PDB Short entry for 1BX4 HEADER TRANSFERASE 13-OCT-98 1BX4 TITLE STRUCTURE OF HUMAN ADENOSINE KINASE AT 1.50 ANGSTROMS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ADENOSINE KINASE); COMPND 3 CHAIN: A; COMPND 4 EC: 2.7.1.20; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21[DE3], B834[DE3]; SOURCE 8 OTHER_DETAILS: NATIVE PROTEIN WAS EXPRESSED IN BL21[DE3] CELLS SOURCE 9 SELENO METHIONINE PROTEIN IN B834[DE3] CELLS KEYWDS HUMAN ADENOSINE KINASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR I.I.MATHEWS,M.D.ERION,S.E.EALICK REVDAT 4 27-DEC-23 1BX4 1 REMARK LINK REVDAT 3 04-OCT-17 1BX4 1 REMARK REVDAT 2 24-FEB-09 1BX4 1 VERSN REVDAT 1 13-OCT-99 1BX4 0 JRNL AUTH I.I.MATHEWS,M.D.ERION,S.E.EALICK JRNL TITL STRUCTURE OF HUMAN ADENOSINE KINASE AT 1.5 A RESOLUTION. JRNL REF BIOCHEMISTRY V. 37 15607 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9843365 JRNL DOI 10.1021/BI9815445 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.4 REMARK 3 NUMBER OF REFLECTIONS : 55983 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) : 0.192 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2438 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.57 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5289 REMARK 3 BIN R VALUE (WORKING SET) : 0.2470 REMARK 3 BIN FREE R VALUE : 0.2670 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 281 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 : 2696 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 354 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.90 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : NULL 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) : 0.20 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.360 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.400 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: TOPOLOGY AND PARAMETER FILES FOR REMARK 3 ADENOSINE WERE GENERATED. REMARK 4 REMARK 4 1BX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000007027. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.929 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57595 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 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 (%) : 98.3 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : 0.04800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.18500 REMARK 200 R SYM FOR SHELL (I) : 0.18500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SNB, SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: MLPHARE WAS USED FOR THE REFINEMENT REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20%PEG 4K, 0.16M MGCL2, 0.1M TRIS, PH REMARK 280 7.5 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 32.65000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 55.54000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 32.65000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 55.54000 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 MET A 1 REMARK 465 THR A 2 REMARK 465 SER A 3 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 HIS A 345 CG ND1 CD2 CE1 NE2 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 GLN A 78 -57.64 67.47 REMARK 500 ILE A 92 79.09 -102.71 REMARK 500 ALA A 139 -118.09 45.62 REMARK 500 HIS A 149 -70.24 -141.24 REMARK 500 SER A 198 -51.49 68.34 REMARK 500 GLN A 204 -68.20 -94.82 REMARK 500 ASP A 343 66.71 -114.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 163 0.24 SIDE CHAIN REMARK 500 TYR A 216 0.07 SIDE CHAIN 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 375 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 32 OG REMARK 620 2 HOH A 402 O 87.3 REMARK 620 3 HOH A 756 O 95.8 102.4 REMARK 620 4 HOH A 757 O 173.3 95.0 89.9 REMARK 620 5 HOH A 758 O 87.3 90.3 167.0 86.3 REMARK 620 6 HOH A 759 O 105.8 166.4 80.2 71.6 86.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 365 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 130 OD1 REMARK 620 2 ASN A 131 OD1 92.3 REMARK 620 3 HOH A 752 O 84.3 175.9 REMARK 620 4 HOH A 753 O 177.0 90.3 93.2 REMARK 620 5 HOH A 754 O 94.3 89.3 88.8 87.3 REMARK 620 6 HOH A 755 O 87.5 91.3 90.8 90.9 178.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 360 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 746 O REMARK 620 2 HOH A 747 O 94.8 REMARK 620 3 HOH A 748 O 94.0 88.6 REMARK 620 4 HOH A 749 O 177.0 87.2 88.2 REMARK 620 5 HOH A 750 O 92.0 173.1 89.8 86.0 REMARK 620 6 HOH A 751 O 86.3 89.7 178.3 91.6 91.9 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ADA REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ADN 350 BINDS IN THE SUBSTRATE BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: ADB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ADN 355 BINDS IN THE ATP BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 380 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 385 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 360 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 365 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 375 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADN A 350 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADN A 355 DBREF 1BX4 A 1 345 UNP P55263 ADK_HUMAN 1 345 SEQRES 1 A 345 MET THR SER VAL ARG GLU ASN ILE LEU PHE GLY MET GLY SEQRES 2 A 345 ASN PRO LEU LEU ASP ILE SER ALA VAL VAL ASP LYS ASP SEQRES 3 A 345 PHE LEU ASP LYS TYR SER LEU LYS PRO ASN ASP GLN ILE SEQRES 4 A 345 LEU ALA GLU ASP LYS HIS LYS GLU LEU PHE ASP GLU LEU SEQRES 5 A 345 VAL LYS LYS PHE LYS VAL GLU TYR HIS ALA GLY GLY SER SEQRES 6 A 345 THR GLN ASN SER ILE LYS VAL ALA GLN TRP MET ILE GLN SEQRES 7 A 345 GLN PRO HIS LYS ALA ALA THR PHE PHE GLY CYS ILE GLY SEQRES 8 A 345 ILE ASP LYS PHE GLY GLU ILE LEU LYS ARG LYS ALA ALA SEQRES 9 A 345 GLU ALA HIS VAL ASP ALA HIS TYR TYR GLU GLN ASN GLU SEQRES 10 A 345 GLN PRO THR GLY THR CYS ALA ALA CYS ILE THR GLY ASP SEQRES 11 A 345 ASN ARG SER LEU ILE ALA ASN LEU ALA ALA ALA ASN CYS SEQRES 12 A 345 TYR LYS LYS GLU LYS HIS LEU ASP LEU GLU LYS ASN TRP SEQRES 13 A 345 MET LEU VAL GLU LYS ALA ARG VAL CYS TYR ILE ALA GLY SEQRES 14 A 345 PHE PHE LEU THR VAL SER PRO GLU SER VAL LEU LYS VAL SEQRES 15 A 345 ALA HIS HIS ALA SER GLU ASN ASN ARG ILE PHE THR LEU SEQRES 16 A 345 ASN LEU SER ALA PRO PHE ILE SER GLN PHE TYR LYS GLU SEQRES 17 A 345 SER LEU MET LYS VAL MET PRO TYR VAL ASP ILE LEU PHE SEQRES 18 A 345 GLY ASN GLU THR GLU ALA ALA THR PHE ALA ARG GLU GLN SEQRES 19 A 345 GLY PHE GLU THR LYS ASP ILE LYS GLU ILE ALA LYS LYS SEQRES 20 A 345 THR GLN ALA LEU PRO LYS MET ASN SER LYS ARG GLN ARG SEQRES 21 A 345 ILE VAL ILE PHE THR GLN GLY ARG ASP ASP THR ILE MET SEQRES 22 A 345 ALA THR GLU SER GLU VAL THR ALA PHE ALA VAL LEU ASP SEQRES 23 A 345 GLN ASP GLN LYS GLU ILE ILE ASP THR ASN GLY ALA GLY SEQRES 24 A 345 ASP ALA PHE VAL GLY GLY PHE LEU SER GLN LEU VAL SER SEQRES 25 A 345 ASP LYS PRO LEU THR GLU CYS ILE ARG ALA GLY HIS TYR SEQRES 26 A 345 ALA ALA SER ILE ILE ILE ARG ARG THR GLY CYS THR PHE SEQRES 27 A 345 PRO GLU LYS PRO ASP PHE HIS HET CL A 380 1 HET CL A 385 1 HET MG A 360 1 HET MG A 365 1 HET MG A 375 1 HET ADN A 350 19 HET ADN A 355 19 HETNAM CL CHLORIDE ION HETNAM MG MAGNESIUM ION HETNAM ADN ADENOSINE FORMUL 2 CL 2(CL 1-) FORMUL 4 MG 3(MG 2+) FORMUL 7 ADN 2(C10 H13 N5 O4) FORMUL 9 HOH *354(H2 O) HELIX 1 1 LYS A 25 LYS A 30 1 6 HELIX 2 2 ASP A 43 LYS A 55 5 13 HELIX 3 3 SER A 65 ILE A 77 1 13 HELIX 4 4 LYS A 94 GLU A 105 1 12 HELIX 5 5 ALA A 139 CYS A 143 5 5 HELIX 6 6 LYS A 146 LYS A 148 5 3 HELIX 7 7 GLU A 153 LYS A 161 1 9 HELIX 8 8 GLY A 169 THR A 173 5 5 HELIX 9 9 PRO A 176 GLU A 188 1 13 HELIX 10 10 PRO A 200 PHE A 205 1 6 HELIX 11 11 LYS A 207 TYR A 216 1 10 HELIX 12 12 GLU A 224 GLU A 233 1 10 HELIX 13 13 ILE A 241 GLN A 249 1 9 HELIX 14 14 THR A 295 LEU A 310 1 16 HELIX 15 15 LEU A 316 ARG A 332 1 17 SHEET 1 A 9 VAL A 279 PHE A 282 0 SHEET 2 A 9 THR A 271 ALA A 274 -1 N MET A 273 O THR A 280 SHEET 3 A 9 ILE A 261 THR A 265 -1 N PHE A 264 O ILE A 272 SHEET 4 A 9 ILE A 219 ASN A 223 1 N LEU A 220 O ILE A 261 SHEET 5 A 9 ILE A 192 ASN A 196 1 N LEU A 195 O ILE A 219 SHEET 6 A 9 VAL A 164 ALA A 168 1 N CYS A 165 O ILE A 192 SHEET 7 A 9 LEU A 9 MET A 12 1 N PHE A 10 O VAL A 164 SHEET 8 A 9 ALA A 84 GLY A 91 1 N THR A 85 O LEU A 9 SHEET 9 A 9 ASP A 109 GLN A 115 1 N ASP A 109 O PHE A 86 SHEET 1 B 5 GLU A 59 GLY A 63 0 SHEET 2 B 5 LEU A 16 VAL A 22 -1 N SER A 20 O GLU A 59 SHEET 3 B 5 THR A 122 THR A 128 1 N CYS A 123 O LEU A 17 SHEET 4 B 5 ASN A 131 ASN A 137 -1 N ASN A 137 O THR A 122 SHEET 5 B 5 ASP A 37 LEU A 40 1 N ASP A 37 O LEU A 134 LINK OG SER A 32 MG MG A 375 1555 1555 2.17 LINK OD1 ASP A 130 MG MG A 365 1555 1555 2.18 LINK OD1 ASN A 131 MG MG A 365 1555 1555 2.12 LINK MG MG A 360 O HOH A 746 1555 1555 2.17 LINK MG MG A 360 O HOH A 747 1555 1555 2.15 LINK MG MG A 360 O HOH A 748 1555 1555 2.20 LINK MG MG A 360 O HOH A 749 1555 1555 2.22 LINK MG MG A 360 O HOH A 750 1555 1555 2.18 LINK MG MG A 360 O HOH A 751 1555 1555 2.17 LINK MG MG A 365 O HOH A 752 1555 1555 2.30 LINK MG MG A 365 O HOH A 753 1555 1555 2.20 LINK MG MG A 365 O HOH A 754 1555 1555 2.19 LINK MG MG A 365 O HOH A 755 1555 1555 2.17 LINK MG MG A 375 O HOH A 402 1555 1555 2.44 LINK MG MG A 375 O HOH A 756 1555 1555 2.37 LINK MG MG A 375 O HOH A 757 1555 1555 2.31 LINK MG MG A 375 O HOH A 758 1555 1555 2.27 LINK MG MG A 375 O HOH A 759 1555 1555 2.20 CISPEP 1 GLN A 79 PRO A 80 0 0.09 SITE 1 ADA 1 ADN A 350 SITE 1 ADB 1 ADN A 355 SITE 1 AC1 3 ASN A 14 THR A 66 ADN A 350 SITE 1 AC2 3 THR A 265 HOH A 556 HOH A 746 SITE 1 AC3 6 HOH A 746 HOH A 747 HOH A 748 HOH A 749 SITE 2 AC3 6 HOH A 750 HOH A 751 SITE 1 AC4 6 ASP A 130 ASN A 131 HOH A 752 HOH A 753 SITE 2 AC4 6 HOH A 754 HOH A 755 SITE 1 AC5 6 SER A 32 HOH A 402 HOH A 756 HOH A 757 SITE 2 AC5 6 HOH A 758 HOH A 759 SITE 1 AC6 14 ASN A 14 ASP A 18 LEU A 40 GLY A 64 SITE 2 AC6 14 SER A 65 ASN A 68 PHE A 170 ASN A 296 SITE 3 AC6 14 GLY A 297 ASP A 300 CL A 380 HOH A 415 SITE 4 AC6 14 HOH A 416 HOH A 430 SITE 1 AC7 19 THR A 265 GLY A 267 ARG A 268 THR A 271 SITE 2 AC7 19 ASP A 286 GLN A 289 ILE A 292 ALA A 298 SITE 3 AC7 19 GLY A 299 HIS A 324 ALA A 327 ILE A 331 SITE 4 AC7 19 HOH A 408 HOH A 410 HOH A 420 HOH A 425 SITE 5 AC7 19 HOH A 577 HOH A 597 HOH A 637 CRYST1 65.300 111.080 49.690 90.00 90.00 90.00 P 21 21 2 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 0.015314 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009003 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020125 0.00000