HEADER ENDONUCLEASE 03-MAR-99 1QAE TITLE THE ACTIVE SITE OF SERRATIA ENDONUCLEASE CONTAINS A CONSERVED TITLE 2 MAGNESIUM-WATER CLUSTER COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (EXTRACELLULAR ENDONUCLEASE); COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.1.30.2; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS; SOURCE 3 ORGANISM_TAXID: 615; SOURCE 4 STRAIN: SM6; SOURCE 5 CELLULAR_LOCATION: EXTRACELLULAR; SOURCE 6 EXPRESSION_SYSTEM: SERRATIA MARCESCENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 615; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: PROTEASE DEFICIENT STRAIN; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PUC19NUC4OC; SOURCE 10 EXPRESSION_SYSTEM_GENE: NUCA KEYWDS NUCLEASE, DNASE, RNASE, SUGAR-NONSPECIFIC NUCLEASE, MAGNESIUM, KEYWDS 2 ENDONUCLEASE EXPDTA X-RAY DIFFRACTION AUTHOR M.D.MILLER,K.L.KRAUSE REVDAT 5 03-APR-24 1QAE 1 REMARK LINK REVDAT 4 18-APR-18 1QAE 1 REMARK REVDAT 3 04-OCT-17 1QAE 1 REMARK REVDAT 2 24-FEB-09 1QAE 1 VERSN REVDAT 1 18-MAY-99 1QAE 0 JRNL AUTH M.D.MILLER,J.CAI,K.L.KRAUSE JRNL TITL THE ACTIVE SITE OF SERRATIA ENDONUCLEASE CONTAINS A JRNL TITL 2 CONSERVED MAGNESIUM-WATER CLUSTER. JRNL REF J.MOL.BIOL. V. 288 975 1999 JRNL REFN ISSN 0022-2836 JRNL PMID 10329193 JRNL DOI 10.1006/JMBI.1999.2729 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.D.MILLER,K.L.KRAUSE REMARK 1 TITL IDENTIFICATION OF THE SERRATIA ENDONUCLEASE DIMER: REMARK 1 TITL 2 STRUCTURAL BASIS AND IMPLICATIONS FOR CATALYSIS REMARK 1 REF PROTEIN SCI. V. 5 24 1996 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.D.MILLER,J.TANNER,M.ALPAUGH,M.J.BENEDIK,K.L.KRAUSE REMARK 1 TITL 2.1 ANGSTROMS STRUCTURE OF SERRATIA ENDONUCLEASE SUGGESTS A REMARK 1 TITL 2 MECHANISM FOR BINDING TO DOUBLE-STRANDED DNA REMARK 1 REF NAT.STRUCT.BIOL. V. 1 461 1994 REMARK 1 REFN ISSN 1072-8368 REMARK 2 REMARK 2 RESOLUTION. 2.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.0 REMARK 3 NUMBER OF REFLECTIONS : 29209 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.167 REMARK 3 FREE R VALUE : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1483 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.05 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.18 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 49.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2728 REMARK 3 BIN R VALUE (WORKING SET) : 0.1920 REMARK 3 BIN FREE R VALUE : 0.2100 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 122 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3690 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 251 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.15 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.610 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.120 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.830 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.320 ; 2.250 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.530 ; 2.500 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : 0.782 ; 1.0 REMARK 3 GROUP 2 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 2 B-FACTOR (A**2) : 0.275 ; 0.3 REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 BULK SOLVENT MODEL USED, NCS B-FACTORS RESTRAINTS WERE APPLIED TO REMARK 3 PROTEIN REMARK 3 ATOMS AND PAIRS OF WATER MOLECULES WHICH DEVIATED LESS THAN 1.0 REMARK 3 ANGSTROMS FROM REMARK 3 REMARK 3 NCS. THE PROTEIN ATOMS ARE IN GROUP 1 AND THE WATER IS IN GROUP 2. REMARK 3 WATER HOH REMARK 3 1 SITS ON THE NON-CRYSTALLOGRAPHIC 2-FOLD AXIS AND IT IS ITS OWN REMARK 3 NCS MATE. THE REMARK 3 REMARK 3 WATER PAIRS IN GROUP 2 BEGIN WITH (HOH 2,HOH 3) AND END WITH REMARK 3 (HOH 188, REMARK 3 HOH 189). WATERS HOH 190 TO HOH 241 DO NOT HAVE NCS MATES REMARK 3 WITHIN 1.0 REMARK 3 ANGSTROMS. REMARK 3 REMARK 3 CRYST1 REMARK 3 THERE IS STRONG PSEUDO-CENTERING ARISING FROM THE REMARK 3 NON-CRYSTALLOGRAPHIC SYMMETRY. SHIFTING ONE MONOMER BY REMARK 3 ONLY 1.4 ANGSTROMS WITH A 1 DEGREE ROTATION WOULD CHANGE REMARK 3 THE SPACE GROUP TO I 2 2 2. REMARK 4 REMARK 4 1QAE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-MAR-99. REMARK 100 THE DEPOSITION ID IS D_1000009007. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-FEB-98 REMARK 200 TEMPERATURE (KELVIN) : 288 REMARK 200 PH : 8.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCOR, MADNESS REMARK 200 DATA SCALING SOFTWARE : PROCOR, XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30574 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.050 REMARK 200 RESOLUTION RANGE LOW (A) : 45.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.3 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.02500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 40.8700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 20.4 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.04500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 18.90 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: 1.4 ANGSTROM STRUCTURE OF THE SERRATIAL REMARK 200 ENDONUCLEASE (CAI, MILLER AND KRAUSE) WITH WATER AND ALTERNATE REMARK 200 SIDE CHAIN CONFORMERS REMOVED AND THE SIDE CHAINS FOR THE ACTIVE REMARK 200 SITE RESIDUES ARG 57, HIS 89, ASN 199 AND GLU 127 OMITTED REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZATION METHOD: VAPOR REMARK 280 DIFFUSION SITTING DROP CRYSTALLIZATION TEMPERATURE: 277 K REMARK 280 CRYSTALLIZATION PH: 4.6 CRYSTALS WERE GROWN FROM PEG 3350, REMARK 280 AMMONIUM SULFATE, SODIUM ACETATE, AND STORED IN A STABILIZATION REMARK 280 SOLUTION CONTAINING 20% PEG 3000, 400MM GLYCINE, 40MM TRIS, REMARK 280 PH8.2 (293 K), 20% PEG 3000, 10% PEG 400. THIS SOLUTION WAS REMARK 280 EXCHANGED THREE TIMES TO MINIMIZE CARRY OVER FROM THE STORAGE REMARK 280 SOLUTION. AFTER 3 DAYS IN THE MAGNESIUM STABILIZATION SOLUTION, REMARK 280 THE CRYSTAL OF DIMENSION 0.4 X 0.4 X 0.3 MM**2 WAS MOUNTED IN A REMARK 280 SILICONIZED SPECIAL GLASS CAPILLARY. , VAPOR DIFFUSION, SITTING REMARK 280 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 53.35000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.25000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 53.35000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.25000 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 300 REMARK: MTRIX REMARK 300 THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW REMARK 300 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE REMARK 300 VARIOUS DOMAINS IN THIS ENTRY. APPLYING THE APPROPRIATE REMARK 300 MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED REMARK 300 SECOND. REMARK 300 REMARK 300 APPLIED TO TRANSFORMED TO REMARK 300 MTRIX RESIDUES RESIDUES RMSD REMARK 300 M1 A 5 .. A 245 B 5 .. B 245 0.131 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 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 SER A 5 REMARK 465 ASP B 1 REMARK 465 THR B 2 REMARK 465 LEU B 3 REMARK 465 GLU B 4 REMARK 465 SER B 5 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 -51.38 68.14 REMARK 500 LYS A 37 6.74 83.81 REMARK 500 GLN A 90 -63.22 -92.61 REMARK 500 ALA A 97 -2.38 -56.74 REMARK 500 ASN A 177 -99.62 63.12 REMARK 500 ALA B 10 -47.09 65.48 REMARK 500 LYS B 37 6.79 83.08 REMARK 500 ALA B 52 134.28 -170.52 REMARK 500 GLN B 90 -62.54 -91.73 REMARK 500 ASN B 177 -95.88 61.80 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 251 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 119 OD1 REMARK 620 2 HOH A 252 O 96.2 REMARK 620 3 HOH A 253 O 87.2 102.9 REMARK 620 4 HOH A 254 O 80.4 157.5 99.2 REMARK 620 5 HOH A 255 O 85.4 79.7 172.4 77.9 REMARK 620 6 HOH A 256 O 171.4 92.4 90.4 91.9 96.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 251 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 119 OD1 REMARK 620 2 HOH B 252 O 97.6 REMARK 620 3 HOH B 253 O 90.8 98.1 REMARK 620 4 HOH B 254 O 83.7 158.6 103.3 REMARK 620 5 HOH B 255 O 84.6 76.2 172.0 82.7 REMARK 620 6 HOH B 256 O 177.3 85.0 89.5 93.6 95.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ASA REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE REGION IN MONOMER A WITH CATALYTIC REMARK 800 MAGNESIUM WATER CLUSTER REMARK 800 REMARK 800 SITE_IDENTIFIER: ASB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE REGION IN MONOMER B WITH CATALYTIC REMARK 800 MAGNESIUM WATER CLUSTER REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 251 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 251 REMARK 999 REMARK 999 SEQUENCE REMARK 999 REFERENCE REMARK 999 DATABASE: GENBANK REMARK 999 ENTRY_NAME: SMANUCES DBREF 1QAE A 1 245 UNP P13717 NUCA_SERMA 22 266 DBREF 1QAE B 1 245 UNP P13717 NUCA_SERMA 22 266 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 MG A 251 1 HET MG B 251 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *251(H2 O) HELIX 1 1 PRO A 67 ASP A 69 5 3 HELIX 2 2 PRO A 73 TYR A 76 5 4 HELIX 3 3 ALA A 79 LEU A 83 1 5 HELIX 4 4 LEU A 93 LEU A 96 1 4 HELIX 5 5 TRP A 102 ASN A 106 5 5 HELIX 6 6 LEU A 108 ASN A 110 5 3 HELIX 7 7 SER A 116 ASN A 119 1 4 HELIX 8 8 ALA A 122 LEU A 133 1 12 HELIX 9 9 PHE A 200 PHE A 203 5 4 HELIX 10 10 VAL A 207 THR A 214 1 8 HELIX 11 11 ASP A 224 LEU A 230 1 7 HELIX 12 12 LEU A 237 MET A 241 5 5 HELIX 13 13 PRO B 67 ASP B 69 5 3 HELIX 14 14 PRO B 73 TYR B 76 5 4 HELIX 15 15 ALA B 79 LEU B 83 1 5 HELIX 16 16 LEU B 93 LEU B 96 1 4 HELIX 17 17 TRP B 102 ASN B 106 5 5 HELIX 18 18 LEU B 108 ASN B 110 5 3 HELIX 19 19 SER B 116 ASN B 119 1 4 HELIX 20 20 ALA B 122 LEU B 133 1 12 HELIX 21 21 PHE B 200 PHE B 203 5 4 HELIX 22 22 VAL B 207 THR B 214 1 8 HELIX 23 23 ASP B 224 LEU B 230 1 7 HELIX 24 24 LEU B 237 MET B 241 5 5 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 2.03 SSBOND 2 CYS A 201 CYS A 243 1555 1555 2.03 SSBOND 3 CYS B 9 CYS B 13 1555 1555 2.03 SSBOND 4 CYS B 201 CYS B 243 1555 1555 2.03 LINK OD1 ASN A 119 MG MG A 251 1555 1555 2.14 LINK MG MG A 251 O HOH A 252 1555 1555 2.24 LINK MG MG A 251 O HOH A 253 1555 1555 2.23 LINK MG MG A 251 O HOH A 254 1555 1555 2.22 LINK MG MG A 251 O HOH A 255 1555 1555 2.29 LINK MG MG A 251 O HOH A 256 1555 1555 2.16 LINK OD1 ASN B 119 MG MG B 251 1555 1555 2.18 LINK MG MG B 251 O HOH B 252 1555 1555 2.19 LINK MG MG B 251 O HOH B 253 1555 1555 2.20 LINK MG MG B 251 O HOH B 254 1555 1555 2.16 LINK MG MG B 251 O HOH B 255 1555 1555 2.21 LINK MG MG B 251 O HOH B 256 1555 1555 2.17 SITE 1 ASA 9 HIS A 89 GLU A 127 ASN A 119 MG A 251 SITE 2 ASA 9 HOH A 252 HOH A 253 HOH A 254 HOH A 255 SITE 3 ASA 9 HOH A 256 SITE 1 ASB 9 HIS B 89 GLU B 127 ASN B 119 MG B 251 SITE 2 ASB 9 HOH B 252 HOH B 253 HOH B 254 HOH B 255 SITE 3 ASB 9 HOH B 256 SITE 1 AC1 6 ASN A 119 HOH A 252 HOH A 253 HOH A 254 SITE 2 AC1 6 HOH A 255 HOH A 256 SITE 1 AC2 6 ASN B 119 HOH B 252 HOH B 253 HOH B 254 SITE 2 AC2 6 HOH B 255 HOH B 256 CRYST1 106.700 74.500 68.900 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 0.009372 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013423 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014514 0.00000 MTRIX1 1 -0.999819 -0.018722 -0.003478 -1.08760 1 MTRIX2 1 -0.018758 0.999769 0.010535 -0.56390 1 MTRIX3 1 0.003280 0.010599 -0.999938 103.23040 1