HEADER MOLYBDOPTERIN NUCLEOTIDYL-TRANSFERASE 27-JUL-00 1E5K TITLE CRYSTAL STRUCTURE OF THE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN MOBA TITLE 2 (PROTEIN FA) FROM ESCHERICHIA COLI AT NEAR ATOMIC RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: MOLYBDOPTERIN-GUANINE DINUCLEOTIDE BIOSYNTHESIS PROTEIN A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MOBA, PROTEIN FA; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: THE WILD-TYPE CONSTRUCT WAS C-TERMINALLY EXTENDED WITH COMPND 7 A 7-RESIDUE NICKEL AFFINITY TAG OF SEQUENCE SER-HIS-HIS-HIS-HIS-HIS- COMPND 8 HIS. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 CELLULAR_LOCATION: CYTOPLASM; SOURCE 6 GENE: MOBA; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 10 EXPRESSION_SYSTEM_VARIANT: M15[PREP4]; SOURCE 11 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 13 EXPRESSION_SYSTEM_PLASMID: PKK223-3; SOURCE 14 EXPRESSION_SYSTEM_GENE: MOBA KEYWDS MOLYBDOPTERIN NUCLEOTIDYL-TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.E.M.STEVENSON,F.SARGENT,G.BUCHANAN,T.PALMER,D.M.LAWSON REVDAT 6 08-MAY-24 1E5K 1 REMARK LINK REVDAT 5 08-MAY-19 1E5K 1 REMARK REVDAT 4 03-APR-19 1E5K 1 REMARK REVDAT 3 24-FEB-09 1E5K 1 VERSN REVDAT 2 06-SEP-05 1E5K 1 REVDAT REVDAT 1 07-NOV-00 1E5K 0 JRNL AUTH C.E.M.STEVENSON,F.SARGENT,G.BUCHANAN,T.PALMER,D.M.LAWSON JRNL TITL CRYSTAL STRUCTURE OF THE MOLYBDENUM COFACTOR BIOSYNTHESIS JRNL TITL 2 PROTEIN MOBA FROM ESCHERICHIA COLI AT NEAR ATOMIC RESOLUTION JRNL REF STRUCTURE V. 8 1115 2000 JRNL REFN ISSN 0969-2126 JRNL PMID 11080634 JRNL DOI 10.1016/S0969-2126(00)00518-9 REMARK 2 REMARK 2 RESOLUTION. 1.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 38263 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1921 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1423 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 149 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.70 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.060 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.060 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.011 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.029 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.036 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.032 ; 0.040 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.106 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.173 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.257 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 5.800 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 13.100; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 19.500; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.299 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.073 ; 5.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.371 ; 6.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.333 ; 8.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC THERMAL PARAMETER REMARK 3 REFINEMENT WAS USED FOR LAST CYCLE. RESIDUES 15 A TO 21 A WERE REMARK 3 POORLY DEFINED IN ELECTRON DENSITY MAPS. ALL LARGE SIDE-CHAINS REMARK 3 IN THIS REGION WERE TRUNCATED TO ALA. REMARK 4 REMARK 4 1E5K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 27-JUL-00. REMARK 100 THE DEPOSITION ID IS D_1290005197. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : DIAMOND C(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38263 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : 0.14200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP VAPOUR DIFFUSION. PROTEIN REMARK 280 AT CONCENTRATION 12 MG/ML WAS MIXED WITH AN EQUAL VOLUME OF WELL REMARK 280 SOLUTION CONSISTING OF 20% (V/V) ISOPROPANOL, 2% (W/V) PEG 1500, REMARK 280 IN 100 MM CITRIC ACID BROUGHT TO PH 5.5 WITH NAOH. CRYSTALS GROW REMARK 280 AT 4 DEG. C AND TAKE UP TO 8 WEEKS TO REACH FULL SIZE., PH 5.50, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 38.28700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.87900 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.28700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 20.87900 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 400 REMARK 400 COMPOUND REMARK 400 FUNCTION: BIOSYNTHESIS OF MOLYBDOPTERIN GUANINE DINUCLEOTIDE. REMARK 400 SEEMS TO BE INVOLVED IN THE ATTACHMENT OF GMP TO MOLYBDOPTERIN. REMARK 400 PATHWAY: MOLYBDENUM COFACTOR BIOSYNTHESIS. 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 ASN A 2 REMARK 465 LEU A 3 REMARK 465 GLU A 192 REMARK 465 LYS A 193 REMARK 465 ARG A 194 REMARK 465 SER A 195 REMARK 465 HIS A 196 REMARK 465 HIS A 197 REMARK 465 HIS A 198 REMARK 465 HIS A 199 REMARK 465 HIS A 200 REMARK 465 HIS A 201 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 MET A 4 CG SD CE REMARK 470 LYS A 16 CG CD CE NZ REMARK 470 ARG A 18 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 19 CG CD NE CZ NH1 NH2 REMARK 470 MET A 20 CG SD CE REMARK 470 GLU A 59 CG CD OE1 OE2 REMARK 470 GLU A 129 CD OE1 OE2 REMARK 470 LYS A 175 CD CE NZ REMARK 470 ARG A 189 NE CZ NH1 NH2 REMARK 470 TRP A 190 CD1 CD2 NE1 CE2 CE3 CZ2 CZ3 REMARK 470 TRP A 190 CH2 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 ARG A 19 C - N - CA ANGL. DEV. = 16.1 DEGREES REMARK 500 ARG A 112 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG A 117 NE - CZ - NH1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ARG A 117 NE - CZ - NH2 ANGL. DEV. = -8.4 DEGREES REMARK 500 ARG A 130 CD - NE - CZ ANGL. DEV. = 22.9 DEGREES REMARK 500 ARG A 130 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 130 NE - CZ - NH2 ANGL. DEV. = -4.4 DEGREES REMARK 500 ARG A 140 CG - CD - NE ANGL. DEV. = -15.0 DEGREES REMARK 500 ARG A 140 CD - NE - CZ ANGL. DEV. = 21.4 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 LYS A 16 -91.42 48.13 REMARK 500 ALA A 17 64.67 60.08 REMARK 500 ARG A 19 114.87 -170.04 REMARK 500 MET A 20 72.02 -19.20 REMARK 500 ASP A 119 -13.58 82.22 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 LI A 301 LI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CIT A 302 O5 REMARK 620 2 CIT A 302 O7 98.0 REMARK 620 3 CIT A 303 O7 113.0 127.5 REMARK 620 4 CIT A 303 O5 102.5 111.9 101.7 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LI A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 303 REMARK 999 REMARK 999 SEQUENCE REMARK 999 C-TERMINAL TAG: SER-HIS-HIS-HIS-HIS-HIS-HIS DBREF 1E5K A 1 194 UNP P32173 MOBA_ECOLI 1 194 DBREF 1E5K A 195 201 PDB 1E5K 1E5K 195 201 SEQRES 1 A 201 MET ASN LEU MET THR THR ILE THR GLY VAL VAL LEU ALA SEQRES 2 A 201 GLY GLY LYS ALA ARG ARG MET GLY GLY VAL ASP LYS GLY SEQRES 3 A 201 LEU LEU GLU LEU ASN GLY LYS PRO LEU TRP GLN HIS VAL SEQRES 4 A 201 ALA ASP ALA LEU MET THR GLN LEU SER HIS VAL VAL VAL SEQRES 5 A 201 ASN ALA ASN ARG HIS GLN GLU ILE TYR GLN ALA SER GLY SEQRES 6 A 201 LEU LYS VAL ILE GLU ASP SER LEU ALA ASP TYR PRO GLY SEQRES 7 A 201 PRO LEU ALA GLY MET LEU SER VAL MET GLN GLN GLU ALA SEQRES 8 A 201 GLY GLU TRP PHE LEU PHE CYS PRO CYS ASP THR PRO TYR SEQRES 9 A 201 ILE PRO PRO ASP LEU ALA ALA ARG LEU ASN HIS GLN ARG SEQRES 10 A 201 LYS ASP ALA PRO VAL VAL TRP VAL HIS ASP GLY GLU ARG SEQRES 11 A 201 ASP HIS PRO THR ILE ALA LEU VAL ASN ARG ALA ILE GLU SEQRES 12 A 201 PRO LEU LEU LEU GLU TYR LEU GLN ALA GLY GLU ARG ARG SEQRES 13 A 201 VAL MET VAL PHE MET ARG LEU ALA GLY GLY HIS ALA VAL SEQRES 14 A 201 ASP PHE SER ASP HIS LYS ASP ALA PHE VAL ASN VAL ASN SEQRES 15 A 201 THR PRO GLU GLU LEU ALA ARG TRP GLN GLU LYS ARG SER SEQRES 16 A 201 HIS HIS HIS HIS HIS HIS HET LI A 301 1 HET CIT A 302 13 HET CIT A 303 13 HETNAM LI LITHIUM ION HETNAM CIT CITRIC ACID FORMUL 2 LI LI 1+ FORMUL 3 CIT 2(C6 H8 O7) FORMUL 5 HOH *149(H2 O) HELIX 1 1 ASP A 24 LEU A 27 5 4 HELIX 2 2 LEU A 35 LEU A 47 1 13 HELIX 3 3 HIS A 57 ALA A 63 1 7 HELIX 4 4 GLY A 78 GLU A 90 1 13 HELIX 5 5 ASP A 108 GLN A 116 1 9 HELIX 6 6 ALA A 141 ALA A 152 1 12 HELIX 7 7 ARG A 156 ALA A 164 1 9 HELIX 8 8 THR A 183 ARG A 189 1 7 SHEET 1 A 7 VAL A 68 ILE A 69 0 SHEET 2 A 7 VAL A 50 ASN A 53 1 O VAL A 52 N ILE A 69 SHEET 3 A 7 ILE A 7 LEU A 12 1 O GLY A 9 N VAL A 51 SHEET 4 A 7 TRP A 94 PRO A 99 1 O TRP A 94 N THR A 8 SHEET 5 A 7 ASP A 131 ASN A 139 -1 O ALA A 136 N PHE A 97 SHEET 6 A 7 VAL A 122 HIS A 126 -1 O VAL A 123 N LEU A 137 SHEET 7 A 7 HIS A 167 ASP A 170 1 O HIS A 167 N TRP A 124 SHEET 1 B 2 GLU A 29 LEU A 30 0 SHEET 2 B 2 LYS A 33 PRO A 34 -1 O LYS A 33 N LEU A 30 LINK LI LI A 301 O5 CIT A 302 1555 1555 1.61 LINK LI LI A 301 O7 CIT A 302 1555 1555 1.54 LINK LI LI A 301 O7 CIT A 303 1555 1555 1.49 LINK LI LI A 301 O5 CIT A 303 1555 1555 1.59 SITE 1 AC1 3 HIS A 57 CIT A 302 CIT A 303 SITE 1 AC2 13 MET A 20 GLY A 22 ARG A 56 HIS A 57 SITE 2 AC2 13 ARG A 155 ARG A 156 VAL A 157 MET A 158 SITE 3 AC2 13 VAL A 159 LI A 301 CIT A 303 HOH A2143 SITE 4 AC2 13 HOH A2144 SITE 1 AC3 14 MET A 20 ARG A 56 HIS A 57 PRO A 79 SITE 2 AC3 14 PRO A 133 VAL A 157 MET A 158 LI A 301 SITE 3 AC3 14 CIT A 302 HOH A2143 HOH A2145 HOH A2146 SITE 4 AC3 14 HOH A2148 HOH A2149 CRYST1 76.574 41.758 54.528 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 0.013059 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023947 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018339 0.00000