HEADER PHOSPHOTRANSFERASE SYSTEM 25-FEB-98 1A6J TITLE NITROGEN REGULATORY BACTERIAL PROTEIN IIA-NITROGEN COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROGEN REGULATORY IIA PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: IIA-NITROGEN, ENZYME IIA-NTR; COMPND 5 EC: 2.7.1.69; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: K12/W3110; SOURCE 5 CELLULAR_LOCATION: CYTOPLASM; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PHOSPHOTRANSFERASE SYSTEM, NITROGEN REGULATION EXPDTA X-RAY DIFFRACTION AUTHOR D.BORDO,R.VAN MONTFORT,T.PIJNING,K.H.KALK,J.REIZER,M.H.SAIER, AUTHOR 2 B.W.DIJKSTRA REVDAT 4 13-JUL-11 1A6J 1 VERSN REVDAT 3 24-FEB-09 1A6J 1 VERSN REVDAT 2 01-APR-03 1A6J 1 JRNL REVDAT 1 15-JUL-98 1A6J 0 JRNL AUTH D.BORDO,R.L.VAN MONFORT,T.PIJNING,K.H.KALK,J.REIZER, JRNL AUTH 2 M.H.SAIER JR.,B.W.DIJKSTRA JRNL TITL THE THREE-DIMENSIONAL STRUCTURE OF THE NITROGEN REGULATORY JRNL TITL 2 PROTEIN IIANTR FROM ESCHERICHIA COLI. JRNL REF J.MOL.BIOL. V. 279 245 1998 JRNL REFN ISSN 0022-2836 JRNL PMID 9636714 JRNL DOI 10.1006/JMBI.1998.1753 REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.0 REMARK 3 NUMBER OF REFLECTIONS : 14482 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) : 0.197 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1470 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) : 2.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.46 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1329 REMARK 3 BIN R VALUE (WORKING SET) : 0.2800 REMARK 3 BIN FREE R VALUE : 0.3300 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.28 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 50 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.042 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2383 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 65 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 32.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.00 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) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.22 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.58 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 0.0 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 : PARAM19.WAT REMARK 3 PARAMETER FILE 2 : PARHCSDX.PRO 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: NULL REMARK 4 REMARK 4 1A6J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-95 REMARK 200 TEMPERATURE (KELVIN) : 300 REMARK 200 PH : 7.5 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 : ELLIOTT GX-21 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : CU REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14482 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.0 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : 0.06000 REMARK 200 FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 75.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 0.06000 REMARK 200 R SYM FOR SHELL (I) : 0.20000 REMARK 200 FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: PHASES, X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN CRYSTALLIZED WITH THE HANGING REMARK 280 DROP SETUP. RESERVOIR CONTAINING 1.8 M AMMONIUM SULPHATE, 1 MM REMARK 280 SODIUM AZIDE, 2MM DTT AND 0.1 M BES-NAOH, PH 7.5. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 32.15000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 53.95000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 53.95000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.22500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 53.95000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 53.95000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 16.07500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 53.95000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 53.95000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.22500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 53.95000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 53.95000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 16.07500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 32.15000 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 8490 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24680 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -78.0 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 ASN A 3 REMARK 465 ASN A 4 REMARK 465 ASP A 5 REMARK 465 THR A 6 REMARK 465 THR A 7 REMARK 465 GLY A 158 REMARK 465 THR A 159 REMARK 465 PRO A 160 REMARK 465 ASP A 161 REMARK 465 GLU A 162 REMARK 465 ALA A 163 REMARK 465 GLY B 158 REMARK 465 THR B 159 REMARK 465 PRO B 160 REMARK 465 ASP B 161 REMARK 465 GLU B 162 REMARK 465 ALA B 163 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLU A 157 CB CG CD OE1 OE2 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 O2 SO4 B 701 O HOH B 820 2.05 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 76 -159.22 -107.79 REMARK 500 LEU A 81 -20.51 60.35 REMARK 500 ASN A 101 -31.86 74.61 REMARK 500 SER B 11 -7.37 -57.67 REMARK 500 ASN B 101 -13.28 71.59 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 HIS B 120 24.8 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: PH1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: BY COMPARISON WITH IIA ENZYMES, THIS IS THE REMARK 800 PHOSPHORYLATION SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: PH2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: BY COMPARISON WITH IIA ENZYMES, THIS IS THE REMARK 800 PHOSPHORYLATION SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 803 DBREF 1A6J A 1 163 UNP P69829 PTSN_ECOLI 1 163 DBREF 1A6J B 1 163 UNP P69829 PTSN_ECOLI 1 163 SEQRES 1 A 163 MET THR ASN ASN ASP THR THR LEU GLN LEU SER SER VAL SEQRES 2 A 163 LEU ASN ARG GLU CYS THR ARG SER ARG VAL HIS CYS GLN SEQRES 3 A 163 SER LYS LYS ARG ALA LEU GLU ILE ILE SER GLU LEU ALA SEQRES 4 A 163 ALA LYS GLN LEU SER LEU PRO PRO GLN VAL VAL PHE GLU SEQRES 5 A 163 ALA ILE LEU THR ARG GLU LYS MET GLY SER THR GLY ILE SEQRES 6 A 163 GLY ASN GLY ILE ALA ILE PRO HIS GLY LYS LEU GLU GLU SEQRES 7 A 163 ASP THR LEU ARG ALA VAL GLY VAL PHE VAL GLN LEU GLU SEQRES 8 A 163 THR PRO ILE ALA PHE ASP ALA ILE ASP ASN GLN PRO VAL SEQRES 9 A 163 ASP LEU LEU PHE ALA LEU LEU VAL PRO ALA ASP GLN THR SEQRES 10 A 163 LYS THR HIS LEU HIS THR LEU SER LEU VAL ALA LYS ARG SEQRES 11 A 163 LEU ALA ASP LYS THR ILE CYS ARG ARG LEU ARG ALA ALA SEQRES 12 A 163 GLN SER ASP GLU GLU LEU TYR GLN ILE ILE THR ASP THR SEQRES 13 A 163 GLU GLY THR PRO ASP GLU ALA SEQRES 1 B 163 MET THR ASN ASN ASP THR THR LEU GLN LEU SER SER VAL SEQRES 2 B 163 LEU ASN ARG GLU CYS THR ARG SER ARG VAL HIS CYS GLN SEQRES 3 B 163 SER LYS LYS ARG ALA LEU GLU ILE ILE SER GLU LEU ALA SEQRES 4 B 163 ALA LYS GLN LEU SER LEU PRO PRO GLN VAL VAL PHE GLU SEQRES 5 B 163 ALA ILE LEU THR ARG GLU LYS MET GLY SER THR GLY ILE SEQRES 6 B 163 GLY ASN GLY ILE ALA ILE PRO HIS GLY LYS LEU GLU GLU SEQRES 7 B 163 ASP THR LEU ARG ALA VAL GLY VAL PHE VAL GLN LEU GLU SEQRES 8 B 163 THR PRO ILE ALA PHE ASP ALA ILE ASP ASN GLN PRO VAL SEQRES 9 B 163 ASP LEU LEU PHE ALA LEU LEU VAL PRO ALA ASP GLN THR SEQRES 10 B 163 LYS THR HIS LEU HIS THR LEU SER LEU VAL ALA LYS ARG SEQRES 11 B 163 LEU ALA ASP LYS THR ILE CYS ARG ARG LEU ARG ALA ALA SEQRES 12 B 163 GLN SER ASP GLU GLU LEU TYR GLN ILE ILE THR ASP THR SEQRES 13 B 163 GLU GLY THR PRO ASP GLU ALA HET SO4 B 701 5 HET BME A 802 4 HET BME B 803 4 HETNAM SO4 SULFATE ION HETNAM BME BETA-MERCAPTOETHANOL FORMUL 3 SO4 O4 S 2- FORMUL 4 BME 2(C2 H6 O S) FORMUL 6 HOH *65(H2 O) HELIX 1 1 LEU A 10 SER A 12 5 3 HELIX 2 2 ARG A 16 CYS A 18 5 3 HELIX 3 3 LYS A 28 LEU A 43 1 16 HELIX 4 4 PRO A 47 GLU A 58 1 12 HELIX 5 5 GLU A 78 THR A 80 5 3 HELIX 6 6 ALA A 114 GLN A 116 5 3 HELIX 7 7 THR A 119 ALA A 132 5 14 HELIX 8 8 LYS A 134 ALA A 142 1 9 HELIX 9 9 ASP A 146 THR A 154 1 9 HELIX 10 10 ASP B 5 VAL B 13 1 9 HELIX 11 11 ARG B 16 CYS B 18 5 3 HELIX 12 12 LYS B 28 LEU B 43 1 16 HELIX 13 13 PRO B 47 MET B 60 1 14 HELIX 14 14 ALA B 114 LEU B 131 5 18 HELIX 15 15 LYS B 134 ALA B 142 1 9 HELIX 16 16 ASP B 146 ILE B 153 1 8 SHEET 1 A 3 HIS A 73 LEU A 76 0 SHEET 2 A 3 LEU A 106 PRO A 113 1 N LEU A 110 O GLY A 74 SHEET 3 A 3 VAL A 84 GLN A 89 -1 N VAL A 88 O LEU A 107 SHEET 1 B 3 HIS B 73 LEU B 76 0 SHEET 2 B 3 LEU B 106 PRO B 113 1 N LEU B 110 O GLY B 74 SHEET 3 B 3 VAL B 84 GLN B 89 -1 N VAL B 88 O LEU B 107 SITE 1 PH1 1 HIS A 73 SITE 1 PH2 1 HIS B 73 SITE 1 AC1 6 ASP A 97 ASN A 101 ARG B 57 HIS B 73 SITE 2 AC1 6 BME B 803 HOH B 820 SITE 1 AC2 3 THR A 56 MET A 60 LYS B 134 SITE 1 AC3 4 ALA A 95 ASN A 101 PRO A 103 SO4 B 701 CRYST1 107.900 107.900 64.300 90.00 90.00 90.00 P 43 21 2 16 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 0.009268 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009268 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015552 0.00000 MASTER 334 0 3 16 6 0 6 6 0 0 0 26 END