HEADER OXIDOREDUCTASE 02-NOV-01 1KAR TITLE L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE COMPLEXED WITH HISTAMINE TITLE 2 (INHIBITOR), ZINC AND NAD (COFACTOR) COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTIDINOL DEHYDROGENASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HDH; COMPND 5 EC: 1.1.1.23; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: HISD; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DL41; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS L-HISTIDINOL DEHYDROGENASE, HOMODIMER, ROSSMANN FOLD, 4 DOMAINS, KEYWDS 2 HISD, L-HISTIDINE BIOSYNTHESIS, NAD COFACTOR, ZINC, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.R.G.BARBOSA,J.SIVARAMAN,Y.LI,R.LAROCQUE,A.MATTE,J.D.SCHRAG, AUTHOR 2 M.CYGLER REVDAT 7 15-NOV-23 1KAR 1 REMARK REVDAT 6 16-AUG-23 1KAR 1 REMARK SEQADV LINK REVDAT 5 12-NOV-14 1KAR 1 KEYWDS REVDAT 4 24-FEB-09 1KAR 1 VERSN REVDAT 3 11-JUL-06 1KAR 1 AUTHOR JRNL REVDAT 2 01-APR-03 1KAR 1 JRNL REVDAT 1 12-JUN-02 1KAR 0 JRNL AUTH J.A.R.G.BARBOSA,J.SIVARAMAN,Y.LI,R.LAROCQUE,A.MATTE, JRNL AUTH 2 J.D.SCHRAG,M.CYGLER JRNL TITL MECHANISM OF ACTION AND NAD+-BINDING MODE REVEALED BY THE JRNL TITL 2 CRYSTAL STRUCTURE OF L-HISTIDINOL DEHYDROGENASE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 99 1859 2002 JRNL REFN ISSN 0027-8424 JRNL PMID 11842181 JRNL DOI 10.1073/PNAS.022476199 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 288060.720 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.1 REMARK 3 NUMBER OF REFLECTIONS : 50552 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) : 0.248 REMARK 3 FREE R VALUE : 0.281 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2034 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.18 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 70.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3786 REMARK 3 BIN R VALUE (WORKING SET) : 0.2660 REMARK 3 BIN FREE R VALUE : 0.3070 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 148 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6420 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.18000 REMARK 3 B22 (A**2) : -3.62000 REMARK 3 B33 (A**2) : -3.56000 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) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.21 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) : 0.37 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.860 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) : 1.580 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.460 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.250 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.100 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 33.32 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : HISTAMINE.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 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : HISTAMINE.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MODEL ONLY PARTIALLY REFINED REMARK 4 REMARK 4 1KAR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1000014764. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-NOV-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97945 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52600 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.7 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07000 REMARK 200 FOR THE DATA SET : 20.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.33500 REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1K75 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, GLYCEROL, IMIDAZOLE/MALIC REMARK 280 ACID BUFFER, AMMONIUM SULFATE, PH 5.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 291K 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 27.67000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 78.97000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 54.52000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 78.97000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.67000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 54.52000 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: 11360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33240 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -133.0 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 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 MSE A 1 REMARK 465 SER A 2 REMARK 465 PHE A 3 REMARK 465 MSE B 1 REMARK 465 SER B 2 REMARK 465 PHE B 3 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 THR A 5 101.92 48.45 REMARK 500 SER A 27 -70.40 -69.80 REMARK 500 ALA A 28 104.61 58.69 REMARK 500 SER A 55 21.77 -79.72 REMARK 500 ALA A 56 -45.60 -132.65 REMARK 500 ASP A 59 126.48 58.50 REMARK 500 THR A 62 51.55 38.22 REMARK 500 VAL A 63 137.77 -37.37 REMARK 500 THR A 64 -92.59 -99.25 REMARK 500 ASN A 211 -171.70 -61.74 REMARK 500 MSE A 232 159.26 179.98 REMARK 500 PRO A 293 -81.63 -56.72 REMARK 500 SER A 354 65.86 -115.39 REMARK 500 THR B 5 -88.63 -137.23 REMARK 500 ILE B 26 -97.57 -71.55 REMARK 500 SER B 27 -134.39 167.16 REMARK 500 ALA B 28 -44.22 -175.86 REMARK 500 SER B 29 86.88 44.46 REMARK 500 THR B 64 -80.68 -111.96 REMARK 500 PRO B 113 121.45 -39.54 REMARK 500 GLN B 331 68.18 -102.61 REMARK 500 ASN B 334 44.52 -108.66 REMARK 500 ALA B 345 144.18 -173.12 REMARK 500 THR B 377 -8.01 -142.44 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 ZN A 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 262 NE2 REMARK 620 2 ASP A 360 OD2 167.9 REMARK 620 3 HSM A 502 ND1 90.6 91.6 REMARK 620 4 HIS B 419 NE2 99.0 91.3 110.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 502 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 419 NE2 REMARK 620 2 HIS B 262 NE2 96.8 REMARK 620 3 ASP B 360 OD2 91.3 171.8 REMARK 620 4 HSM B 503 ND1 118.0 87.6 89.1 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 ZN A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HSM A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HSM B 503 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K75 RELATED DB: PDB REMARK 900 THE L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE IMPLICATES DOMAIN REMARK 900 SWAPPING AND GENE DUPLICATION REMARK 900 RELATED ID: 1KAE RELATED DB: PDB REMARK 900 THE L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE COMPLEXED WITH REMARK 900 SUBSTRATE (L-HISTIDINOL), ZINC AND COFACTOR NAD REMARK 900 RELATED ID: 1KAH RELATED DB: PDB REMARK 900 L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE COMPLEXED WITH REMARK 900 HISTIDINE (PRODUCT), ZN AND NAD (COFACTOR) DBREF 1KAR A 1 434 UNP P06988 HISX_ECOLI 0 433 DBREF 1KAR B 1 434 UNP P06988 HISX_ECOLI 0 433 SEQADV 1KAR MSE A 1 UNP P06988 MET 0 MODIFIED RESIDUE SEQADV 1KAR GLU A 15 UNP P06988 VAL 14 SEE REMARK 999 SEQADV 1KAR MSE A 22 UNP P06988 MET 21 MODIFIED RESIDUE SEQADV 1KAR MSE A 88 UNP P06988 MET 87 MODIFIED RESIDUE SEQADV 1KAR MSE A 144 UNP P06988 MET 143 MODIFIED RESIDUE SEQADV 1KAR SER A 150 UNP P06988 ARG 149 SEE REMARK 999 SEQADV 1KAR MSE A 232 UNP P06988 MET 231 MODIFIED RESIDUE SEQADV 1KAR MSE A 277 UNP P06988 MET 276 MODIFIED RESIDUE SEQADV 1KAR LEU A 313 UNP P06988 SER 312 SEE REMARK 999 SEQADV 1KAR MSE A 390 UNP P06988 MET 389 MODIFIED RESIDUE SEQADV 1KAR LEU A 403 UNP P06988 VAL 402 SEE REMARK 999 SEQADV 1KAR MSE B 1 UNP P06988 MET 0 MODIFIED RESIDUE SEQADV 1KAR GLU B 15 UNP P06988 VAL 14 SEE REMARK 999 SEQADV 1KAR MSE B 22 UNP P06988 MET 21 MODIFIED RESIDUE SEQADV 1KAR MSE B 88 UNP P06988 MET 87 MODIFIED RESIDUE SEQADV 1KAR MSE B 144 UNP P06988 MET 143 MODIFIED RESIDUE SEQADV 1KAR SER B 150 UNP P06988 ARG 149 SEE REMARK 999 SEQADV 1KAR MSE B 232 UNP P06988 MET 231 MODIFIED RESIDUE SEQADV 1KAR MSE B 277 UNP P06988 MET 276 MODIFIED RESIDUE SEQADV 1KAR LEU B 313 UNP P06988 SER 312 SEE REMARK 999 SEQADV 1KAR MSE B 390 UNP P06988 MET 389 MODIFIED RESIDUE SEQADV 1KAR LEU B 403 UNP P06988 VAL 402 SEE REMARK 999 SEQRES 1 A 434 MSE SER PHE ASN THR ILE ILE ASP TRP ASN SER CYS THR SEQRES 2 A 434 ALA GLU GLN GLN ARG GLN LEU LEU MSE ARG PRO ALA ILE SEQRES 3 A 434 SER ALA SER GLU SER ILE THR ARG THR VAL ASN ASP ILE SEQRES 4 A 434 LEU ASP ASN VAL LYS ALA ARG GLY ASP GLU ALA LEU ARG SEQRES 5 A 434 GLU TYR SER ALA LYS PHE ASP LYS THR THR VAL THR ALA SEQRES 6 A 434 LEU LYS VAL SER ALA GLU GLU ILE ALA ALA ALA SER GLU SEQRES 7 A 434 ARG LEU SER ASP GLU LEU LYS GLN ALA MSE ALA VAL ALA SEQRES 8 A 434 VAL LYS ASN ILE GLU THR PHE HIS THR ALA GLN LYS LEU SEQRES 9 A 434 PRO PRO VAL ASP VAL GLU THR GLN PRO GLY VAL ARG CYS SEQRES 10 A 434 GLN GLN VAL THR ARG PRO VAL ALA SER VAL GLY LEU TYR SEQRES 11 A 434 ILE PRO GLY GLY SER ALA PRO LEU PHE SER THR VAL LEU SEQRES 12 A 434 MSE LEU ALA THR PRO ALA SER ILE ALA GLY CYS LYS LYS SEQRES 13 A 434 VAL VAL LEU CYS SER PRO PRO PRO ILE ALA ASP GLU ILE SEQRES 14 A 434 LEU TYR ALA ALA GLN LEU CYS GLY VAL GLN ASP VAL PHE SEQRES 15 A 434 ASN VAL GLY GLY ALA GLN ALA ILE ALA ALA LEU ALA PHE SEQRES 16 A 434 GLY THR GLU SER VAL PRO LYS VAL ASP LYS ILE PHE GLY SEQRES 17 A 434 PRO GLY ASN ALA PHE VAL THR GLU ALA LYS ARG GLN VAL SEQRES 18 A 434 SER GLN ARG LEU ASP GLY ALA ALA ILE ASP MSE PRO ALA SEQRES 19 A 434 GLY PRO SER GLU VAL LEU VAL ILE ALA ASP SER GLY ALA SEQRES 20 A 434 THR PRO ASP PHE VAL ALA SER ASP LEU LEU SER GLN ALA SEQRES 21 A 434 GLU HIS GLY PRO ASP SER GLN VAL ILE LEU LEU THR PRO SEQRES 22 A 434 ALA ALA ASP MSE ALA ARG ARG VAL ALA GLU ALA VAL GLU SEQRES 23 A 434 ARG GLN LEU ALA GLU LEU PRO ARG ALA GLU THR ALA ARG SEQRES 24 A 434 GLN ALA LEU ASN ALA SER ARG LEU ILE VAL THR LYS ASP SEQRES 25 A 434 LEU ALA GLN CYS VAL GLU ILE SER ASN GLN TYR GLY PRO SEQRES 26 A 434 GLU HIS LEU ILE ILE GLN THR ARG ASN ALA ARG GLU LEU SEQRES 27 A 434 VAL ASP SER ILE THR SER ALA GLY SER VAL PHE LEU GLY SEQRES 28 A 434 ASP TRP SER PRO GLU SER ALA GLY ASP TYR ALA SER GLY SEQRES 29 A 434 THR ASN HIS VAL LEU PRO THR TYR GLY TYR THR ALA THR SEQRES 30 A 434 CYS SER SER LEU GLY LEU ALA ASP PHE GLN LYS ARG MSE SEQRES 31 A 434 THR VAL GLN GLU LEU SER LYS GLU GLY PHE SER ALA LEU SEQRES 32 A 434 ALA SER THR ILE GLU THR LEU ALA ALA ALA GLU ARG LEU SEQRES 33 A 434 THR ALA HIS LYS ASN ALA VAL THR LEU ARG VAL ASN ALA SEQRES 34 A 434 LEU LYS GLU GLN ALA SEQRES 1 B 434 MSE SER PHE ASN THR ILE ILE ASP TRP ASN SER CYS THR SEQRES 2 B 434 ALA GLU GLN GLN ARG GLN LEU LEU MSE ARG PRO ALA ILE SEQRES 3 B 434 SER ALA SER GLU SER ILE THR ARG THR VAL ASN ASP ILE SEQRES 4 B 434 LEU ASP ASN VAL LYS ALA ARG GLY ASP GLU ALA LEU ARG SEQRES 5 B 434 GLU TYR SER ALA LYS PHE ASP LYS THR THR VAL THR ALA SEQRES 6 B 434 LEU LYS VAL SER ALA GLU GLU ILE ALA ALA ALA SER GLU SEQRES 7 B 434 ARG LEU SER ASP GLU LEU LYS GLN ALA MSE ALA VAL ALA SEQRES 8 B 434 VAL LYS ASN ILE GLU THR PHE HIS THR ALA GLN LYS LEU SEQRES 9 B 434 PRO PRO VAL ASP VAL GLU THR GLN PRO GLY VAL ARG CYS SEQRES 10 B 434 GLN GLN VAL THR ARG PRO VAL ALA SER VAL GLY LEU TYR SEQRES 11 B 434 ILE PRO GLY GLY SER ALA PRO LEU PHE SER THR VAL LEU SEQRES 12 B 434 MSE LEU ALA THR PRO ALA SER ILE ALA GLY CYS LYS LYS SEQRES 13 B 434 VAL VAL LEU CYS SER PRO PRO PRO ILE ALA ASP GLU ILE SEQRES 14 B 434 LEU TYR ALA ALA GLN LEU CYS GLY VAL GLN ASP VAL PHE SEQRES 15 B 434 ASN VAL GLY GLY ALA GLN ALA ILE ALA ALA LEU ALA PHE SEQRES 16 B 434 GLY THR GLU SER VAL PRO LYS VAL ASP LYS ILE PHE GLY SEQRES 17 B 434 PRO GLY ASN ALA PHE VAL THR GLU ALA LYS ARG GLN VAL SEQRES 18 B 434 SER GLN ARG LEU ASP GLY ALA ALA ILE ASP MSE PRO ALA SEQRES 19 B 434 GLY PRO SER GLU VAL LEU VAL ILE ALA ASP SER GLY ALA SEQRES 20 B 434 THR PRO ASP PHE VAL ALA SER ASP LEU LEU SER GLN ALA SEQRES 21 B 434 GLU HIS GLY PRO ASP SER GLN VAL ILE LEU LEU THR PRO SEQRES 22 B 434 ALA ALA ASP MSE ALA ARG ARG VAL ALA GLU ALA VAL GLU SEQRES 23 B 434 ARG GLN LEU ALA GLU LEU PRO ARG ALA GLU THR ALA ARG SEQRES 24 B 434 GLN ALA LEU ASN ALA SER ARG LEU ILE VAL THR LYS ASP SEQRES 25 B 434 LEU ALA GLN CYS VAL GLU ILE SER ASN GLN TYR GLY PRO SEQRES 26 B 434 GLU HIS LEU ILE ILE GLN THR ARG ASN ALA ARG GLU LEU SEQRES 27 B 434 VAL ASP SER ILE THR SER ALA GLY SER VAL PHE LEU GLY SEQRES 28 B 434 ASP TRP SER PRO GLU SER ALA GLY ASP TYR ALA SER GLY SEQRES 29 B 434 THR ASN HIS VAL LEU PRO THR TYR GLY TYR THR ALA THR SEQRES 30 B 434 CYS SER SER LEU GLY LEU ALA ASP PHE GLN LYS ARG MSE SEQRES 31 B 434 THR VAL GLN GLU LEU SER LYS GLU GLY PHE SER ALA LEU SEQRES 32 B 434 ALA SER THR ILE GLU THR LEU ALA ALA ALA GLU ARG LEU SEQRES 33 B 434 THR ALA HIS LYS ASN ALA VAL THR LEU ARG VAL ASN ALA SEQRES 34 B 434 LEU LYS GLU GLN ALA MODRES 1KAR MSE A 22 MET SELENOMETHIONINE MODRES 1KAR MSE A 88 MET SELENOMETHIONINE MODRES 1KAR MSE A 144 MET SELENOMETHIONINE MODRES 1KAR MSE A 232 MET SELENOMETHIONINE MODRES 1KAR MSE A 277 MET SELENOMETHIONINE MODRES 1KAR MSE A 390 MET SELENOMETHIONINE MODRES 1KAR MSE B 22 MET SELENOMETHIONINE MODRES 1KAR MSE B 88 MET SELENOMETHIONINE MODRES 1KAR MSE B 144 MET SELENOMETHIONINE MODRES 1KAR MSE B 232 MET SELENOMETHIONINE MODRES 1KAR MSE B 277 MET SELENOMETHIONINE MODRES 1KAR MSE B 390 MET SELENOMETHIONINE HET MSE A 22 8 HET MSE A 88 8 HET MSE A 144 8 HET MSE A 232 8 HET MSE A 277 8 HET MSE A 390 8 HET MSE B 22 8 HET MSE B 88 8 HET MSE B 144 8 HET MSE B 232 8 HET MSE B 277 8 HET MSE B 390 8 HET ZN A 501 1 HET HSM A 502 8 HET ZN B 502 1 HET HSM B 503 8 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION HETNAM HSM HISTAMINE FORMUL 1 MSE 12(C5 H11 N O2 SE) FORMUL 3 ZN 2(ZN 2+) FORMUL 4 HSM 2(C5 H9 N3) HELIX 1 1 ASN A 10 CYS A 12 5 3 HELIX 2 2 THR A 13 MSE A 22 1 10 HELIX 3 3 SER A 29 PHE A 58 1 30 HELIX 4 4 SER A 69 ARG A 79 1 11 HELIX 5 5 SER A 81 ALA A 101 1 21 HELIX 6 6 PHE A 139 GLY A 153 1 15 HELIX 7 7 ALA A 166 CYS A 176 1 11 HELIX 8 8 GLY A 185 GLY A 196 1 12 HELIX 9 9 ASN A 211 GLN A 223 1 13 HELIX 10 10 THR A 248 GLU A 261 1 14 HELIX 11 11 ALA A 274 ALA A 290 1 17 HELIX 12 12 ALA A 295 ASN A 303 1 9 HELIX 13 13 ASP A 312 GLY A 324 1 13 HELIX 14 14 ASN A 334 VAL A 339 1 6 HELIX 15 15 ASP A 340 ILE A 342 5 3 HELIX 16 16 PRO A 355 ALA A 362 1 8 HELIX 17 17 GLY A 373 THR A 377 5 5 HELIX 18 18 GLY A 382 ASP A 385 5 4 HELIX 19 19 SER A 396 GLU A 414 1 19 HELIX 20 20 LEU A 416 ALA A 434 1 19 HELIX 21 21 ASN B 10 CYS B 12 5 3 HELIX 22 22 THR B 13 LEU B 21 1 9 HELIX 23 23 SER B 29 ASP B 59 1 31 HELIX 24 24 SER B 69 LEU B 80 1 12 HELIX 25 25 SER B 81 ALA B 101 1 21 HELIX 26 26 PHE B 139 GLY B 153 1 15 HELIX 27 27 ALA B 166 CYS B 176 1 11 HELIX 28 28 GLY B 185 GLY B 196 1 12 HELIX 29 29 ASN B 211 ARG B 224 1 14 HELIX 30 30 THR B 248 GLU B 261 1 14 HELIX 31 31 ALA B 274 ALA B 290 1 17 HELIX 32 32 ALA B 295 ASN B 303 1 9 HELIX 33 33 ASP B 312 GLY B 324 1 13 HELIX 34 34 ASN B 334 VAL B 339 1 6 HELIX 35 35 ASP B 340 ILE B 342 5 3 HELIX 36 36 PRO B 355 ALA B 362 1 8 HELIX 37 37 GLY B 373 THR B 377 5 5 HELIX 38 38 GLY B 382 ASP B 385 5 4 HELIX 39 39 SER B 396 GLU B 414 1 19 HELIX 40 40 LEU B 416 ALA B 434 1 19 SHEET 1 A 9 ILE A 7 ASP A 8 0 SHEET 2 A 9 ARG A 306 VAL A 309 1 O VAL A 309 N ILE A 7 SHEET 3 A 9 GLN A 267 THR A 272 1 N LEU A 270 O ARG A 306 SHEET 4 A 9 GLU A 238 ALA A 243 1 N VAL A 241 O ILE A 269 SHEET 5 A 9 HIS A 327 GLN A 331 1 O ILE A 329 N ILE A 242 SHEET 6 A 9 SER A 347 LEU A 350 1 O PHE A 349 N ILE A 330 SHEET 7 A 9 GLN B 387 LEU B 395 1 O THR B 391 N VAL A 348 SHEET 8 A 9 VAL B 115 PRO B 123 -1 N VAL B 120 O MSE B 390 SHEET 9 A 9 VAL B 107 GLN B 112 -1 N VAL B 109 O CYS B 117 SHEET 1 B 9 VAL A 107 GLN A 112 0 SHEET 2 B 9 VAL A 115 PRO A 123 -1 O CYS A 117 N VAL A 109 SHEET 3 B 9 GLN A 387 LEU A 395 -1 O MSE A 390 N VAL A 120 SHEET 4 B 9 SER B 347 LEU B 350 1 O VAL B 348 N THR A 391 SHEET 5 B 9 HIS B 327 GLN B 331 1 N ILE B 330 O PHE B 349 SHEET 6 B 9 GLU B 238 ALA B 243 1 N ILE B 242 O ILE B 329 SHEET 7 B 9 GLN B 267 THR B 272 1 O LEU B 271 N VAL B 241 SHEET 8 B 9 ARG B 306 VAL B 309 1 O ILE B 308 N LEU B 270 SHEET 9 B 9 ILE B 7 ASP B 8 1 N ILE B 7 O VAL B 309 SHEET 1 C 5 ASP A 180 ASN A 183 0 SHEET 2 C 5 LYS A 156 SER A 161 1 N LEU A 159 O PHE A 182 SHEET 3 C 5 SER A 126 TYR A 130 1 N LEU A 129 O VAL A 158 SHEET 4 C 5 LYS A 205 PHE A 207 1 O PHE A 207 N GLY A 128 SHEET 5 C 5 ALA A 229 ILE A 230 1 O ALA A 229 N ILE A 206 SHEET 1 D 5 ASP B 180 ASN B 183 0 SHEET 2 D 5 LYS B 156 SER B 161 1 N LEU B 159 O PHE B 182 SHEET 3 D 5 SER B 126 TYR B 130 1 N LEU B 129 O VAL B 158 SHEET 4 D 5 LYS B 205 PHE B 207 1 O PHE B 207 N GLY B 128 SHEET 5 D 5 ALA B 229 ILE B 230 1 O ALA B 229 N ILE B 206 LINK C LEU A 21 N MSE A 22 1555 1555 1.33 LINK C MSE A 22 N ARG A 23 1555 1555 1.33 LINK C ALA A 87 N MSE A 88 1555 1555 1.33 LINK C MSE A 88 N ALA A 89 1555 1555 1.33 LINK C LEU A 143 N MSE A 144 1555 1555 1.33 LINK C MSE A 144 N LEU A 145 1555 1555 1.33 LINK C ASP A 231 N MSE A 232 1555 1555 1.33 LINK C MSE A 232 N PRO A 233 1555 1555 1.34 LINK C ASP A 276 N MSE A 277 1555 1555 1.33 LINK C MSE A 277 N ALA A 278 1555 1555 1.33 LINK C ARG A 389 N MSE A 390 1555 1555 1.33 LINK C MSE A 390 N THR A 391 1555 1555 1.33 LINK C LEU B 21 N MSE B 22 1555 1555 1.33 LINK C MSE B 22 N ARG B 23 1555 1555 1.33 LINK C ALA B 87 N MSE B 88 1555 1555 1.33 LINK C MSE B 88 N ALA B 89 1555 1555 1.33 LINK C LEU B 143 N MSE B 144 1555 1555 1.33 LINK C MSE B 144 N LEU B 145 1555 1555 1.33 LINK C ASP B 231 N MSE B 232 1555 1555 1.32 LINK C MSE B 232 N PRO B 233 1555 1555 1.34 LINK C ASP B 276 N MSE B 277 1555 1555 1.33 LINK C MSE B 277 N ALA B 278 1555 1555 1.33 LINK C ARG B 389 N MSE B 390 1555 1555 1.32 LINK C MSE B 390 N THR B 391 1555 1555 1.32 LINK NE2 HIS A 262 ZN ZN A 501 1555 1555 2.18 LINK OD2 ASP A 360 ZN ZN A 501 1555 1555 2.08 LINK NE2 HIS A 419 ZN ZN B 502 1555 1555 2.09 LINK ZN ZN A 501 ND1 HSM A 502 1555 1555 2.06 LINK ZN ZN A 501 NE2 HIS B 419 1555 1555 2.12 LINK NE2 HIS B 262 ZN ZN B 502 1555 1555 2.08 LINK OD2 ASP B 360 ZN ZN B 502 1555 1555 2.09 LINK ZN ZN B 502 ND1 HSM B 503 1555 1555 2.20 CISPEP 1 PRO A 163 PRO A 164 0 -0.14 CISPEP 2 PRO B 163 PRO B 164 0 -0.59 SITE 1 AC1 4 HIS A 262 ASP A 360 HSM A 502 HIS B 419 SITE 1 AC2 4 HIS A 419 HIS B 262 ASP B 360 HSM B 503 SITE 1 AC3 9 SER A 140 HIS A 262 ASP A 360 TYR A 361 SITE 2 AC3 9 HIS A 367 ZN A 501 GLU B 414 LEU B 416 SITE 3 AC3 9 HIS B 419 SITE 1 AC4 8 GLU A 414 HIS A 419 SER B 140 HIS B 262 SITE 2 AC4 8 ASP B 360 TYR B 361 HIS B 367 ZN B 502 CRYST1 55.340 109.040 157.940 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 0.018070 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009171 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006332 0.00000