HEADER ATP BINDING PROTEIN 12-FEB-98 1A48 TITLE SAICAR SYNTHASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHORIBOSYLAMINOIMIDAZOLE-SUCCINOCARBOXAMIDE COMPND 3 SYNTHASE; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: SAICAR SYNTHETASE; COMPND 6 EC: 6.3.2.6 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 STRAIN: GRF18 KEYWDS ATP BINDING PROTEIN, CRYSTAL STRUCTURE, KEYWDS 2 PHOSPHORIBOSYLAMINOIMIDAZOLESUCCINOCARBOXAMIDE (SAICAR) KEYWDS 3 SYNTHASE, PURINE BIOSYNTHESIS EXPDTA X-RAY DIFFRACTION AUTHOR V.M.LEVDIKOV,W.R.MELIK-ADAMYAN,V.S.LAMZIN,K.S.WILSON REVDAT 2 24-FEB-09 1A48 1 VERSN REVDAT 1 30-MAR-99 1A48 0 JRNL AUTH V.M.LEVDIKOV,V.V.BARYNIN,A.I.GREBENKO, JRNL AUTH 2 W.R.MELIK-ADAMYAN,V.S.LAMZIN,K.S.WILSON JRNL TITL THE STRUCTURE OF SAICAR SYNTHASE: AN ENZYME IN THE JRNL TITL 2 DE NOVO PATHWAY OF PURINE NUCLEOTIDE BIOSYNTHESIS. JRNL REF STRUCTURE V. 6 363 1998 JRNL REFN ISSN 0969-2126 JRNL PMID 9551557 JRNL DOI 10.1016/S0969-2126(98)00038-0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.V.ALENIN,K.V.OSTANIN,T.R.KOSTIKOVA,V.D.DOMKIN, REMARK 1 AUTH 2 V.A.ZUBOVA,M.N.SMIRNOV REMARK 1 TITL [SUBSTRATE SPECIFICITY OF REMARK 1 TITL 2 PHOSPHORIBOSYL-AMINOIMIDAZOLE-SUCCINOCARBOXYAMIDE REMARK 1 TITL 3 SYNTHETASE (SAICAR-SYNTHETASE) FROM SACCHAROMYCES REMARK 1 TITL 4 CEREVISIAE YEAST] (RUSSIAN) REMARK 1 REF BIOKHIMIIA V. 57 845 1992 REMARK 1 REFN ISSN 0320-9725 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.I.GREBENKO,V.M.LEVDIKOV,V.V.BARYNIN, REMARK 1 AUTH 2 W.R.MELIK-ADAMYAN,A.N.MYASNIKOV REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY REMARK 1 TITL 2 INVESTIGATION OF REMARK 1 TITL 3 PHOSPHORIBOSYLAMINOIMIDAZOLESUCCINOCARBOXAMIDE REMARK 1 TITL 4 SYNTHASE FROM THE YEAST SACCHAROMYCES CEREVISIAE REMARK 1 REF J.MOL.BIOL. V. 228 298 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH H.ZALKIN,J.E.DIXON REMARK 1 TITL DE NOVO PURINE NUCLEOTIDE BIOSYNTHESIS REMARK 1 REF PROG.NUCLEIC ACID V. 42 259 1992 REMARK 1 REF 2 RES.MOL.BIOL. REMARK 1 REFN ISSN 0079-6603 REMARK 1 REFERENCE 4 REMARK 1 AUTH A.N.MYASNIKOV,K.V.SASNAUSKAS,A.A.JANULAITIS, REMARK 1 AUTH 2 M.N.SMIRNOV REMARK 1 TITL THE SACCHAROMYCES CEREVISIAE ADE1 GENE: STRUCTURE, REMARK 1 TITL 2 OVEREXPRESSION AND POSSIBLE REGULATION BY GENERAL REMARK 1 TITL 3 AMINO ACID CONTROL REMARK 1 REF GENE V. 109 143 1991 REMARK 1 REFN ISSN 0378-1119 REMARK 1 REFERENCE 5 REMARK 1 AUTH K.V.OSTANIN,V.V.ALENIN,V.D.DOMKIN,M.N.SMIRNOV REMARK 1 TITL [ISOLATION AND PROPERTIES OF REMARK 1 TITL 2 PHOSPHORIBOSYL-AMINOIMIDAZOLE-SUCCINOCARBOXYAMIDE- REMARK 1 TITL 3 SYNTHETASE FROM SACCHAROMYCES CEREVISIAE YEASTS] REMARK 1 TITL 4 (RUSSIAN) REMARK 1 REF BIOKHIMIIA V. 54 1265 1989 REMARK 1 REFN ISSN 0320-9725 REMARK 1 REFERENCE 6 REMARK 1 AUTH A.N.MIASNIKOV,IU.A.PLAVNIK,K.V.SASNAUSKAS, REMARK 1 AUTH 2 G.K.GEDMINENE,A.A.IANULAITIS REMARK 1 TITL [NUCLEOTIDE SEQUENCE OF THE ADE 1 GENE OF THE REMARK 1 TITL 2 YEAST SACCHAROMYCES CEREVISIAE] (RUSSIAN) REMARK 1 REF BIOORG.KHIM. V. 12 555 1986 REMARK 1 REFN ISSN 0132-3423 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : ARP/WARP, PROLSQ REMARK 3 AUTHORS : LAMZIN,PERRAKIS,MORRIS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 24879 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.153 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 24879 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2383 REMARK 3 NUCLEIC ACID ATOMS : NULL REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 319 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.20 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) : 0.16 REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.020 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.041 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.041 ; 0.030 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.017 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.213 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.183 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.273 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.242 ; 0.300 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) : 3.119 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 20.180; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 29.790; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.179 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.297 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.444 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 8.270 ; 4.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE LAST CYCLES OF REFINEMENT REMARK 3 INCLUDED THE PARTIAL CONTRIBUTION FROM HYDROGEN ATOMS PLACED REMARK 3 AT THEIR IDEALISED POSITIONS WHICH RESULTED IN IMPROVEMENT OF REMARK 3 THE R FACTOR BY ABOUT 0.010. REMARK 4 REMARK 4 1A48 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 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 : NOV-91 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X31 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : TOROIDAL MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24879 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 26.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.17000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 7.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: ARP/WARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 31.30000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.60000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.85000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.60000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.30000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.85000 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 LYS A 164 REMARK 465 ALA A 165 REMARK 465 GLU A 166 REMARK 465 GLN A 167 REMARK 465 GLY A 168 REMARK 465 GLU A 169 REMARK 465 HIS A 170 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 OE1 GLU A 52 NH2 ARG A 289 2.03 REMARK 500 OE1 GLN A 146 O HOH A 456 2.12 REMARK 500 C ACE A 1 O HOH A 517 2.12 REMARK 500 O HIS A 306 O HOH A 451 2.12 REMARK 500 N SER A 2 O HOH A 517 2.13 REMARK 500 O HOH A 366 O HOH A 461 2.16 REMARK 500 REMARK 500 REMARK: NULL 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 17 NH1 - CZ - NH2 ANGL. DEV. = 7.8 DEGREES REMARK 500 ARG A 17 NH1 - CZ - NH2 ANGL. DEV. = -8.2 DEGREES REMARK 500 ARG A 17 NE - CZ - NH1 ANGL. DEV. = -5.0 DEGREES REMARK 500 ARG A 17 NE - CZ - NH2 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 21 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ASP A 37 CB - CG - OD1 ANGL. DEV. = 7.5 DEGREES REMARK 500 ASP A 37 CB - CG - OD2 ANGL. DEV. = -6.9 DEGREES REMARK 500 ARG A 38 CD - NE - CZ ANGL. DEV. = 12.2 DEGREES REMARK 500 ARG A 38 NE - CZ - NH2 ANGL. DEV. = 7.4 DEGREES REMARK 500 SER A 40 N - CA - CB ANGL. DEV. = -9.1 DEGREES REMARK 500 ARG A 73 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 ASP A 78 CB - CG - OD1 ANGL. DEV. = 7.0 DEGREES REMARK 500 ASP A 78 CB - CG - OD2 ANGL. DEV. = -7.5 DEGREES REMARK 500 ASP A 87 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 LYS A 97 CA - CB - CG ANGL. DEV. = 14.0 DEGREES REMARK 500 ARG A 105 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 THR A 163 CA - C - O ANGL. DEV. = -18.7 DEGREES REMARK 500 ARG A 190 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 190 NE - CZ - NH2 ANGL. DEV. = -4.1 DEGREES REMARK 500 ASP A 204 CB - CG - OD1 ANGL. DEV. = 7.6 DEGREES REMARK 500 ASP A 204 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 GLU A 208 CA - CB - CG ANGL. DEV. = 24.1 DEGREES REMARK 500 GLU A 219 OE1 - CD - OE2 ANGL. DEV. = 11.7 DEGREES REMARK 500 ILE A 222 CB - CA - C ANGL. DEV. = -16.6 DEGREES REMARK 500 ILE A 222 N - CA - CB ANGL. DEV. = 14.5 DEGREES REMARK 500 VAL A 232 CA - CB - CG2 ANGL. DEV. = 11.5 DEGREES REMARK 500 ASP A 233 CB - CG - OD1 ANGL. DEV. = -5.7 DEGREES REMARK 500 GLU A 234 OE1 - CD - OE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 LEU A 236 CA - CB - CG ANGL. DEV. = 21.2 DEGREES REMARK 500 ARG A 242 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ASP A 259 CB - CG - OD1 ANGL. DEV. = 9.7 DEGREES REMARK 500 ARG A 287 CD - NE - CZ ANGL. DEV. = 10.7 DEGREES REMARK 500 ARG A 287 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 THR A 300 N - CA - CB ANGL. DEV. = -13.6 DEGREES REMARK 500 THR A 300 CA - CB - CG2 ANGL. DEV. = 8.5 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 ASP A 104 -1.94 68.43 REMARK 500 SER A 151 4.68 80.67 REMARK 500 ASP A 233 -156.01 45.07 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 361 DISTANCE = 5.00 ANGSTROMS REMARK 525 HOH A 615 DISTANCE = 6.19 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 307 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 308 DBREF 1A48 A 2 306 UNP P27616 PUR7_YEAST 2 306 SEQRES 1 A 306 ACE SER ILE THR LYS THR GLU LEU ASP GLY ILE LEU PRO SEQRES 2 A 306 LEU VAL ALA ARG GLY LYS VAL ARG ASP ILE TYR GLU VAL SEQRES 3 A 306 ASP ALA GLY THR LEU LEU PHE VAL ALA THR ASP ARG ILE SEQRES 4 A 306 SER ALA TYR ASP VAL ILE MET GLU ASN SER ILE PRO GLU SEQRES 5 A 306 LYS GLY ILE LEU LEU THR LYS LEU SER GLU PHE TRP PHE SEQRES 6 A 306 LYS PHE LEU SER ASN ASP VAL ARG ASN HIS LEU VAL ASP SEQRES 7 A 306 ILE ALA PRO GLY LYS THR ILE PHE ASP TYR LEU PRO ALA SEQRES 8 A 306 LYS LEU SER GLU PRO LYS TYR LYS THR GLN LEU GLU ASP SEQRES 9 A 306 ARG SER LEU LEU VAL HIS LYS HIS LYS LEU ILE PRO LEU SEQRES 10 A 306 GLU VAL ILE VAL ARG GLY TYR ILE THR GLY SER ALA TRP SEQRES 11 A 306 LYS GLU TYR VAL LYS THR GLY THR VAL HIS GLY LEU LYS SEQRES 12 A 306 GLN PRO GLN GLY LEU LYS GLU SER GLN GLU PHE PRO GLU SEQRES 13 A 306 PRO ILE PHE THR PRO SER THR LYS ALA GLU GLN GLY GLU SEQRES 14 A 306 HIS ASP GLU ASN ILE SER PRO ALA GLN ALA ALA GLU LEU SEQRES 15 A 306 VAL GLY GLU ASP LEU SER ARG ARG VAL ALA GLU LEU ALA SEQRES 16 A 306 VAL LYS LEU TYR SER LYS CYS LYS ASP TYR ALA LYS GLU SEQRES 17 A 306 LYS GLY ILE ILE ILE ALA ASP THR LYS PHE GLU PHE GLY SEQRES 18 A 306 ILE ASP GLU LYS THR ASN GLU ILE ILE LEU VAL ASP GLU SEQRES 19 A 306 VAL LEU THR PRO ASP SER SER ARG PHE TRP ASN GLY ALA SEQRES 20 A 306 SER TYR LYS VAL GLY GLU SER GLN ASP SER TYR ASP LYS SEQRES 21 A 306 GLN PHE LEU ARG ASP TRP LEU THR ALA ASN LYS LEU ASN SEQRES 22 A 306 GLY VAL ASN GLY VAL LYS MET PRO GLN ASP ILE VAL ASP SEQRES 23 A 306 ARG THR ARG ALA LYS TYR ILE GLU ALA TYR GLU THR LEU SEQRES 24 A 306 THR GLY SER LYS TRP SER HIS HET ACE A 1 3 HET SO4 A 307 10 HET SO4 A 308 5 HETNAM ACE ACETYL GROUP HETNAM SO4 SULFATE ION FORMUL 1 ACE C2 H4 O FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 HOH *319(H2 O) HELIX 1 A1 GLU A 52 VAL A 72 1SEE REMARK 650 21 HELIX 2 A2 THR A 84 TYR A 88 5 5 HELIX 3 A3 PRO A 90 GLU A 95 5 6 HELIX 4 A4 GLU A 95 GLU A 103 13/10 BONDS E95-Y98 9 HELIX 5 B1 SER A 128 GLY A 137 1 10 HELIX 6 B2 SER A 175 GLY A 184 1 10 HELIX 7 B3 GLY A 184 GLY A 210 13/10 BONDS 206-209,207-210 27 HELIX 8 C1 LYS A 260 LYS A 271 1SEE REMARK 650 12 HELIX 9 C2 PRO A 281 GLY A 301 13/10 BONDS P281-I284 21 SHEET 1 A 7 PRO A 13 GLY A 18 0 SHEET 2 A 7 VAL A 20 ASP A 27 -1 SHEET 3 A 7 THR A 30 THR A 36 -1 SHEET 4 A 7 ARG A 105 LYS A 111 -1 SHEET 5 A 7 HIS A 75 VAL A 77 1 SHEET 6 A 7 ILE A 39 ALA A 41 0 SHEET 7 A 7 VAL A 44 MET A 46 -1 SHEET 1 B 8 GLU A 172 ILE A 174 0 SHEET 2 B 8 SER A 151 THR A 163 -1 SHEET 3 B 8 LYS A 113 ILE A 125 -1 SHEET 4 B 8 GLY A 210 ASP A 223 -1 SHEET 5 B 8 ASN A 227 VAL A 232 -1 SHEET 6 B 8 ARG A 242 GLY A 246 0 SHEET 7 B 8 GLY A 137 VAL A 139 0 SHEET 8 B 8 LEU A 142 GLN A 144 -1 LINK C ACE A 1 N SER A 2 1555 1555 1.35 SITE 1 AC1 6 ARG A 122 GLY A 127 SER A 128 ARG A 242 SITE 2 AC1 6 HOH A 498 HOH A 583 SITE 1 AC2 5 LYS A 19 VAL A 20 ARG A 21 HOH A 483 SITE 2 AC2 5 HOH A 507 CRYST1 62.600 63.700 81.200 90.00 90.00 90.00 P 21 21 21 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 0.015974 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015699 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012315 0.00000 HETATM 1 C ACE A 1 15.887 45.520 -2.915 1.00 41.96 C HETATM 2 O ACE A 1 14.771 46.050 -2.677 1.00 47.08 O HETATM 3 CH3 ACE A 1 17.048 45.401 -1.887 1.00 46.03 C