HEADER LIGASE 28-SEP-00 1FYD TITLE CRYSTAL STRUCTURE OF NH3-DEPENDENT NAD+ SYNTHETASE FROM BACILLUS TITLE 2 SUBTILIS COMPLEXED WITH ONE MOLECULE AMP, ONE PYROPHOSPHATE ION AND TITLE 3 ONE MG2+ ION COMPND MOL_ID: 1; COMPND 2 MOLECULE: NH(3)-DEPENDENT NAD(+) SYNTHETASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: NAD+SYNTHETASE; COMPND 5 EC: 6.3.5.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS LYASE, AMIDOTRANSFERASE, NH3 DEPENDENT, PYROPHOSPHATASE, LIGASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.DEVEDJIEV,J.SYMERSKY,R.SINGH,W.BROUILLETTE,D.MUCCIO,M.JEDRZEJAS, AUTHOR 2 C.BROUILLETTE,L.DELUCAS REVDAT 5 07-FEB-24 1FYD 1 REMARK LINK REVDAT 4 30-DEC-15 1FYD 1 ATOM VERSN REVDAT 3 24-FEB-09 1FYD 1 VERSN REVDAT 2 01-APR-03 1FYD 1 JRNL REVDAT 1 06-JUN-01 1FYD 0 JRNL AUTH Y.DEVEDJIEV,J.SYMERSKY,R.SINGH,M.JEDRZEJAS,C.BROUILLETTE, JRNL AUTH 2 W.BROUILLETTE,D.MUCCIO,D.CHATTOPADHYAY,L.DELUCAS JRNL TITL STABILIZATION OF ACTIVE-SITE LOOPS IN NH3-DEPENDENT NAD+ JRNL TITL 2 SYNTHETASE FROM BACILLUS SUBTILIS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 57 806 2001 JRNL REFN ISSN 0907-4449 JRNL PMID 11375500 JRNL DOI 10.1107/S0907444901003523 REMARK 2 REMARK 2 RESOLUTION. 2.25 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 24116 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.278 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4068 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 187 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 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) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 ALL PORTIONS OF THE BACKBONE IN SUBUNIT A ARE WELL ORDERED. REMARK 3 HOWEVER, BACKBONE ATOMS AND THE SIDE CHAINS OF RESIDUES REMARK 3 83-86 AND 205-225 IN SUBUNIT B ARE NOT VISIBLE ON THE REMARK 3 ELECTRON DENSITY MAP. ATP BINDING SITE IN SUBUNIT A IS FULL REMARK 3 OCCUPIED WITH AMP AND PP, HOWEVER, NO BINDING OF AMP, PP REMARK 3 AND MG2+ WAS FOUND IN SUBUNIT B. REMARK 4 REMARK 4 1FYD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-OCT-00. REMARK 100 THE DEPOSITION ID IS D_1000012011. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 5.2 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24198 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.1 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : 0.15000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 4.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 72.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.41000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH 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 (%): 43.92 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, SODIUM ACETATE, MAGNESIUM REMARK 280 CHLORIDE, ATP, PH 5.2, VAPOR DIFFUSION, TEMPERATURE 301.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 43.60000 REMARK 290 SMTRY3 2 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: THE BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTED FROM CHAIN A REMARK 300 A SYMMETRY PARTNER GENERATED BY TWO FOLD 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: 6400 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21380 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 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 THR B 1083 REMARK 465 GLN B 1084 REMARK 465 GLN B 1085 REMARK 465 ASP B 1086 REMARK 465 LYS B 1205 REMARK 465 GLU B 1206 REMARK 465 PRO B 1207 REMARK 465 THR B 1208 REMARK 465 ALA B 1209 REMARK 465 ASP B 1210 REMARK 465 LEU B 1211 REMARK 465 LEU B 1212 REMARK 465 ASP B 1213 REMARK 465 GLU B 1214 REMARK 465 LYS B 1215 REMARK 465 PRO B 1216 REMARK 465 GLN B 1217 REMARK 465 GLN B 1218 REMARK 465 SER B 1219 REMARK 465 ASP B 1220 REMARK 465 GLU B 1221 REMARK 465 THR B 1222 REMARK 465 GLU B 1223 REMARK 465 LEU B 1224 REMARK 465 GLY B 1225 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 LEU A 178 CA - CB - CG ANGL. DEV. = 14.6 DEGREES REMARK 500 LEU B1178 CA - CB - CG ANGL. DEV. = 15.8 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 LEU A 79 69.94 -116.25 REMARK 500 ASP A 86 36.62 -92.35 REMARK 500 TRP A 269 -34.07 -35.67 REMARK 500 LYS B1098 62.16 61.73 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 A2500 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 208 O REMARK 620 2 HOH A2186 O 97.6 REMARK 620 3 HOH A2187 O 97.6 106.1 REMARK 620 4 AMP A4000 O3P 99.7 81.0 160.2 REMARK 620 5 POP A5000 O5 164.1 81.8 97.8 64.4 REMARK 620 6 POP A5000 O3 101.2 155.6 86.7 80.7 75.8 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 MG A 2500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMP A 4000 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE POP A 5000 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EE1 RELATED DB: PDB REMARK 900 1EE1 CONTAINS THE THE SAME PROTEIN COMPLEXED WITH 1 MOLECULE ATP, REMARK 900 TWO MOLECULES DEAMIDO-NAD, AND ONE MG ION DBREF 1FYD A 1 271 UNP P08164 NADE_BACSU 1 271 DBREF 1FYD B 1001 1271 UNP P08164 NADE_BACSU 1 271 SEQRES 1 A 271 SER MET GLN GLU LYS ILE MET ARG GLU LEU HIS VAL LYS SEQRES 2 A 271 PRO SER ILE ASP PRO LYS GLN GLU ILE GLU ASP ARG VAL SEQRES 3 A 271 ASN PHE LEU LYS GLN TYR VAL LYS LYS THR GLY ALA LYS SEQRES 4 A 271 GLY PHE VAL LEU GLY ILE SER GLY GLY GLN ASP SER THR SEQRES 5 A 271 LEU ALA GLY ARG LEU ALA GLN LEU ALA VAL GLU SER ILE SEQRES 6 A 271 ARG GLU GLU GLY GLY ASP ALA GLN PHE ILE ALA VAL ARG SEQRES 7 A 271 LEU PRO HIS GLY THR GLN GLN ASP GLU ASP ASP ALA GLN SEQRES 8 A 271 LEU ALA LEU LYS PHE ILE LYS PRO ASP LYS SER TRP LYS SEQRES 9 A 271 PHE ASP ILE LYS SER THR VAL SER ALA PHE SER ASP GLN SEQRES 10 A 271 TYR GLN GLN GLU THR GLY ASP GLN LEU THR ASP PHE ASN SEQRES 11 A 271 LYS GLY ASN VAL LYS ALA ARG THR ARG MET ILE ALA GLN SEQRES 12 A 271 TYR ALA ILE GLY GLY GLN GLU GLY LEU LEU VAL LEU GLY SEQRES 13 A 271 THR ASP HIS ALA ALA GLU ALA VAL THR GLY PHE PHE THR SEQRES 14 A 271 LYS TYR GLY ASP GLY GLY ALA ASP LEU LEU PRO LEU THR SEQRES 15 A 271 GLY LEU THR LYS ARG GLN GLY ARG THR LEU LEU LYS GLU SEQRES 16 A 271 LEU GLY ALA PRO GLU ARG LEU TYR LEU LYS GLU PRO THR SEQRES 17 A 271 ALA ASP LEU LEU ASP GLU LYS PRO GLN GLN SER ASP GLU SEQRES 18 A 271 THR GLU LEU GLY ILE SER TYR ASP GLU ILE ASP ASP TYR SEQRES 19 A 271 LEU GLU GLY LYS GLU VAL SER ALA LYS VAL SER GLU ALA SEQRES 20 A 271 LEU GLU LYS ARG TYR SER MET THR GLU HIS LYS ARG GLN SEQRES 21 A 271 VAL PRO ALA SER MET PHE ASP ASP TRP TRP LYS SEQRES 1 B 271 SER MET GLN GLU LYS ILE MET ARG GLU LEU HIS VAL LYS SEQRES 2 B 271 PRO SER ILE ASP PRO LYS GLN GLU ILE GLU ASP ARG VAL SEQRES 3 B 271 ASN PHE LEU LYS GLN TYR VAL LYS LYS THR GLY ALA LYS SEQRES 4 B 271 GLY PHE VAL LEU GLY ILE SER GLY GLY GLN ASP SER THR SEQRES 5 B 271 LEU ALA GLY ARG LEU ALA GLN LEU ALA VAL GLU SER ILE SEQRES 6 B 271 ARG GLU GLU GLY GLY ASP ALA GLN PHE ILE ALA VAL ARG SEQRES 7 B 271 LEU PRO HIS GLY THR GLN GLN ASP GLU ASP ASP ALA GLN SEQRES 8 B 271 LEU ALA LEU LYS PHE ILE LYS PRO ASP LYS SER TRP LYS SEQRES 9 B 271 PHE ASP ILE LYS SER THR VAL SER ALA PHE SER ASP GLN SEQRES 10 B 271 TYR GLN GLN GLU THR GLY ASP GLN LEU THR ASP PHE ASN SEQRES 11 B 271 LYS GLY ASN VAL LYS ALA ARG THR ARG MET ILE ALA GLN SEQRES 12 B 271 TYR ALA ILE GLY GLY GLN GLU GLY LEU LEU VAL LEU GLY SEQRES 13 B 271 THR ASP HIS ALA ALA GLU ALA VAL THR GLY PHE PHE THR SEQRES 14 B 271 LYS TYR GLY ASP GLY GLY ALA ASP LEU LEU PRO LEU THR SEQRES 15 B 271 GLY LEU THR LYS ARG GLN GLY ARG THR LEU LEU LYS GLU SEQRES 16 B 271 LEU GLY ALA PRO GLU ARG LEU TYR LEU LYS GLU PRO THR SEQRES 17 B 271 ALA ASP LEU LEU ASP GLU LYS PRO GLN GLN SER ASP GLU SEQRES 18 B 271 THR GLU LEU GLY ILE SER TYR ASP GLU ILE ASP ASP TYR SEQRES 19 B 271 LEU GLU GLY LYS GLU VAL SER ALA LYS VAL SER GLU ALA SEQRES 20 B 271 LEU GLU LYS ARG TYR SER MET THR GLU HIS LYS ARG GLN SEQRES 21 B 271 VAL PRO ALA SER MET PHE ASP ASP TRP TRP LYS HET MG A2500 1 HET AMP A4000 23 HET POP A5000 9 HETNAM MG MAGNESIUM ION HETNAM AMP ADENOSINE MONOPHOSPHATE HETNAM POP PYROPHOSPHATE 2- FORMUL 3 MG MG 2+ FORMUL 4 AMP C10 H14 N5 O7 P FORMUL 5 POP H2 O7 P2 2- FORMUL 6 HOH *187(H2 O) HELIX 1 1 SER A 1 HIS A 11 1 11 HELIX 2 2 ASP A 17 GLY A 37 1 21 HELIX 3 3 GLY A 48 GLU A 68 1 21 HELIX 4 4 ASP A 86 LYS A 98 1 13 HELIX 5 5 ILE A 107 GLY A 123 1 17 HELIX 6 6 THR A 127 GLY A 151 1 25 HELIX 7 7 HIS A 159 VAL A 164 1 6 HELIX 8 8 THR A 185 GLY A 197 1 13 HELIX 9 9 GLU A 200 LYS A 205 1 6 HELIX 10 10 SER A 219 GLY A 225 1 7 HELIX 11 11 SER A 227 GLU A 236 1 10 HELIX 12 12 SER A 241 MET A 254 1 14 HELIX 13 13 THR A 255 ARG A 259 5 5 HELIX 14 14 SER B 1001 LEU B 1010 1 10 HELIX 15 15 ASP B 1017 GLY B 1037 1 21 HELIX 16 16 GLY B 1048 GLU B 1068 1 21 HELIX 17 17 GLU B 1087 LYS B 1098 1 12 HELIX 18 18 ILE B 1107 GLY B 1123 1 17 HELIX 19 19 THR B 1127 GLY B 1151 1 25 HELIX 20 20 HIS B 1159 GLY B 1166 1 8 HELIX 21 21 THR B 1185 LEU B 1196 1 12 HELIX 22 22 SER B 1227 GLU B 1236 1 10 HELIX 23 23 SER B 1241 THR B 1255 1 15 HELIX 24 24 GLU B 1256 ARG B 1259 5 4 SHEET 1 A 4 LYS A 101 LYS A 104 0 SHEET 2 A 4 GLN A 73 ARG A 78 1 O PHE A 74 N LYS A 101 SHEET 3 A 4 GLY A 40 GLY A 44 1 O PHE A 41 N ILE A 75 SHEET 4 A 4 LEU A 153 VAL A 154 1 N LEU A 153 O GLY A 40 SHEET 1 B 4 LYS B1101 LYS B1104 0 SHEET 2 B 4 GLN B1073 ARG B1078 1 O PHE B1074 N LYS B1101 SHEET 3 B 4 GLY B1040 ILE B1045 1 O PHE B1041 N ILE B1075 SHEET 4 B 4 LEU B1153 VAL B1154 1 N LEU B1153 O GLY B1040 LINK O THR A 208 MG MG A2500 1555 1555 1.81 LINK O HOH A2186 MG MG A2500 1555 1555 2.09 LINK O HOH A2187 MG MG A2500 1555 1555 2.21 LINK MG MG A2500 O3P AMP A4000 1555 1555 1.92 LINK MG MG A2500 O5 POP A5000 1555 1555 2.53 LINK MG MG A2500 O3 POP A5000 1555 1555 2.55 SITE 1 AC1 5 THR A 208 HOH A2186 HOH A2187 AMP A4000 SITE 2 AC1 5 POP A5000 SITE 1 AC2 19 LEU A 43 GLY A 44 ILE A 45 SER A 46 SITE 2 AC2 19 SER A 51 ARG A 78 LEU A 79 GLN A 84 SITE 3 AC2 19 THR A 157 THR A 208 ALA A 209 HOH A2037 SITE 4 AC2 19 HOH A2047 HOH A2107 HOH A2111 HOH A2181 SITE 5 AC2 19 HOH A2186 MG A2500 POP A5000 SITE 1 AC3 14 SER A 46 GLY A 48 GLN A 49 ASP A 50 SITE 2 AC3 14 SER A 51 LYS A 186 PRO A 207 THR A 208 SITE 3 AC3 14 HOH A2027 HOH A2119 HOH A2181 HOH A2186 SITE 4 AC3 14 MG A2500 AMP A4000 CRYST1 53.450 87.200 61.180 90.00 111.15 90.00 P 1 21 1 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 0.018709 0.000000 0.007238 0.00000 SCALE2 0.000000 0.011468 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017526 0.00000