HEADER HYDROLASE 05-OCT-06 2IMZ TITLE CRYSTAL STRUCTURE OF MTU RECA INTEIN SPLICING DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDONUCLEASE PI-MTUI; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: SPLICING DOMAIN; COMPND 5 EC: 3.1.-.-; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 GENE: RECA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM101; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PX KEYWDS N-TERMINAL CYSTEINE SULFINIC ACID C-TERMINAL AMINOSUCCINIMIDE, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR P.VAN ROEY REVDAT 7 30-OCT-24 2IMZ 1 REMARK REVDAT 6 15-NOV-23 2IMZ 1 LINK ATOM REVDAT 5 20-OCT-21 2IMZ 1 REMARK SEQADV LINK REVDAT 4 16-AUG-17 2IMZ 1 SOURCE REVDAT 3 12-NOV-14 2IMZ 1 HET HETATM HETNAM HETSYN REVDAT 3 2 1 LINK MODRES SEQRES VERSN REVDAT 2 24-FEB-09 2IMZ 1 VERSN REVDAT 1 01-MAY-07 2IMZ 0 JRNL AUTH P.VAN ROEY,B.PEREIRA,Z.LI,K.HIRAGA,M.BELFORT,V.DERBYSHIRE JRNL TITL CRYSTALLOGRAPHIC AND MUTATIONAL STUDIES OF MYCOBACTERIUM JRNL TITL 2 TUBERCULOSIS RECA MINI-INTEINS SUGGEST A PIVOTAL ROLE FOR A JRNL TITL 3 HIGHLY CONSERVED ASPARTATE RESIDUE. JRNL REF J.MOL.BIOL. V. 367 162 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17254599 JRNL DOI 10.1016/J.JMB.2006.12.050 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 451697.240 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.4 REMARK 3 NUMBER OF REFLECTIONS : 31277 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) : 0.181 REMARK 3 FREE R VALUE : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3141 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4505 REMARK 3 BIN R VALUE (WORKING SET) : 0.2170 REMARK 3 BIN FREE R VALUE : 0.2470 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 507 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.011 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2255 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 334 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.54000 REMARK 3 B22 (A**2) : 5.72000 REMARK 3 B33 (A**2) : -2.18000 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) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.12 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) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.700 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) : 1.230 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.870 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.180 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.270 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 50.40 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_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : 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 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2IMZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-OCT-06. REMARK 100 THE DEPOSITION ID IS D_1000039767. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-03; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; NULL REMARK 200 RADIATION SOURCE : NSLS; NULL REMARK 200 BEAMLINE : X12C; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.011, 1.091, 0.94; NULL REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B4; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40459 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.4 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 27.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.20700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 6% PEG8000, 0.1 M TRIS.HCL, 5% PEG400, REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 283K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 41.21500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.81500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 41.21500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.81500 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: 2350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -77.0 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 GLY A 103 REMARK 465 ASP A 104 REMARK 465 SER A 105 REMARK 465 ALA A 106 REMARK 465 PRO A 107 REMARK 465 ILE A 108 REMARK 465 PRO A 109 REMARK 465 ALA A 110 REMARK 465 ARG A 383 REMARK 465 VAL A 384 REMARK 465 GLN A 385 REMARK 465 ALA A 386 REMARK 465 LEU A 387 REMARK 465 ALA A 388 REMARK 465 ASP A 389 REMARK 465 ALA A 390 REMARK 465 LEU A 391 REMARK 465 ASP A 392 REMARK 465 ASP A 393 REMARK 465 LYS A 394 REMARK 465 PHE A 395 REMARK 465 LEU A 396 REMARK 465 HIS A 397 REMARK 465 ASP A 398 REMARK 465 GLY B 103 REMARK 465 ASP B 104 REMARK 465 SER B 105 REMARK 465 ALA B 106 REMARK 465 PRO B 107 REMARK 465 ILE B 108 REMARK 465 PRO B 109 REMARK 465 ALA B 110 REMARK 465 ARG B 383 REMARK 465 VAL B 384 REMARK 465 GLN B 385 REMARK 465 ALA B 386 REMARK 465 LEU B 387 REMARK 465 ALA B 388 REMARK 465 ASP B 389 REMARK 465 ALA B 390 REMARK 465 LEU B 391 REMARK 465 ASP B 392 REMARK 465 ASP B 393 REMARK 465 LYS B 394 REMARK 465 PHE B 395 REMARK 465 LEU B 396 REMARK 465 HIS B 397 REMARK 465 ASP B 398 REMARK 465 MET B 399 REMARK 465 LEU B 400 REMARK 465 ALA B 401 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 GLU A 427 -58.58 63.79 REMARK 500 GLU B 427 -55.87 67.41 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 GLU A 424 OE1 REMARK 620 2 HIS A 429 ND1 101.2 REMARK 620 3 SNN A 440 N1 109.1 119.6 REMARK 620 4 HIS B 439 NE2 103.7 106.6 114.8 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 439 NE2 REMARK 620 2 GLU B 424 OE1 104.2 REMARK 620 3 HIS B 429 ND1 108.2 98.7 REMARK 620 4 SNN B 440 N1 113.1 109.8 120.7 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2IN0 RELATED DB: PDB REMARK 900 RELATED ID: 2IN8 RELATED DB: PDB REMARK 900 RELATED ID: 2IN9 RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 ACCORDING TO AUTHOR, THESE MODIFICATIONS REMARK 999 OCCURRED SPONTANEOUSLY, PRESUMABLY DUE REMARK 999 TO CRYSTALLIZATION ARTIFACT DBREF 2IMZ A 2 110 UNP P0A5U4 RECA_MYCTU 253 361 DBREF 2IMZ A 383 440 UNP P0A5U4 RECA_MYCTU 634 691 DBREF 2IMZ B 2 110 UNP P0A5U4 RECA_MYCTU 253 361 DBREF 2IMZ B 383 440 UNP P0A5U4 RECA_MYCTU 634 691 SEQADV 2IMZ CSD A 1 UNP P0A5U4 CYS 252 SEE REMARK 999 SEQADV 2IMZ LEU A 67 UNP P0A5U4 VAL 318 ENGINEERED MUTATION SEQADV 2IMZ SNN A 440 UNP P0A5U4 ASN 691 SEE REMARK 999 SEQADV 2IMZ CSD B 1 UNP P0A5U4 CYS 252 SEE REMARK 999 SEQADV 2IMZ LEU B 67 UNP P0A5U4 VAL 318 ENGINEERED MUTATION SEQADV 2IMZ SNN B 440 UNP P0A5U4 ASN 691 SEE REMARK 999 SEQRES 1 A 168 CSD LEU ALA GLU GLY THR ARG ILE PHE ASP PRO VAL THR SEQRES 2 A 168 GLY THR THR HIS ARG ILE GLU ASP VAL VAL ASP GLY ARG SEQRES 3 A 168 LYS PRO ILE HIS VAL VAL ALA ALA ALA LYS ASP GLY THR SEQRES 4 A 168 LEU HIS ALA ARG PRO VAL VAL SER TRP PHE ASP GLN GLY SEQRES 5 A 168 THR ARG ASP VAL ILE GLY LEU ARG ILE ALA GLY GLY ALA SEQRES 6 A 168 ILE LEU TRP ALA THR PRO ASP HIS LYS VAL LEU THR GLU SEQRES 7 A 168 TYR GLY TRP ARG ALA ALA GLY GLU LEU ARG LYS GLY ASP SEQRES 8 A 168 ARG VAL ALA GLN PRO ARG ARG PHE ASP GLY PHE GLY ASP SEQRES 9 A 168 SER ALA PRO ILE PRO ALA ARG VAL GLN ALA LEU ALA ASP SEQRES 10 A 168 ALA LEU ASP ASP LYS PHE LEU HIS ASP MET LEU ALA GLU SEQRES 11 A 168 GLU LEU ARG TYR SER VAL ILE ARG GLU VAL LEU PRO THR SEQRES 12 A 168 ARG ARG ALA ARG THR PHE ASP LEU GLU VAL GLU GLU LEU SEQRES 13 A 168 HIS THR LEU VAL ALA GLU GLY VAL VAL VAL HIS SNN SEQRES 1 B 168 CSD LEU ALA GLU GLY THR ARG ILE PHE ASP PRO VAL THR SEQRES 2 B 168 GLY THR THR HIS ARG ILE GLU ASP VAL VAL ASP GLY ARG SEQRES 3 B 168 LYS PRO ILE HIS VAL VAL ALA ALA ALA LYS ASP GLY THR SEQRES 4 B 168 LEU HIS ALA ARG PRO VAL VAL SER TRP PHE ASP GLN GLY SEQRES 5 B 168 THR ARG ASP VAL ILE GLY LEU ARG ILE ALA GLY GLY ALA SEQRES 6 B 168 ILE LEU TRP ALA THR PRO ASP HIS LYS VAL LEU THR GLU SEQRES 7 B 168 TYR GLY TRP ARG ALA ALA GLY GLU LEU ARG LYS GLY ASP SEQRES 8 B 168 ARG VAL ALA GLN PRO ARG ARG PHE ASP GLY PHE GLY ASP SEQRES 9 B 168 SER ALA PRO ILE PRO ALA ARG VAL GLN ALA LEU ALA ASP SEQRES 10 B 168 ALA LEU ASP ASP LYS PHE LEU HIS ASP MET LEU ALA GLU SEQRES 11 B 168 GLU LEU ARG TYR SER VAL ILE ARG GLU VAL LEU PRO THR SEQRES 12 B 168 ARG ARG ALA ARG THR PHE ASP LEU GLU VAL GLU GLU LEU SEQRES 13 B 168 HIS THR LEU VAL ALA GLU GLY VAL VAL VAL HIS SNN MODRES 2IMZ CSD A 1 CYS 3-SULFINOALANINE MODRES 2IMZ SNN A 440 ASN L-3-AMINOSUCCINIMIDE MODRES 2IMZ CSD B 1 CYS 3-SULFINOALANINE MODRES 2IMZ SNN B 440 ASN L-3-AMINOSUCCINIMIDE HET CSD A 1 8 HET SNN A 440 8 HET CSD B 1 8 HET SNN B 440 8 HET ZN A 501 1 HET ZN B 502 1 HETNAM CSD 3-SULFINOALANINE HETNAM SNN L-3-AMINOSUCCINIMIDE HETNAM ZN ZINC ION HETSYN CSD S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE FORMUL 1 CSD 2(C3 H7 N O4 S) FORMUL 1 SNN 2(C4 H6 N2 O2) FORMUL 3 ZN 2(ZN 2+) FORMUL 5 HOH *334(H2 O) HELIX 1 1 ILE A 19 GLY A 25 1 7 HELIX 2 2 GLY A 85 LEU A 87 5 3 HELIX 3 3 ILE B 19 GLY B 25 1 7 HELIX 4 4 GLY B 85 LEU B 87 5 3 SHEET 1 A 6 HIS A 30 ALA A 34 0 SHEET 2 A 6 LEU A 40 ILE A 61 -1 O HIS A 41 N ALA A 33 SHEET 3 A 6 ILE A 66 ALA A 69 -1 O ALA A 69 N ILE A 57 SHEET 4 A 6 LEU A 2 ALA A 3 -1 N ALA A 3 O TRP A 68 SHEET 5 A 6 TYR A 406 VAL A 425 -1 O PHE A 421 N LEU A 2 SHEET 6 A 6 ARG A 92 ALA A 94 -1 N VAL A 93 O SER A 407 SHEET 1 B 4 HIS A 30 ALA A 34 0 SHEET 2 B 4 LEU A 40 ILE A 61 -1 O HIS A 41 N ALA A 33 SHEET 3 B 4 TYR A 406 VAL A 425 -1 O LEU A 413 N GLY A 58 SHEET 4 B 4 ARG A 92 ALA A 94 -1 N VAL A 93 O SER A 407 SHEET 1 C 2 ARG A 7 PHE A 9 0 SHEET 2 C 2 THR A 16 ARG A 18 -1 O HIS A 17 N ILE A 8 SHEET 1 D 2 LYS A 74 THR A 77 0 SHEET 2 D 2 GLY A 80 ALA A 83 -1 O ARG A 82 N VAL A 75 SHEET 1 E 2 LEU A 431 ALA A 433 0 SHEET 2 E 2 VAL A 436 VAL A 438 -1 O VAL A 438 N LEU A 431 SHEET 1 F 6 HIS B 30 ALA B 34 0 SHEET 2 F 6 LEU B 40 ILE B 61 -1 O HIS B 41 N ALA B 33 SHEET 3 F 6 ILE B 66 ALA B 69 -1 O ALA B 69 N ILE B 57 SHEET 4 F 6 LEU B 2 ALA B 3 -1 N ALA B 3 O TRP B 68 SHEET 5 F 6 LEU B 404 VAL B 425 -1 O PHE B 421 N LEU B 2 SHEET 6 F 6 ARG B 92 PRO B 96 -1 N GLN B 95 O ARG B 405 SHEET 1 G 4 HIS B 30 ALA B 34 0 SHEET 2 G 4 LEU B 40 ILE B 61 -1 O HIS B 41 N ALA B 33 SHEET 3 G 4 LEU B 404 VAL B 425 -1 O LEU B 413 N GLY B 58 SHEET 4 G 4 ARG B 92 PRO B 96 -1 N GLN B 95 O ARG B 405 SHEET 1 H 2 ARG B 7 PHE B 9 0 SHEET 2 H 2 THR B 16 ARG B 18 -1 O HIS B 17 N ILE B 8 SHEET 1 I 2 LYS B 74 THR B 77 0 SHEET 2 I 2 GLY B 80 ALA B 83 -1 O ARG B 82 N VAL B 75 SHEET 1 J 2 LEU B 431 ALA B 433 0 SHEET 2 J 2 VAL B 436 VAL B 438 -1 O VAL B 436 N ALA B 433 LINK C CSD A 1 N LEU A 2 1555 1555 1.33 LINK C HIS A 439 N SNN A 440 1555 1555 1.33 LINK C CSD B 1 N LEU B 2 1555 1555 1.33 LINK C HIS B 439 N SNN B 440 1555 1555 1.33 LINK OE1 GLU A 424 ZN ZN A 501 1555 1555 2.19 LINK ND1 HIS A 429 ZN ZN A 501 1555 1555 1.96 LINK NE2 HIS A 439 ZN ZN B 502 1555 1555 2.03 LINK N1 SNN A 440 ZN ZN A 501 1555 1555 2.06 LINK ZN ZN A 501 NE2 HIS B 439 1555 1555 2.00 LINK OE1 GLU B 424 ZN ZN B 502 1555 1555 2.02 LINK ND1 HIS B 429 ZN ZN B 502 1555 1555 2.04 LINK N1 SNN B 440 ZN ZN B 502 1555 1555 2.09 SITE 1 AC1 4 GLU A 424 HIS A 429 SNN A 440 HIS B 439 SITE 1 AC2 4 HIS A 439 GLU B 424 HIS B 429 SNN B 440 CRYST1 82.430 93.630 40.140 90.00 90.00 90.00 P 21 21 2 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 0.012132 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010680 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024913 0.00000 HETATM 1 N CSD A 1 55.899 81.951 3.394 1.00 14.02 N HETATM 2 CA CSD A 1 54.866 81.652 4.439 1.00 13.47 C HETATM 3 CB CSD A 1 54.515 82.922 5.211 1.00 14.49 C HETATM 4 SG CSD A 1 55.984 83.663 5.984 1.00 19.37 S HETATM 5 C CSD A 1 53.601 81.065 3.826 1.00 13.25 C HETATM 6 O CSD A 1 53.258 81.349 2.676 1.00 13.51 O HETATM 7 OD1 CSD A 1 56.655 82.607 6.754 1.00 20.98 O HETATM 8 OD2 CSD A 1 56.882 84.111 4.903 1.00 23.36 O