HEADER OXIDOREDUCTASE 26-MAR-98 1NAS TITLE SEPIAPTERIN REDUCTASE COMPLEXED WITH N-ACETYL SEROTONIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SEPIAPTERIN REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.1.1.153; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 ORGAN: BRAIN; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SEPIAPTERIN REDUCTASE, OXIDOREDUCTASE, SHORT-CHAIN DEHYDROGENASE, SDR KEYWDS 2 FAMILY, N-ACETYL SEROTONIN, TETRAHYDROBIOPTERIN EXPDTA X-RAY DIFFRACTION AUTHOR G.AUERBACH,A.HERRMANN,A.BACHER,R.HUBER REVDAT 4 14-FEB-24 1NAS 1 REMARK REVDAT 3 13-JUL-11 1NAS 1 VERSN REVDAT 2 24-FEB-09 1NAS 1 VERSN REVDAT 1 30-MAR-99 1NAS 0 JRNL AUTH G.AUERBACH,A.HERRMANN,M.GUTLICH,M.FISCHER,U.JACOB,A.BACHER, JRNL AUTH 2 R.HUBER JRNL TITL THE 1.25 A CRYSTAL STRUCTURE OF SEPIAPTERIN REDUCTASE JRNL TITL 2 REVEALS ITS BINDING MODE TO PTERINS AND BRAIN JRNL TITL 3 NEUROTRANSMITTERS. JRNL REF EMBO J. V. 16 7219 1997 JRNL REFN ISSN 0261-4189 JRNL PMID 9405351 JRNL DOI 10.1093/EMBOJ/16.24.7219 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.AUERBACH,H.NAR REMARK 1 TITL THE PATHWAY FROM GTP TO TETRAHYDROBIOPTERIN: REMARK 1 TITL 2 THREE-DIMENSIONAL STRUCTURES OF GTP CYCLOHYDROLASE I AND REMARK 1 TITL 3 6-PYRUVOYL TETRAHYDROPTERIN SYNTHASE REMARK 1 REF BIOL.CHEM. V. 378 185 1997 REMARK 1 REFN ISSN 1431-6730 REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 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 : 22742 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) : 0.166 REMARK 3 FREE R VALUE : 0.202 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 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 : 1935 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 73 REMARK 3 SOLVENT ATOMS : 412 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.50 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.738 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: NULL REMARK 4 REMARK 4 1NAS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175212. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-OCT-96 REMARK 200 TEMPERATURE (KELVIN) : 280 REMARK 200 PH : 4.7 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23193 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.7 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 70.14000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 35.07000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 52.60500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 17.53500 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 87.67500 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 70.14000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 35.07000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 17.53500 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 52.60500 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 87.67500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 8270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19240 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 52.60500 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 CB PRO A 190 O HOH A 1205 1.91 REMARK 500 O HOH A 1178 O HOH A 1212 2.07 REMARK 500 CG PRO A 190 O HOH A 1205 2.08 REMARK 500 CA PRO A 190 O HOH A 1205 2.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 CA GLY A 5 O HOH A 1207 12564 0.46 REMARK 500 O HOH A 1213 O HOH A 1213 9555 0.82 REMARK 500 C GLY A 5 O HOH A 1207 12564 1.44 REMARK 500 N GLY A 5 O HOH A 1207 12564 1.51 REMARK 500 O HOH A 1202 O HOH A 1202 10665 2.04 REMARK 500 O HOH A 1107 O HOH A 1211 10665 2.05 REMARK 500 O HOH A 881 O HOH A 1204 9555 2.18 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 ALA A 42 -179.63 174.10 REMARK 500 GLU A 91 -90.68 -34.55 REMARK 500 PRO A 147 -11.07 -46.44 REMARK 500 SER A 157 -150.76 -106.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OAA A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ASE A 801 DBREF 1NAS A 3 261 UNP Q64105 SPRE_MOUSE 3 261 SEQRES 1 A 259 ALA ASP GLY LEU GLY CYS ALA VAL CYS VAL LEU THR GLY SEQRES 2 A 259 ALA SER ARG GLY PHE GLY ARG ALA LEU ALA PRO GLN LEU SEQRES 3 A 259 ALA ARG LEU LEU SER PRO GLY SER VAL MET LEU VAL SER SEQRES 4 A 259 ALA ARG SER GLU SER MET LEU ARG GLN LEU LYS GLU GLU SEQRES 5 A 259 LEU GLY ALA GLN GLN PRO ASP LEU LYS VAL VAL LEU ALA SEQRES 6 A 259 ALA ALA ASP LEU GLY THR GLU ALA GLY VAL GLN ARG LEU SEQRES 7 A 259 LEU SER ALA VAL ARG GLU LEU PRO ARG PRO GLU GLY LEU SEQRES 8 A 259 GLN ARG LEU LEU LEU ILE ASN ASN ALA ALA THR LEU GLY SEQRES 9 A 259 ASP VAL SER LYS GLY PHE LEU ASN VAL ASN ASP LEU ALA SEQRES 10 A 259 GLU VAL ASN ASN TYR TRP ALA LEU ASN LEU THR SER MET SEQRES 11 A 259 LEU CYS LEU THR SER GLY THR LEU ASN ALA PHE GLN ASP SEQRES 12 A 259 SER PRO GLY LEU SER LYS THR VAL VAL ASN ILE SER SER SEQRES 13 A 259 LEU CYS ALA LEU GLN PRO TYR LYS GLY TRP GLY LEU TYR SEQRES 14 A 259 CYS ALA GLY LYS ALA ALA ARG ASP MET LEU TYR GLN VAL SEQRES 15 A 259 LEU ALA ALA GLU GLU PRO SER VAL ARG VAL LEU SER TYR SEQRES 16 A 259 ALA PRO GLY PRO LEU ASP ASN ASP MET GLN GLN LEU ALA SEQRES 17 A 259 ARG GLU THR SER LYS ASP PRO GLU LEU ARG SER LYS LEU SEQRES 18 A 259 GLN LYS LEU LYS SER ASP GLY ALA LEU VAL ASP CYS GLY SEQRES 19 A 259 THR SER ALA GLN LYS LEU LEU GLY LEU LEU GLN LYS ASP SEQRES 20 A 259 THR PHE GLN SER GLY ALA HIS VAL ASP PHE TYR ASP HET OAA A 1 9 HET NAP A 800 48 HET ASE A 801 16 HETNAM OAA OXALOACETATE ION HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM ASE N-ACETYL SEROTONIN HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE FORMUL 2 OAA C4 H3 O5 1- FORMUL 3 NAP C21 H28 N7 O17 P3 FORMUL 4 ASE C12 H14 N2 O2 FORMUL 5 HOH *412(H2 O) HELIX 1 1 GLY A 19 LEU A 31 1 13 HELIX 2 2 GLU A 45 GLN A 58 1 14 HELIX 3 3 GLU A 74 ARG A 85 1 12 HELIX 4 4 PHE A 112 ASN A 114 5 3 HELIX 5 5 LEU A 118 ASN A 128 1 11 HELIX 6 6 THR A 130 ALA A 142 1 13 HELIX 7 7 LEU A 159 ALA A 161 5 3 HELIX 8 8 GLY A 169 GLU A 188 1 20 HELIX 9 9 ASP A 205 THR A 213 1 9 HELIX 10 10 PRO A 217 SER A 228 1 12 HELIX 11 11 CYS A 235 LYS A 248 1 14 SHEET 1 A 7 LYS A 63 ALA A 68 0 SHEET 2 A 7 VAL A 37 ALA A 42 1 N MET A 38 O LYS A 63 SHEET 3 A 7 ALA A 9 LEU A 13 1 N CYS A 11 O VAL A 37 SHEET 4 A 7 ARG A 95 ASN A 100 1 N ARG A 95 O VAL A 10 SHEET 5 A 7 SER A 150 SER A 157 1 N SER A 150 O LEU A 96 SHEET 6 A 7 VAL A 192 ALA A 198 1 N ARG A 193 O LYS A 151 SHEET 7 A 7 ALA A 255 ASP A 258 1 N ALA A 255 O SER A 196 SITE 1 AC1 8 SER A 158 TRP A 168 TYR A 171 GLN A 207 SITE 2 AC1 8 ALA A 210 LEU A 223 NAP A 800 ASE A 801 SITE 1 AC2 34 OAA A 1 GLY A 15 SER A 17 ARG A 18 SITE 2 AC2 34 GLY A 19 PHE A 20 ALA A 42 ARG A 43 SITE 3 AC2 34 SER A 44 ALA A 69 ASP A 70 LEU A 71 SITE 4 AC2 34 ASN A 101 ALA A 102 ALA A 103 LEU A 127 SITE 5 AC2 34 ILE A 156 SER A 157 TYR A 171 LYS A 175 SITE 6 AC2 34 PRO A 199 GLY A 200 LEU A 202 ASN A 204 SITE 7 AC2 34 MET A 206 GLN A 207 HOH A 813 HOH A 814 SITE 8 AC2 34 HOH A 825 HOH A 867 HOH A 881 HOH A 888 SITE 9 AC2 34 HOH A 998 HOH A1204 SITE 1 AC3 9 OAA A 1 LEU A 159 TYR A 165 TRP A 168 SITE 2 AC3 9 GLY A 200 LEU A 219 LYS A 222 ASP A 258 SITE 3 AC3 9 TYR A 260 CRYST1 116.960 116.960 105.210 90.00 90.00 120.00 P 65 2 2 12 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 0.008550 0.004936 0.000000 0.00000 SCALE2 0.000000 0.009873 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009505 0.00000