10 20 30 40 50 60 70 80 1KTA - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TRANSFERASE 15-JAN-02 1KTA
TITLE HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE : THREE DIMENSIONAL TITLE 2 STRUCTURE OF THE ENZYME IN ITS PYRIDOXAMINE PHOSPHATE FORM.
COMPND MOL_ID: 1; COMPND 2 MOLECULE: BRANCHED-CHAIN AMINO ACID AMINOTRANSFERASE, MITOCHONDRIAL; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BCAT(M); COMPND 5 EC: 2.6.1.42; COMPND 6 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-28A
KEYWDS FOLD TYPE IV, TRANSFERASE
EXPDTA X-RAY DIFFRACTION
AUTHOR N.H.YENNAWAR,M.E.CONWAY,H.P.YENNAWAR,G.K.FARBER,S.M.HUTSON
REVDAT 3 13-JUL-11 1KTA 1 VERSN REVDAT 2 24-FEB-09 1KTA 1 VERSN REVDAT 1 20-NOV-02 1KTA 0
JRNL AUTH N.H.YENNAWAR,M.E.CONWAY,H.P.YENNAWAR,G.K.FARBER,S.M.HUTSON JRNL TITL CRYSTAL STRUCTURES OF HUMAN MITOCHONDRIAL BRANCHED CHAIN JRNL TITL 2 AMINOTRANSFERASE REACTION INTERMEDIATES: KETIMINE AND JRNL TITL 3 PYRIDOXAMINE PHOSPHATE FORMS JRNL REF BIOCHEMISTRY V. 41 11592 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12269802 JRNL DOI 10.1021/BI020221C
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.YENNAWAR,J.DUNBAR,M.CONWAY,S.HUTSON,G.FARBER REMARK 1 TITL THE STRUCTURE OF HUMAN MITOCHONDRIAL BRANCHED-CHAIN REMARK 1 TITL 2 AMINOTRANSFERASE REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 57 506 2001 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444901001925 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.K.BLEDSOE,P.A.DAWSON,S.M.HUTSON REMARK 1 TITL CLONING OF THE RAT AND HUMAN MITOCHONDRIAL BRANCHED AMINO REMARK 1 TITL 2 ACID AMINOTRANSFERASE (BCATM). REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1339 9 1997 REMARK 1 REFN ISSN 0006-3002 REMARK 1 DOI 10.1016/S0167-4838(97)00044-7
REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.96 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.9 REMARK 3 NUMBER OF REFLECTIONS : 61024 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) : 0.240 REMARK 3 FREE R VALUE : 0.287 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3077 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 9148 REMARK 3 BIN R VALUE (WORKING SET) : 0.2940 REMARK 3 BIN FREE R VALUE : 0.3080 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 483 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5820 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 74 REMARK 3 SOLVENT ATOMS : 243 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -6.24000 REMARK 3 B22 (A**2) : -3.02000 REMARK 3 B33 (A**2) : 9.26000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.23 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.018 REMARK 3 BOND ANGLES (DEGREES) : 2.00 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.30 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.710 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.280 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.040 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.670 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 43.68 REMARK 3 REMARK 3 NCS MODEL : CONSTRAINED 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : PMP.PARAM REMARK 3 PARAMETER FILE 4 : ACY+GLYC.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : PMP.TOP REMARK 3 TOPOLOGY FILE 4 : ACY+GLYC.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE ATOMS OF THE HET GROUP KIV REPRESENT THE PRODUCT, REMARK 3 KETO ISO VALERATE OF THE REACTION. THESE ATOMS APPEAR REMARK 3 ONLY AT LOW CONTOUR LEVELS.
REMARK 4 REMARK 4 1KTA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JAN-02. REMARK 100 THE RCSB ID CODE IS RCSB015320.
REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-APR-99 REMARK 200 TEMPERATURE (KELVIN) : 223.0 REMARK 200 PH : 6.90 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0721 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62273 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 200 DATA REDUNDANCY : 1.600 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 0.2150 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) : 1.93 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.1 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.40300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 0.022 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL
REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.90
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 34.72500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.91450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.65400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.91450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.72500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.65400 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 REMARK 350 TOTAL BURIED SURFACE AREA: 6470 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28310 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 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 O LYS A 6 N ALA A 8 2.06 REMARK 500 O GLY B 838 O HOH B 239 2.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 CYS A 168 CB CYS A 168 SG -0.116 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 PRO A 175 C - N - CA ANGL. DEV. = 9.9 DEGREES REMARK 500 PRO A 339 C - N - CA ANGL. DEV. = 16.7 DEGREES REMARK 500 PRO A 339 C - N - CD ANGL. DEV. = -29.6 DEGREES REMARK 500 PRO B 527 N - CA - C ANGL. DEV. = 16.3 DEGREES REMARK 500 PRO B 527 C - N - CA ANGL. DEV. = 14.0 DEGREES REMARK 500 PRO B 527 C - N - CD ANGL. DEV. = -14.8 DEGREES REMARK 500 VAL B 529 N - CA - C ANGL. DEV. = -18.7 DEGREES REMARK 500 ASP B 585 N - CA - C ANGL. DEV. = -23.3 DEGREES REMARK 500 ARG B 804 NE - CZ - NH2 ANGL. DEV. = -3.8 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 ALA A 7 18.47 -46.82 REMARK 500 ALA A 8 42.74 -70.22 REMARK 500 ASP A 9 100.23 -35.54 REMARK 500 LEU A 10 64.04 -53.93 REMARK 500 GLN A 11 171.59 50.60 REMARK 500 LYS A 17 60.20 -169.42 REMARK 500 PRO A 22 115.64 -38.03 REMARK 500 GLU A 26 57.43 17.89 REMARK 500 PRO A 27 65.81 -105.60 REMARK 500 ASN A 44 -158.47 -154.91 REMARK 500 ASN A 149 35.17 -153.65 REMARK 500 TYR A 173 93.68 -68.60 REMARK 500 PHE A 174 90.91 62.58 REMARK 500 PRO A 175 68.71 -52.70 REMARK 500 THR A 236 -71.74 -102.43 REMARK 500 HIS A 249 -165.89 -67.21 REMARK 500 ASP A 327 -0.85 64.07 REMARK 500 PRO A 333 23.89 -69.07 REMARK 500 PRO A 339 57.37 2.18 REMARK 500 SER B 504 179.54 175.60 REMARK 500 PHE B 505 123.98 55.76 REMARK 500 LEU B 510 45.89 -45.81 REMARK 500 GLN B 511 -174.05 61.97 REMARK 500 PRO B 522 158.49 -45.36 REMARK 500 GLU B 526 -70.55 -73.53 REMARK 500 PRO B 527 -149.95 -21.75 REMARK 500 LEU B 528 109.67 -3.49 REMARK 500 ASN B 544 -148.72 -154.65 REMARK 500 ASP B 585 -4.39 122.57 REMARK 500 GLN B 586 17.89 45.17 REMARK 500 ARG B 592 51.32 37.15 REMARK 500 ASP B 634 -7.50 -150.56 REMARK 500 ASN B 649 36.13 -151.87 REMARK 500 SER B 678 -145.46 -103.61 REMARK 500 THR B 736 -65.76 -108.03 REMARK 500 ASP B 827 -3.58 78.24 REMARK 500 PRO B 833 22.14 -65.98 REMARK 500 HIS B 859 134.47 -170.03 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 LEU B 528 23.9 L L OUTSIDE RANGE REMARK 500 ASP B 585 48.7 L L OUTSIDE RANGE 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 B 126 DISTANCE = 5.04 ANGSTROMS
REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE KIV B 3001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PMP A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PMP B 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 1004 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY B 1005 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 1006 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY A 1007 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 2001
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EKF RELATED DB: PDB REMARK 900 CRYSTALLOGRAPHIC STRUCTURE OF HUMAN BRANCHED CHAIN AMINO REMARK 900 ACID AMINOTRANSFERASE (MITOCHONDRIAL) COMPLEXED WITH REMARK 900 PYRIDOXAL-5'-PHOSPHATE AT 1.95 ANGSTROMS (ORTHORHOMBIC FORM) REMARK 900 RELATED ID: 1EKV RELATED DB: PDB REMARK 900 HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE REMARK 900 (MITOCHONDRIAL): THREE DIMENSIONAL STRUCTURE OF ENZYME REMARK 900 INACTIVATED BY TRIS BOUND TO THE PYRIDOXAL-5'-PHOSPHATE ON REMARK 900 ONE END AND ACTIVE SITE LYS202 NZ ON THE OTHER REMARK 900 RELATED ID: 1EKP RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN BRANCHED CHAIN AMINO ACID REMARK 900 AMINOTRANSFERASE (MITOCHONDRIAL) COMPLEXED WITH PYRIDOXAL- REMARK 900 5'-PHOSPHATE AT 2.5 ANGSTROMS (MONOCLINIC FORM) REMARK 900 RELATED ID: 1KT8 RELATED DB: PDB REMARK 900 HUMAN BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE REMARK 900 (MITOCHONDRIAL): THREE DIMENSIONAL STRUCTURE OF ENZYME IN REMARK 900 ITS KETIMINE FORM WITH THE SUBSTRATE L-ISOLEUCINE
DBREF 1KTA A 1 365 UNP O15382 BCAT2_HUMAN 28 392 DBREF 1KTA B 501 865 UNP O15382 BCAT2_HUMAN 28 392
SEQRES 1 A 365 ALA SER SER SER PHE LYS ALA ALA ASP LEU GLN LEU GLU SEQRES 2 A 365 MET THR GLN LYS PRO HIS LYS LYS PRO GLY PRO GLY GLU SEQRES 3 A 365 PRO LEU VAL PHE GLY LYS THR PHE THR ASP HIS MET LEU SEQRES 4 A 365 MET VAL GLU TRP ASN ASP LYS GLY TRP GLY GLN PRO ARG SEQRES 5 A 365 ILE GLN PRO PHE GLN ASN LEU THR LEU HIS PRO ALA SER SEQRES 6 A 365 SER SER LEU HIS TYR SER LEU GLN LEU PHE GLU GLY MET SEQRES 7 A 365 LYS ALA PHE LYS GLY LYS ASP GLN GLN VAL ARG LEU PHE SEQRES 8 A 365 ARG PRO TRP LEU ASN MET ASP ARG MET LEU ARG SER ALA SEQRES 9 A 365 MET ARG LEU CYS LEU PRO SER PHE ASP LYS LEU GLU LEU SEQRES 10 A 365 LEU GLU CYS ILE ARG ARG LEU ILE GLU VAL ASP LYS ASP SEQRES 11 A 365 TRP VAL PRO ASP ALA ALA GLY THR SER LEU TYR VAL ARG SEQRES 12 A 365 PRO VAL LEU ILE GLY ASN GLU PRO SER LEU GLY VAL SER SEQRES 13 A 365 GLN PRO ARG ARG ALA LEU LEU PHE VAL ILE LEU CYS PRO SEQRES 14 A 365 VAL GLY ALA TYR PHE PRO GLY GLY SER VAL THR PRO VAL SEQRES 15 A 365 SER LEU LEU ALA ASP PRO ALA PHE ILE ARG ALA TRP VAL SEQRES 16 A 365 GLY GLY VAL GLY ASN TYR LYS LEU GLY GLY ASN TYR GLY SEQRES 17 A 365 PRO THR VAL LEU VAL GLN GLN GLU ALA LEU LYS ARG GLY SEQRES 18 A 365 CYS GLU GLN VAL LEU TRP LEU TYR GLY PRO ASP HIS GLN SEQRES 19 A 365 LEU THR GLU VAL GLY THR MET ASN ILE PHE VAL TYR TRP SEQRES 20 A 365 THR HIS GLU ASP GLY VAL LEU GLU LEU VAL THR PRO PRO SEQRES 21 A 365 LEU ASN GLY VAL ILE LEU PRO GLY VAL VAL ARG GLN SER SEQRES 22 A 365 LEU LEU ASP MET ALA GLN THR TRP GLY GLU PHE ARG VAL SEQRES 23 A 365 VAL GLU ARG THR ILE THR MET LYS GLN LEU LEU ARG ALA SEQRES 24 A 365 LEU GLU GLU GLY ARG VAL ARG GLU VAL PHE GLY SER GLY SEQRES 25 A 365 THR ALA CYS GLN VAL CYS PRO VAL HIS ARG ILE LEU TYR SEQRES 26 A 365 LYS ASP ARG ASN LEU HIS ILE PRO THR MET GLU ASN GLY SEQRES 27 A 365 PRO GLU LEU ILE LEU ARG PHE GLN LYS GLU LEU LYS GLU SEQRES 28 A 365 ILE GLN TYR GLY ILE ARG ALA HIS GLU TRP MET PHE PRO SEQRES 29 A 365 VAL SEQRES 1 B 365 ALA SER SER SER PHE LYS ALA ALA ASP LEU GLN LEU GLU SEQRES 2 B 365 MET THR GLN LYS PRO HIS LYS LYS PRO GLY PRO GLY GLU SEQRES 3 B 365 PRO LEU VAL PHE GLY LYS THR PHE THR ASP HIS MET LEU SEQRES 4 B 365 MET VAL GLU TRP ASN ASP LYS GLY TRP GLY GLN PRO ARG SEQRES 5 B 365 ILE GLN PRO PHE GLN ASN LEU THR LEU HIS PRO ALA SER SEQRES 6 B 365 SER SER LEU HIS TYR SER LEU GLN LEU PHE GLU GLY MET SEQRES 7 B 365 LYS ALA PHE LYS GLY LYS ASP GLN GLN VAL ARG LEU PHE SEQRES 8 B 365 ARG PRO TRP LEU ASN MET ASP ARG MET LEU ARG SER ALA SEQRES 9 B 365 MET ARG LEU CYS LEU PRO SER PHE ASP LYS LEU GLU LEU SEQRES 10 B 365 LEU GLU CYS ILE ARG ARG LEU ILE GLU VAL ASP LYS ASP SEQRES 11 B 365 TRP VAL PRO ASP ALA ALA GLY THR SER LEU TYR VAL ARG SEQRES 12 B 365 PRO VAL LEU ILE GLY ASN GLU PRO SER LEU GLY VAL SER SEQRES 13 B 365 GLN PRO ARG ARG ALA LEU LEU PHE VAL ILE LEU CYS PRO SEQRES 14 B 365 VAL GLY ALA TYR PHE PRO GLY GLY SER VAL THR PRO VAL SEQRES 15 B 365 SER LEU LEU ALA ASP PRO ALA PHE ILE ARG ALA TRP VAL SEQRES 16 B 365 GLY GLY VAL GLY ASN TYR LYS LEU GLY GLY ASN TYR GLY SEQRES 17 B 365 PRO THR VAL LEU VAL GLN GLN GLU ALA LEU LYS ARG GLY SEQRES 18 B 365 CYS GLU GLN VAL LEU TRP LEU TYR GLY PRO ASP HIS GLN SEQRES 19 B 365 LEU THR GLU VAL GLY THR MET ASN ILE PHE VAL TYR TRP SEQRES 20 B 365 THR HIS GLU ASP GLY VAL LEU GLU LEU VAL THR PRO PRO SEQRES 21 B 365 LEU ASN GLY VAL ILE LEU PRO GLY VAL VAL ARG GLN SER SEQRES 22 B 365 LEU LEU ASP MET ALA GLN THR TRP GLY GLU PHE ARG VAL SEQRES 23 B 365 VAL GLU ARG THR ILE THR MET LYS GLN LEU LEU ARG ALA SEQRES 24 B 365 LEU GLU GLU GLY ARG VAL ARG GLU VAL PHE GLY SER GLY SEQRES 25 B 365 THR ALA CYS GLN VAL CYS PRO VAL HIS ARG ILE LEU TYR SEQRES 26 B 365 LYS ASP ARG ASN LEU HIS ILE PRO THR MET GLU ASN GLY SEQRES 27 B 365 PRO GLU LEU ILE LEU ARG PHE GLN LYS GLU LEU LYS GLU SEQRES 28 B 365 ILE GLN TYR GLY ILE ARG ALA HIS GLU TRP MET PHE PRO SEQRES 29 B 365 VAL
HET KIV B3001 8 HET PMP A 400 16 HET PMP B 900 16 HET ACY B1001 4 HET ACY B1002 4 HET ACY A1003 4 HET ACY B1004 4 HET ACY B1005 4 HET ACY A1006 4 HET ACY A1007 4 HET GOL B2001 6
HETNAM KIV 3-METHYL-2-OXOBUTANOIC ACID HETNAM PMP 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE HETNAM ACY ACETIC ACID HETNAM GOL GLYCEROL
HETSYN KIV ALPHA-KETOISOVALERIC ACID; KETOVALINE HETSYN PMP PYRIDOXAMINE-5'-PHOSPHATE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL
FORMUL 3 KIV C5 H8 O3 FORMUL 4 PMP 2(C8 H13 N2 O5 P) FORMUL 6 ACY 7(C2 H4 O2) FORMUL 13 GOL C3 H8 O3 FORMUL 14 HOH *243(H2 O)
HELIX 1 1 SER A 65 TYR A 70 1 6 HELIX 2 2 ARG A 92 LEU A 107 1 16 HELIX 3 3 ASP A 113 ASP A 128 1 16 HELIX 4 4 LYS A 129 VAL A 132 5 4 HELIX 5 5 LEU A 203 GLY A 208 5 6 HELIX 6 6 PRO A 209 ARG A 220 1 12 HELIX 7 7 GLY A 268 GLY A 282 1 15 HELIX 8 8 THR A 292 GLU A 301 1 10 HELIX 9 9 THR A 334 GLY A 338 5 5 HELIX 10 10 PRO A 339 TYR A 354 1 16 HELIX 11 11 SER B 565 TYR B 570 1 6 HELIX 12 12 ARG B 592 LEU B 607 1 16 HELIX 13 13 ASP B 613 ASP B 628 1 16 HELIX 14 14 LYS B 629 VAL B 632 5 4 HELIX 15 15 PHE B 674 SER B 678 5 5 HELIX 16 16 LEU B 703 GLY B 708 5 6 HELIX 17 17 PRO B 709 ARG B 720 1 12 HELIX 18 18 GLY B 768 GLY B 782 1 15 HELIX 19 19 THR B 792 GLU B 802 1 11 HELIX 20 20 THR B 834 GLY B 838 5 5 HELIX 21 21 PRO B 839 TYR B 854 1 16
SHEET 1 A11 MET A 362 PRO A 364 0 SHEET 2 A11 VAL A 88 PHE A 91 -1 N LEU A 90 O PHE A 363 SHEET 3 A11 MET A 78 LYS A 82 -1 O LYS A 79 N PHE A 91 SHEET 4 A11 SER A 139 GLY A 148 -1 N LEU A 140 O ALA A 80 SHEET 5 A11 GLN A 73 PHE A 75 -1 O LEU A 74 N LEU A 146 SHEET 6 A11 SER A 139 GLY A 148 -1 N LEU A 146 O LEU A 74 SHEET 7 A11 ALA A 161 VAL A 170 -1 O LEU A 162 N ILE A 147 SHEET 8 A11 HIS A 37 ASN A 44 -1 N LEU A 39 O VAL A 165 SHEET 9 A11 ARG A 52 PRO A 55 -1 O ARG A 52 N MET A 40 SHEET 10 A11 HIS A 37 ASN A 44 -1 N MET A 38 O GLN A 54 SHEET 11 A11 GLY A 47 TRP A 48 -1 N GLY A 47 O ASN A 44 SHEET 1 B 2 LEU A 59 LEU A 61 0 SHEET 2 B 2 LEU B 559 LEU B 561 -1 N LEU B 559 O LEU A 61 SHEET 1 C11 ARG A 285 GLU A 288 0 SHEET 2 C11 LEU A 254 THR A 258 1 O LEU A 254 N ARG A 285 SHEET 3 C11 ASN A 242 THR A 248 -1 O VAL A 245 N VAL A 257 SHEET 4 C11 GLN A 234 VAL A 238 -1 O THR A 236 N ILE A 243 SHEET 5 C11 GLN A 224 TYR A 229 -1 N TRP A 227 O GLU A 237 SHEET 6 C11 VAL A 182 LEU A 185 1 O SER A 183 N GLN A 224 SHEET 7 C11 CYS A 318 LEU A 324 1 O PRO A 319 N VAL A 182 SHEET 8 C11 ASN A 329 HIS A 331 -1 N LEU A 330 O ILE A 323 SHEET 9 C11 CYS A 318 LEU A 324 -1 O ILE A 323 N LEU A 330 SHEET 10 C11 VAL A 305 SER A 311 -1 O VAL A 308 N VAL A 320 SHEET 11 C11 ASN A 242 THR A 248 -1 N ASN A 242 O SER A 311 SHEET 1 D11 MET B 862 PRO B 864 0 SHEET 2 D11 GLN B 587 PHE B 591 -1 N LEU B 590 O PHE B 863 SHEET 3 D11 MET B 578 GLY B 583 -1 O LYS B 579 N PHE B 591 SHEET 4 D11 SER B 639 GLY B 648 -1 N LEU B 640 O ALA B 580 SHEET 5 D11 GLN B 573 PHE B 575 -1 O LEU B 574 N LEU B 646 SHEET 6 D11 SER B 639 GLY B 648 -1 N LEU B 646 O LEU B 574 SHEET 7 D11 ALA B 661 VAL B 670 -1 O LEU B 662 N ILE B 647 SHEET 8 D11 HIS B 537 ASN B 544 -1 O LEU B 539 N VAL B 665 SHEET 9 D11 ARG B 552 PRO B 555 -1 O ARG B 552 N MET B 540 SHEET 10 D11 HIS B 537 ASN B 544 -1 N MET B 538 O GLN B 554 SHEET 11 D11 GLY B 547 TRP B 548 -1 O GLY B 547 N ASN B 544 SHEET 1 E11 ARG B 785 GLU B 788 0 SHEET 2 E11 LEU B 754 THR B 758 1 O LEU B 754 N ARG B 785 SHEET 3 E11 ASN B 742 THR B 748 -1 O VAL B 745 N VAL B 757 SHEET 4 E11 GLN B 734 VAL B 738 -1 O THR B 736 N ILE B 743 SHEET 5 E11 GLN B 724 TYR B 729 -1 N TRP B 727 O GLU B 737 SHEET 6 E11 VAL B 682 ALA B 686 1 O SER B 683 N GLN B 724 SHEET 7 E11 CYS B 818 TYR B 825 1 O PRO B 819 N VAL B 682 SHEET 8 E11 ARG B 828 HIS B 831 -1 N ARG B 828 O TYR B 825 SHEET 9 E11 CYS B 818 TYR B 825 -1 O ILE B 823 N LEU B 830 SHEET 10 E11 VAL B 805 SER B 811 -1 O VAL B 808 N VAL B 820 SHEET 11 E11 ASN B 742 THR B 748 -1 N ASN B 742 O SER B 811
CISPEP 1 GLY B 838 PRO B 839 0 -0.17
SITE 1 AC1 7 PHE A 75 LYS A 202 TYR A 207 PMP A 400 SITE 2 AC1 7 HOH A1014 TYR B 570 VAL B 655 SITE 1 AC2 17 ARG A 99 ARG A 192 LYS A 202 TYR A 207 SITE 2 AC2 17 GLU A 237 THR A 240 ASN A 242 LEU A 266 SITE 3 AC2 17 GLY A 268 VAL A 269 VAL A 270 GLY A 312 SITE 4 AC2 17 THR A 313 HOH A1008 HOH A1079 HOH A1122 SITE 5 AC2 17 KIV B3001 SITE 1 AC3 17 HOH B 2 HOH B 14 HOH B 89 ARG B 599 SITE 2 AC3 17 ARG B 692 LYS B 702 TYR B 707 GLU B 737 SITE 3 AC3 17 THR B 740 MET B 741 ASN B 742 LEU B 766 SITE 4 AC3 17 GLY B 768 VAL B 769 VAL B 770 GLY B 812 SITE 5 AC3 17 THR B 813 SITE 1 AC4 1 HOH B 124 SITE 1 AC5 3 HOH B 242 GLU B 840 LEU B 843 SITE 1 AC6 4 ARG A 102 ASN A 200 LEU A 261 PRO A 267 SITE 1 AC7 2 LYS B 847 GLU B 851 SITE 1 AC8 6 HOH B 98 GLY B 696 GLY B 697 ASN B 700 SITE 2 AC8 6 TYR B 701 GLY B 763 SITE 1 AC9 2 ARG A 92 TRP A 94 SITE 1 BC1 3 ARG A 102 MET A 105 HOH A1061 SITE 1 BC2 5 ASP B 776 MET B 777 THR B 780 HIS B 859 SITE 2 BC2 5 TRP B 861
CRYST1 69.450 105.308 107.829 90.00 90.00 90.00 P 21 21 21 8
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 0.014399 0.000000 0.000000 0.00000
SCALE2 0.000000 0.009496 0.000000 0.00000
SCALE3 0.000000 0.000000 0.009274 0.00000