HEADER SIGNALING PROTEIN, TRANSFERASE 26-FEB-01 1I59 TITLE STRUCTURE OF THE HISTIDINE KINASE CHEA ATP-BINDING DOMAIN IN COMPLEX TITLE 2 WITH ADPNP AND MAGENSIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHEMOTAXIS PROTEIN CHEA; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: DOMAIN P4; COMPND 5 SYNONYM: CHEMOTAXIS SENSOR HISTIDINE KINASE CHEA, CHEA; COMPND 6 EC: 2.7.3.-; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA; SOURCE 3 ORGANISM_TAXID: 2336; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PET28A KEYWDS BETA-ALPHA SANDWICH, SIGNALING PROTEIN, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR A.M.BILWES,C.M.QUEZADA,L.R.CROAL,B.R.CRANE,M.I.SIMON REVDAT 4 09-AUG-23 1I59 1 REMARK REVDAT 3 27-OCT-21 1I59 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1I59 1 VERSN REVDAT 1 26-AUG-01 1I59 0 JRNL AUTH A.M.BILWES,C.M.QUEZADA,L.R.CROAL,B.R.CRANE,M.I.SIMON JRNL TITL NUCLEOTIDE BINDING BY THE HISTIDINE KINASE CHEA. JRNL REF NAT.STRUCT.BIOL. V. 8 353 2001 JRNL REFN ISSN 1072-8368 JRNL PMID 11276258 JRNL DOI 10.1038/86243 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 101404152.260 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.2 REMARK 3 NUMBER OF REFLECTIONS : 27027 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) : 0.222 REMARK 3 FREE R VALUE : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2695 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 40.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1136 REMARK 3 BIN R VALUE (WORKING SET) : 0.3780 REMARK 3 BIN FREE R VALUE : 0.4260 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 130 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.037 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2858 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 63 REMARK 3 SOLVENT ATOMS : 244 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.08000 REMARK 3 B22 (A**2) : 0.32000 REMARK 3 B33 (A**2) : 2.76000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.65000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.16 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.20 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.790 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) : 0.920 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.540 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.990 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.830 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 52.82 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 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : ANP2.PAR REMARK 3 PARAMETER FILE 3 : ADP.PAR REMARK 3 PARAMETER FILE 4 : WATER.PARAM REMARK 3 PARAMETER FILE 5 : ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ACE.TOP REMARK 3 TOPOLOGY FILE 4 : ANP.TOP REMARK 3 TOPOLOGY FILE 5 : ADP.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1I59 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAR-01. REMARK 100 THE DEPOSITION ID IS D_1000012920. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAR-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5 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) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27387 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.0 REMARK 200 DATA REDUNDANCY : 1.000 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 35.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 42.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.00 REMARK 200 R MERGE FOR SHELL (I) : 0.16800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: 1B3Q REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000 33-36% AMMONIUM ACETATE 0.8 M REMARK 280 SODIUM ACETATE 0.085 M PH 4.5. VAPOR DIFFUSION, HANGING DROP AT REMARK 280 293 K, PH 5 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 24.32000 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 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 GLY A 352 REMARK 465 GLU A 495 REMARK 465 LYS A 496 REMARK 465 VAL A 497 REMARK 465 SER A 498 REMARK 465 GLU A 499 REMARK 465 VAL A 500 REMARK 465 SER A 501 REMARK 465 GLY A 502 REMARK 465 GLY B 352 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 ILE A 429 CG1 CG2 CD1 REMARK 470 LYS A 494 CG CD CE NZ REMARK 470 ARG A 503 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 529 CG CD CE NZ REMARK 470 GLU B 419 CG CD OE1 OE2 REMARK 470 GLU B 495 CG CD OE1 OE2 REMARK 470 LYS B 496 CG CD CE NZ REMARK 470 GLU B 499 CG CD OE1 OE2 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 ASN A 441 32.65 -92.97 REMARK 500 ASP A 450 41.69 -109.53 REMARK 500 VAL A 505 -136.80 -54.76 REMARK 500 ASP A 528 -0.65 62.45 REMARK 500 ASN B 377 64.38 37.51 REMARK 500 ASP B 450 43.06 -107.23 REMARK 500 LYS B 494 164.46 75.23 REMARK 500 GLU B 495 -51.91 -175.27 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 996 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 6 O REMARK 620 2 HOH A 7 O 102.3 REMARK 620 3 ASN A 409 OD1 90.8 83.8 REMARK 620 4 ANP A 998 O2G 88.8 101.1 175.1 REMARK 620 5 ANP A 998 O2B 166.6 90.7 87.6 91.7 REMARK 620 6 ANP A 998 O1A 84.0 168.2 86.2 88.9 82.7 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 ACT A 995 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 996 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ANP A 998 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADP B 999 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1B3Q RELATED DB: PDB REMARK 900 HISTIDINE KINASE CHEA DOMAINS P3-P4-P5 DBREF 1I59 A 352 540 UNP Q56310 CHEA_THEMA 352 540 DBREF 1I59 B 352 540 UNP Q56310 CHEA_THEMA 352 540 SEQADV 1I59 GLY A 352 UNP Q56310 LYS 352 ENGINEERED MUTATION SEQADV 1I59 SER A 353 UNP Q56310 ILE 353 ENGINEERED MUTATION SEQADV 1I59 HIS A 354 UNP Q56310 ARG 354 ENGINEERED MUTATION SEQADV 1I59 GLY B 352 UNP Q56310 LYS 352 ENGINEERED MUTATION SEQADV 1I59 SER B 353 UNP Q56310 ILE 353 ENGINEERED MUTATION SEQADV 1I59 HIS B 354 UNP Q56310 ARG 354 ENGINEERED MUTATION SEQRES 1 A 189 GLY SER HIS MET VAL PRO ILE SER PHE VAL PHE ASN ARG SEQRES 2 A 189 PHE PRO ARG MET VAL ARG ASP LEU ALA LYS LYS MET ASN SEQRES 3 A 189 LYS GLU VAL ASN PHE ILE MET ARG GLY GLU ASP THR GLU SEQRES 4 A 189 LEU ASP ARG THR PHE VAL GLU GLU ILE GLY GLU PRO LEU SEQRES 5 A 189 LEU HIS LEU LEU ARG ASN ALA ILE ASP HIS GLY ILE GLU SEQRES 6 A 189 PRO LYS GLU GLU ARG ILE ALA LYS GLY LYS PRO PRO ILE SEQRES 7 A 189 GLY THR LEU ILE LEU SER ALA ARG HIS GLU GLY ASN ASN SEQRES 8 A 189 VAL VAL ILE GLU VAL GLU ASP ASP GLY ARG GLY ILE ASP SEQRES 9 A 189 LYS GLU LYS ILE ILE ARG LYS ALA ILE GLU LYS GLY LEU SEQRES 10 A 189 ILE ASP GLU SER LYS ALA ALA THR LEU SER ASP GLN GLU SEQRES 11 A 189 ILE LEU ASN PHE LEU PHE VAL PRO GLY PHE SER THR LYS SEQRES 12 A 189 GLU LYS VAL SER GLU VAL SER GLY ARG GLY VAL GLY MET SEQRES 13 A 189 ASP VAL VAL LYS ASN VAL VAL GLU SER LEU ASN GLY SER SEQRES 14 A 189 ILE SER ILE GLU SER GLU LYS ASP LYS GLY THR LYS VAL SEQRES 15 A 189 THR ILE ARG LEU PRO LEU THR SEQRES 1 B 189 GLY SER HIS MET VAL PRO ILE SER PHE VAL PHE ASN ARG SEQRES 2 B 189 PHE PRO ARG MET VAL ARG ASP LEU ALA LYS LYS MET ASN SEQRES 3 B 189 LYS GLU VAL ASN PHE ILE MET ARG GLY GLU ASP THR GLU SEQRES 4 B 189 LEU ASP ARG THR PHE VAL GLU GLU ILE GLY GLU PRO LEU SEQRES 5 B 189 LEU HIS LEU LEU ARG ASN ALA ILE ASP HIS GLY ILE GLU SEQRES 6 B 189 PRO LYS GLU GLU ARG ILE ALA LYS GLY LYS PRO PRO ILE SEQRES 7 B 189 GLY THR LEU ILE LEU SER ALA ARG HIS GLU GLY ASN ASN SEQRES 8 B 189 VAL VAL ILE GLU VAL GLU ASP ASP GLY ARG GLY ILE ASP SEQRES 9 B 189 LYS GLU LYS ILE ILE ARG LYS ALA ILE GLU LYS GLY LEU SEQRES 10 B 189 ILE ASP GLU SER LYS ALA ALA THR LEU SER ASP GLN GLU SEQRES 11 B 189 ILE LEU ASN PHE LEU PHE VAL PRO GLY PHE SER THR LYS SEQRES 12 B 189 GLU LYS VAL SER GLU VAL SER GLY ARG GLY VAL GLY MET SEQRES 13 B 189 ASP VAL VAL LYS ASN VAL VAL GLU SER LEU ASN GLY SER SEQRES 14 B 189 ILE SER ILE GLU SER GLU LYS ASP LYS GLY THR LYS VAL SEQRES 15 B 189 THR ILE ARG LEU PRO LEU THR HET ACT A 995 4 HET MG A 996 1 HET ANP A 998 31 HET ADP B 999 27 HETNAM ACT ACETATE ION HETNAM MG MAGNESIUM ION HETNAM ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER HETNAM ADP ADENOSINE-5'-DIPHOSPHATE FORMUL 3 ACT C2 H3 O2 1- FORMUL 4 MG MG 2+ FORMUL 5 ANP C10 H17 N6 O12 P3 FORMUL 6 ADP C10 H15 N5 O10 P2 FORMUL 7 HOH *244(H2 O) HELIX 1 1 ILE A 358 ASN A 363 1 6 HELIX 2 2 ARG A 364 ASN A 377 1 14 HELIX 3 3 ARG A 393 HIS A 413 1 21 HELIX 4 4 PRO A 417 GLY A 425 1 9 HELIX 5 5 ASP A 455 LYS A 466 1 12 HELIX 6 6 ASP A 470 ALA A 475 1 6 HELIX 7 7 SER A 478 ASN A 484 1 7 HELIX 8 8 PHE A 485 VAL A 488 5 4 HELIX 9 9 GLY A 506 LEU A 517 1 12 HELIX 10 10 ILE B 358 ASN B 363 1 6 HELIX 11 11 ARG B 364 MET B 376 1 13 HELIX 12 12 PHE B 395 GLY B 414 1 20 HELIX 13 13 PRO B 417 LYS B 424 1 8 HELIX 14 14 ASP B 455 LYS B 466 1 12 HELIX 15 15 ASP B 470 ALA B 475 1 6 HELIX 16 16 SER B 478 ASN B 484 1 7 HELIX 17 17 PHE B 485 VAL B 488 5 4 HELIX 18 18 GLY B 506 LEU B 517 1 12 SHEET 1 A 2 MET A 355 PRO A 357 0 SHEET 2 A 2 GLU A 390 ASP A 392 -1 O LEU A 391 N VAL A 356 SHEET 1 B 5 VAL A 380 ARG A 385 0 SHEET 2 B 5 GLY A 430 GLU A 439 1 O GLY A 430 N ASN A 381 SHEET 3 B 5 ASN A 442 ASP A 449 -1 O ASN A 442 N GLU A 439 SHEET 4 B 5 GLY A 530 PRO A 538 -1 O THR A 531 N ASP A 449 SHEET 5 B 5 SER A 520 GLU A 526 -1 O SER A 520 N ARG A 536 SHEET 1 C 2 MET B 355 PRO B 357 0 SHEET 2 C 2 GLU B 390 ASP B 392 -1 N LEU B 391 O VAL B 356 SHEET 1 D 5 VAL B 380 ARG B 385 0 SHEET 2 D 5 GLY B 430 GLU B 439 1 O GLY B 430 N ASN B 381 SHEET 3 D 5 ASN B 442 ASP B 449 -1 O ASN B 442 N GLU B 439 SHEET 4 D 5 GLY B 530 PRO B 538 -1 O THR B 531 N ASP B 449 SHEET 5 D 5 SER B 520 GLU B 526 -1 O SER B 520 N ARG B 536 LINK O HOH A 6 MG MG A 996 1555 1555 2.43 LINK O HOH A 7 MG MG A 996 1555 1555 2.25 LINK OD1 ASN A 409 MG MG A 996 1555 1555 2.26 LINK MG MG A 996 O2G ANP A 998 1555 1555 2.47 LINK MG MG A 996 O2B ANP A 998 1555 1555 2.51 LINK MG MG A 996 O1A ANP A 998 1555 1555 2.53 SITE 1 AC1 4 ILE A 454 ASP A 455 LYS A 458 ANP A 998 SITE 1 AC2 4 HOH A 6 HOH A 7 ASN A 409 ANP A 998 SITE 1 AC3 19 HOH A 3 HOH A 5 HOH A 7 HOH A 10 SITE 2 AC3 19 ASN A 409 ALA A 410 HIS A 413 GLY A 414 SITE 3 AC3 19 ASP A 449 ILE A 454 LEU A 486 SER A 492 SITE 4 AC3 19 LYS A 494 VAL A 505 GLY A 506 MET A 507 SITE 5 AC3 19 THR A 531 ACT A 995 MG A 996 SITE 1 AC4 19 HOH B 12 HOH B 13 HOH B 14 HOH B 15 SITE 2 AC4 19 HOH B 18 HOH B 20 HOH B 253 HOH B 258 SITE 3 AC4 19 HIS B 405 ASN B 409 HIS B 413 GLY B 414 SITE 4 AC4 19 ASP B 449 GLY B 453 ILE B 454 SER B 492 SITE 5 AC4 19 GLY B 506 MET B 507 THR B 531 CRYST1 40.850 48.640 85.790 90.00 95.22 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 0.024480 0.000000 0.002236 0.00000 SCALE2 0.000000 0.020559 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011705 0.00000