PDB Short entry for 3CTS HEADER OXO-ACID-LYASE 27-JAN-84 3CTS TITLE CRYSTALLOGRAPHIC REFINEMENT AND ATOMIC MODELS OF TWO DIFFERENT FORMS TITLE 2 OF CITRATE SYNTHASE AT 2.7 AND 1.7 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CITRATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 EC: 4.1.3.7; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 TISSUE: HEART MUSCLE KEYWDS OXO-ACID-LYASE EXPDTA X-RAY DIFFRACTION AUTHOR S.REMINGTON,G.WIEGAND,R.HUBER REVDAT 8 29-NOV-17 3CTS 1 REMARK HELIX REVDAT 7 13-JUL-11 3CTS 1 VERSN REVDAT 6 25-AUG-09 3CTS 1 SOURCE REVDAT 5 24-FEB-09 3CTS 1 VERSN REVDAT 4 01-APR-03 3CTS 1 JRNL REVDAT 3 09-OCT-88 3CTS 1 FORMUL REVDAT 2 09-APR-85 3CTS 1 JRNL REVDAT 1 20-JUL-84 3CTS 0 JRNL AUTH S.REMINGTON,G.WIEGAND,R.HUBER JRNL TITL CRYSTALLOGRAPHIC REFINEMENT AND ATOMIC MODELS OF TWO JRNL TITL 2 DIFFERENT FORMS OF CITRATE SYNTHASE AT 2.7 AND 1.7 A JRNL TITL 3 RESOLUTION. JRNL REF J.MOL.BIOL. V. 158 111 1982 JRNL REFN ISSN 0022-2836 JRNL PMID 7120407 JRNL DOI 10.1016/0022-2836(82)90452-1 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.WIEGAND,D.KUKLA,H.SCHOLZE,T.A.JONES,R.HUBER REMARK 1 TITL CRYSTAL STRUCTURE ANALYSIS OF THE TETRAGONAL CRYSTAL FORM REMARK 1 TITL 2 AND PRELIMINARY MOLECULAR MODEL OF PIG-HEART CITRATE REMARK 1 TITL 3 SYNTHASE REMARK 1 REF EUR.J.BIOCHEM. V. 93 41 1979 REMARK 1 REFN ISSN 0014-2956 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.P.BLOXHAM,D.C.PARMELEE,S.KUMAR,R.D.WADE,L.H.ERICSSON, REMARK 1 AUTH 2 H.NEURATH,K.A.WALSH,K.TITANI REMARK 1 TITL PRIMARY STRUCTURE OF PORCINE HEART CITRATE SYNTHASE REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 78 5381 1981 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : EREF REMARK 3 AUTHORS : JACK,LEVITT REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL 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 : NULL 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 SET) : 0.192 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 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 : 3309 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 59 REMARK 3 SOLVENT ATOMS : 101 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 2.900 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 3CTS 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_1000178929. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL 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 : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 52.07000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.12500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 52.07000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 39.12500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12570 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 29270 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 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 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 UNK A 293 REMARK 465 UNK A 294 REMARK 465 UNK A 435 REMARK 465 UNK A 436 REMARK 465 UNK A 437 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 UNK A 83 REMARK 475 UNK A 292 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 UNK A 1 N CA O CB REMARK 480 UNK A 3 N CA CB OG REMARK 480 UNK A 23 CG2 REMARK 480 UNK A 26 CG CD OE1 NE2 REMARK 480 UNK A 27 CD OE1 NE2 REMARK 480 UNK A 32 CB REMARK 480 UNK A 33 CD1 REMARK 480 UNK A 49 CB CG CD CE NZ REMARK 480 UNK A 76 NZ REMARK 480 UNK A 81 O REMARK 480 UNK A 82 C O REMARK 480 UNK A 84 N REMARK 480 UNK A 100 OE1 NE2 REMARK 480 UNK A 110 CD1 CD2 REMARK 480 UNK A 112 CD CE NZ REMARK 480 UNK A 116 CD CE NZ REMARK 480 UNK A 118 O REMARK 480 UNK A 156 CG CD CZ NH1 NH2 REMARK 480 UNK A 160 CD OE1 OE2 REMARK 480 UNK A 166 CE NZ REMARK 480 UNK A 174 OG REMARK 480 UNK A 196 CB REMARK 480 UNK A 197 O REMARK 480 UNK A 202 CB REMARK 480 UNK A 295 O REMARK 480 UNK A 302 NE CZ NH1 NH2 REMARK 480 UNK A 304 OH REMARK 480 UNK A 335 CG CD OE1 OE2 REMARK 480 UNK A 339 NZ REMARK 480 UNK A 348 CE NZ REMARK 480 UNK A 369 OD1 REMARK 480 UNK A 390 SD 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 CE UNK A 127 CE UNK A 127 2555 1.99 REMARK 500 NH2 UNK A 164 O8A COA A 438 2555 2.09 REMARK 500 O UNK A 3 NH2 UNK A 313 1554 2.16 REMARK 500 CB UNK A 1 O HOH A 523 1554 2.18 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 UNK A 66 O - C - N ANGL. DEV. = -12.2 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 UNK A 2 -169.34 61.91 REMARK 500 UNK A 3 -157.95 -128.99 REMARK 500 UNK A 5 106.76 -161.19 REMARK 500 UNK A 34 178.15 173.20 REMARK 500 UNK A 44 35.60 71.84 REMARK 500 UNK A 47 -9.55 93.97 REMARK 500 UNK A 63 -172.56 95.31 REMARK 500 UNK A 67 -88.20 -93.22 REMARK 500 UNK A 82 -111.25 -150.65 REMARK 500 UNK A 99 -11.74 87.15 REMARK 500 UNK A 161 38.25 79.30 REMARK 500 UNK A 196 122.95 -38.31 REMARK 500 UNK A 197 -11.69 105.27 REMARK 500 UNK A 201 -164.17 75.76 REMARK 500 UNK A 218 20.14 100.89 REMARK 500 UNK A 238 58.04 -150.59 REMARK 500 UNK A 239 -177.81 52.56 REMARK 500 UNK A 274 -127.11 -124.24 REMARK 500 UNK A 291 -87.58 -79.11 REMARK 500 UNK A 317 -12.74 101.30 REMARK 500 UNK A 319 167.01 96.31 REMARK 500 UNK A 386 -4.85 106.47 REMARK 500 UNK A 421 85.63 -152.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 UNK A 49 11.09 REMARK 500 UNK A 51 -12.13 REMARK 500 UNK A 66 -16.51 REMARK 500 UNK A 67 -16.33 REMARK 500 UNK A 81 10.43 REMARK 500 UNK A 145 -10.17 REMARK 500 UNK A 170 -12.28 REMARK 500 UNK A 222 -10.38 REMARK 500 UNK A 239 11.01 REMARK 500 UNK A 242 10.22 REMARK 500 UNK A 278 13.01 REMARK 500 UNK A 286 -11.21 REMARK 500 UNK A 291 17.96 REMARK 500 UNK A 413 -10.25 REMARK 500 UNK A 431 -13.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 COA A 438 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE COA A 438 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 439 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCE OF CHICKEN HEART CITRATE SYNTHASE HAS NOT BEEN REMARK 999 DETERMINED. IT IS EXPECTED TO BE HIGHLY HOMOLOGOUS TO THE REMARK 999 SEQUENCE OF THE PIG HEART ENZYME. THE SEQUENCE FOR THE PIG REMARK 999 ENZYME WAS USED AS A GUIDE IN BUILDING THIS MODEL. DBREF 3CTS A 1 437 PDB 3CTS 3CTS 1 437 SEQRES 1 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 2 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 3 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 4 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 5 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 6 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 7 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 8 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 9 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 10 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 11 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 12 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 13 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 14 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 15 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 16 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 17 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 18 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 19 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 20 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 21 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 22 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 23 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 24 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 25 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 26 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 27 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 28 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 29 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 30 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 31 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 32 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 33 A 437 UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK SEQRES 34 A 437 UNK UNK UNK UNK UNK UNK UNK UNK HET COA A 438 46 HET CIT A 439 13 HETNAM COA COENZYME A HETNAM CIT CITRIC ACID FORMUL 2 COA C21 H36 N7 O16 P3 S FORMUL 3 CIT C6 H8 O7 FORMUL 4 HOH *101(H2 O) HELIX 1 A UNK A 5 UNK A 29 1 25 HELIX 2 B UNK A 37 UNK A 43 1 7 HELIX 3 C UNK A 70 UNK A 78 1 9 HELIX 4 D UNK A 88 UNK A 99 1 12 HELIX 5 E UNK A 103 UNK A 118 1 16 HELIX 6 F UNK A 121 UNK A 131 1 11 HELIX 7 G UNK A 136 UNK A 152 1 17 HELIX 8 H UNK A 153 UNK A 161 1 9 HELIX 9 I UNK A 163 UNK A 195 1 33 HELIX 10 J UNK A 208 UNK A 218 1 11 HELIX 11 K UNK A 221 UNK A 236 1 16 HELIX 12 L UNK A 242 UNK A 255 1 14 HELIX 13 M UNK A 257 UNK A 271 1 15 HELIX 14 N UNK A 274 UNK A 291 1 18 HELIX 15 O UNK A 297 UNK A 312 1 16 HELIX 16 P UNK A 327 UNK A 341 1 15 HELIX 17 Q UNK A 344 UNK A 365 1 22 HELIX 18 R UNK A 373 UNK A 386 1 14 HELIX 19 S UNK A 390 UNK A 416 1 27 HELIX 20 T UNK A 426 UNK A 433 1 8 SHEET 1 A 2 UNK A 57 UNK A 59 0 SHEET 2 A 2 UNK A 62 UNK A 65 -1 O UNK A 65 N UNK A 57 SITE 1 AC1 22 UNK A 46 UNK A 164 UNK A 273 UNK A 274 SITE 2 AC1 22 UNK A 277 UNK A 309 UNK A 314 UNK A 315 SITE 3 AC1 22 UNK A 316 UNK A 317 UNK A 318 UNK A 319 SITE 4 AC1 22 UNK A 320 UNK A 321 UNK A 366 UNK A 367 SITE 5 AC1 22 UNK A 368 UNK A 373 CIT A 439 HOH A 477 SITE 6 AC1 22 HOH A 485 HOH A 537 SITE 1 AC2 12 UNK A 238 UNK A 242 UNK A 274 UNK A 320 SITE 2 AC2 12 UNK A 329 UNK A 375 UNK A 401 UNK A 421 SITE 3 AC2 12 COA A 438 HOH A 518 HOH A 519 HOH A 520 CRYST1 104.140 78.250 58.400 90.00 78.50 90.00 C 1 2 1 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 0.009602 0.000000 -0.001954 0.00000 SCALE2 0.000000 0.012780 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017474 0.00000