GLY VAL SER ASP TRP GLU SER SEQRES 9 A 245 LEU ASN TYR LEU SER ASN ILE THR PRO GLN LYS SER ASP SEQRES 10 A 245 LEU ASN GLN GLY ALA TRP ALA ARG LEU GLU ASP GLN GLU SEQRES 11 A 245 ARG LYS LEU ILE ASP ARG ALA ASP ILE SER SER VAL TYR SEQRES 12 A 245 THR VAL THR GLY PRO LEU TYR GLU ARG ASP MET GLY LYS SEQRES 13 A 245 LEU PRO GLY THR GLN LYS ALA HIS THR ILE PRO SER ALA SEQRES 14 A 245 TYR TRP LYS VAL ILE PHE ILE ASN ASN SER PRO ALA VAL SEQRES 15 A 245 ASN HIS TYR ALA ALA PHE LEU PHE ASP GLN ASN THR PRO SEQRES 16 A 245 LYS GLY ALA ASP PHE CYS GLN PHE ARG VAL THR VAL ASP SEQRES 17 A 245 GLU ILE GLU LYS ARG THR GLY LEU ILE ILE TRP ALA GLY SEQRES 18 A 245 LEU PRO ASP ASP VAL GLN ALA SER LEU LYS SER LYS PRO SEQRES 19 A 245 GLY VAL LEU PRO GLU LEU MET GLY CYS LYS ASN SEQRES 1 B 245 ASP THR LEU GLU SER ILE ASP ASN CYS ALA VAL GLY CYS SEQRES 2 B 245 PRO THR GLY GLY SER SER ASN VAL SER ILE VAL ARG HIS SEQRES 3 B 245 ALA TYR THR LEU ASN ASN ASN SER THR THR LYS PHE ALA SEQRES 4 B 245 ASN TRP VAL ALA TYR HIS ILE THR LYS ASP THR PRO ALA SEQRES 5 B 245 SER GLY LYS THR ARG ASN TRP LYS THR ASP PRO ALA LEU SEQRES 6 B 245 ASN PRO ALA ASP THR LEU ALA PRO ALA ASP TYR THR GLY SEQRES 7 B 245 ALA ASN ALA ALA LEU LYS VAL ASP ARG GLY HIS GLN ALA SEQRES 8 B 245 PRO LEU ALA SER LEU ALA GLY VAL SER ASP TRP GLU SER SEQRES 9 B 245 LEU ASN TYR LEU SER ASN ILE THR PRO GLN LYS SER ASP SEQRES 10 B 245 LEU ASN GLN GLY ALA TRP ALA ARG LEU GLU ASP GLN GLU SEQRES 11 B 245 ARG LYS LEU ILE ASP ARG ALA ASP ILE SER SER VAL TYR SEQRES 12 B 245 THR VAL THR GLY PRO LEU TYR GLU ARG ASP MET GLY LYS SEQRES 13 B 245 LEU PRO GLY THR GLN LYS ALA HIS THR ILE PRO SER ALA SEQRES 14 B 245 TYR TRP LYS VAL ILE PHE ILE ASN ASN SER PRO ALA VAL SEQRES 15 B 245 ASN HIS TYR ALA ALA PHE LEU PHE ASP GLN ASN THR PRO SEQRES 16 B 245 LYS GLY ALA ASP PHE CYS GLN PHE ARG VAL THR VAL ASP SEQRES 17 B 245 GLU ILE GLU LYS ARG THR GLY LEU ILE ILE TRP ALA GLY SEQRES 18 B 245 LEU PRO ASP ASP VAL GLN ALA SER LEU LYS SER LYS PRO SEQRES 19 B 245 GLY VAL LEU PRO GLU LEU MET GLY CYS LYS ASN HET SO4 A 801 5 HET SO4 A 804 5 HET MG A 810 1 HET SO4 B 802 5 HET SO4 B 803 5 HET MG B 811 1 HETNAM SO4 SULFATE ION HETNAM MG MAGNESIUM ION FORMUL 3 SO4 4(O4 S 2-) FORMUL 5 MG 2(MG 2+) FORMUL 9 HOH *849(H2 O) HELIX 1 1 ASN A 66 THR A 70 5 5 HELIX 2 2 ALA A 72 THR A 77 5 6 HELIX 3 3 GLY A 78 LYS A 84 1 7 HELIX 4 4 PRO A 92 ALA A 97 1 6 HELIX 5 5 ASP A 101 ASN A 106 5 6 HELIX 6 6 SER A 116 GLN A 120 1 5 HELIX 7 7 GLY A 121 ILE A 134 1 14 HELIX 8 8 ASP A 199 PHE A 203 5 5 HELIX 9 9 THR A 206 GLY A 215 1 10 HELIX 10 10 PRO A 223 SER A 232 1 10 HELIX 11 11 VAL A 236 GLY A 242 5 7 HELIX 12 12 ASN B 66 THR B 70 5 5 HELIX 13 13 ALA B 72 THR B 77 5 6 HELIX 14 14 GLY B 78 LYS B 84 1 7 HELIX 15 15 PRO B 92 ALA B 97 1 6 HELIX 16 16 ASP B 101 ASN B 106 5 6 HELIX 17 17 SER B 116 GLN B 120 1 5 HELIX 18 18 GLY B 121 LEU B 133 1 13 HELIX 19 19 ILE B 134 ARG B 136 5 3 HELIX 20 20 ASP B 199 PHE B 203 5 5 HELIX 21 21 THR B 206 GLY B 215 1 10 HELIX 22 22 PRO B 223 SER B 232 1 10 HELIX 23 23 VAL B 236 GLY B 242 5 7 SHEET 1 A 6 ILE A 23 VAL A 24 0 SHEET 2 A 6 THR A 29 ASN A 32 -1 O LEU A 30 N ILE A 23 SHEET 3 A 6 ALA A 39 ILE A 46 -1 N ASN A 40 O ASN A 31 SHEET 4 A 6 VAL A 142 LEU A 149 -1 O VAL A 142 N ILE A 46 SHEET 5 A 6 ALA A 169 ILE A 176 -1 O ALA A 169 N LEU A 149 SHEET 6 A 6 TYR A 185 ASP A 191 -1 O ALA A 186 N ILE A 174 SHEET 1 B 2 VAL A 85 HIS A 89 0 SHEET 2 B 2 ILE A 111 LYS A 115 -1 O THR A 112 N GLY A 88 SHEET 1 C 6 ILE B 23 VAL B 24 0 SHEET 2 C 6 THR B 29 ASN B 32 -1 O LEU B 30 N ILE B 23 SHEET 3 C 6 ALA B 39 ILE B 46 -1 N ASN B 40 O ASN B 31 SHEET 4 C 6 VAL B 142 LEU B 149 -1 O VAL B 142 N ILE B 46 SHEET 5 C 6 ALA B 169 ILE B 176 -1 O ALA B 169 N LEU B 149 SHEET 6 C 6 TYR B 185 ASP B 191 -1 O ALA B 186 N ILE B 174 SHEET 1 D 2 VAL B 85 HIS B 89 0 SHEET 2 D 2 ILE B 111 LYS B 115 -1 O THR B 112 N GLY B 88 SSBOND 1 CYS A 9 CYS A 13 1555 1555 2.28 SSBOND 2 CYS A 201 CYS A 243 1555 1555 2.17 SSBOND 3 CYS B 9 CYS B 13 1555 1555 2.24 SSBOND 4 CYS B 201 CYS B 243 1555 1555 2.16 LINK NH1BARG A 57 S SO4 A 801 1555 1555 1.54 LINK CZ BARG A 57 O2 SO4 A 801 1555 1555 1.63 LINK NH1BARG A 57 O2 SO4 A 801 1555 1555 1.44 LINK NH2BARG A 57 O2 SO4 A 801 1555 1555 1.65 LINK NH1BARG A 57 O4 SO4 A 801 1555 1555 1.42 LINK NH2BARG B 57 S SO4 B 802 1555 1555 1.56 LINK NH2BARG B 57 O4 SO4 B 802 1555 1555 1.76 LINK OD1 ASN A 119 MG MG A 810 1555 1555 2.07 LINK MG MG A 810 O HOH A1163 1555 1555 2.69 LINK MG MG A 810 O HOH A1164 1555 1555 3.03 LINK MG MG A 810 O HOH A1246 1555 1555 2.12 LINK MG MG A 810 O HOH A1247 1555 1555 2.02 LINK MG MG A 810 O HOH A1248 1555 1555 2.09 LINK MG MG A 810 O HOH A1249 1555 1555 2.08 LINK MG MG A 810 O HOH A1250 1555 1555 2.06 LINK OD1 ASN B 119 MG MG B 811 1555 1555 2.02 LINK MG MG B 811 O HOH B1216 1555 1555 2.11 LINK MG MG B 811 O HOH B1217 1555 1555 2.04 LINK MG MG B 811 O HOH B1218 1555 1555 2.06 LINK MG MG B 811 O HOH B1219 1555 1555 2.13 LINK MG MG B 811 O HOH B1220 1555 1555 2.07 SITE 1 AC1 7 ARG A 57 ASN A 119 HOH A 939 HOH A1136 SITE 2 AC1 7 HOH A1163 HOH A1246 HOH A1248 SITE 1 AC2 11 ASN A 20 ARG B 57 ARG B 87 HIS B 89 SITE 2 AC2 11 ASN B 119 HOH B 948 HOH B1138 HOH B1139 SITE 3 AC2 11 HOH B1189 HOH B1216 HOH B1219 SITE 1 AC3 8 HOH A 914 HOH A 938 THR B 77 GLY B 78 SITE 2 AC3 8 ARG B 87 HOH B 861 HOH B 870 HOH B1107 SITE 1 AC4 8 ARG A 25 LYS A 84 TYR A 107 HOH A 905 SITE 2 AC4 8 HOH A 964 HOH A1153 HOH A1174 HOH A1233 SITE 1 AC5 8 ASN A 119 HOH A1163 HOH A1164 HOH A1246 SITE 2 AC5 8 HOH A1247 HOH A1248 HOH A1249 HOH A1250 SITE 1 AC6 6 ASN B 119 HOH B1216 HOH B1217 HOH B1218 SITE 2 AC6 6 HOH B1219 HOH B1220 CRYST1 106.390 73.670 68.120 90.00 90.00 90.00 P 21 21 2 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 0.009399 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013574 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014680 0.00000