HEADER OXIDOREDUCTASE 04-MAR-04 1SK0 TITLE ARSENATE REDUCTASE R60A MUTANT +0.4M ARSENITE FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: ARSENATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ARSENICAL PUMP MODIFIER; COMPND 5 EC: 1.20.4.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS ARSC, REDUCTASE, ARSENITE, ARSENATE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR S.DEMEL,B.F.EDWARDS REVDAT 8 03-APR-24 1SK0 1 REMARK SEQADV LINK REVDAT 7 24-JUL-19 1SK0 1 REMARK LINK REVDAT 6 29-AUG-18 1SK0 1 COMPND SOURCE REVDAT 5 04-APR-18 1SK0 1 REMARK REVDAT 4 11-OCT-17 1SK0 1 REMARK REVDAT 3 13-JUL-11 1SK0 1 VERSN REVDAT 2 24-FEB-09 1SK0 1 VERSN REVDAT 1 15-MAR-05 1SK0 0 JRNL AUTH S.DEMEL,J.SHI,P.MARTIN,B.P.ROSEN,B.F.EDWARDS JRNL TITL ARGININE 60 IN THE ARSC ARSENATE REDUCTASE OF E. COLI JRNL TITL 2 PLASMID R773 DETERMINES THE CHEMICAL NATURE OF THE BOUND JRNL TITL 3 AS(III) PRODUCT. JRNL REF PROTEIN SCI. V. 13 2330 2004 JRNL REFN ISSN 0961-8368 JRNL PMID 15295115 JRNL DOI 10.1110/PS.04787204 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.183 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : 0.239 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) : 23276 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.182 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 23220 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1082 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 300 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1419.5 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 3 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 5828 REMARK 3 NUMBER OF RESTRAINTS : 4570 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 ANGLE DISTANCES (A) : 0.024 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.029 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.044 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.049 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.018 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.063 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SK0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-MAR-04. REMARK 100 THE DEPOSITION ID IS D_1000021776. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-NOV-01 REMARK 200 TEMPERATURE (KELVIN) : 93.0 REMARK 200 PH : 4.80 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : OSMIC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24478 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.788 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 17.50 REMARK 200 R MERGE (I) : 0.14160 REMARK 200 R SYM (I) : 0.14160 REMARK 200 FOR THE DATA SET : 16.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.79 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.1 REMARK 200 DATA REDUNDANCY IN SHELL : 21.36 REMARK 200 R MERGE FOR SHELL (I) : 0.52600 REMARK 200 R SYM FOR SHELL (I) : 0.52600 REMARK 200 FOR SHELL : 2.936 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: NATIVE STRUCTURE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50% SATURATED CESIUM SULFATE, 100MM REMARK 280 SODIUM ACETATE,5MM DTT, PH 4.80, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 278K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.66333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 77.32667 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 57.99500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 96.65833 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 19.33167 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 38.66333 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 77.32667 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 96.65833 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 57.99500 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 19.33167 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A1250 LIES ON A SPECIAL POSITION. 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 MET A 1 REMARK 465 SER A 2 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 23 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ASP A 114 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES 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 CS A 402 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRO A 38 O REMARK 620 2 SER A 40 N 64.1 REMARK 620 3 HOH A1059 O 60.8 100.8 REMARK 620 4 HOH A1113 O 42.3 95.9 77.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS A 405 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 67 OE1 REMARK 620 2 ASP A 128 OD2 125.9 REMARK 620 3 HOH A1028 O 61.2 116.6 REMARK 620 4 HOH A1049 O 51.6 89.0 42.5 REMARK 620 5 HOH A1065 O 65.1 102.5 125.3 106.8 REMARK 620 6 HOH A1106 O 126.2 54.1 72.8 75.9 156.6 REMARK 620 7 HOH A1112 O 108.2 119.2 65.5 107.0 125.7 73.3 REMARK 620 8 HOH A1242 O 142.1 62.5 154.6 151.1 77.1 89.7 92.1 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS A 401 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LEU A 113 O REMARK 620 2 LEU A 113 O 130.4 REMARK 620 3 ASP A 114 O 65.3 72.0 REMARK 620 4 ASP A 114 O 75.3 66.1 68.1 REMARK 620 5 LEU A 116 O 78.1 128.5 92.1 151.7 REMARK 620 6 LEU A 116 O 138.0 78.7 150.6 97.5 108.7 REMARK 620 7 HOH A1013 O 86.8 142.8 137.3 137.4 49.1 70.7 REMARK 620 8 HOH A1013 O 143.1 83.7 127.8 140.2 67.9 49.4 60.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS A 404 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 120 O REMARK 620 2 LYS A 121 O 64.8 REMARK 620 3 GLU A 135 O 135.7 111.0 REMARK 620 4 HOH A1077 O 43.1 106.6 111.1 REMARK 620 5 HOH A1146 O 53.0 73.1 171.1 74.2 REMARK 620 6 HOH A1178 O 67.5 94.3 69.0 52.3 119.1 REMARK 620 N 1 2 3 4 5 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 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS A 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS A 405 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TAS A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1S3C RELATED DB: PDB REMARK 900 RELATED ID: 1S3D RELATED DB: PDB REMARK 900 RELATED ID: 1SD8 RELATED DB: PDB REMARK 900 RELATED ID: 1SD9 RELATED DB: PDB REMARK 900 RELATED ID: 1SJZ RELATED DB: PDB REMARK 900 RELATED ID: 1SK1 RELATED DB: PDB REMARK 900 RELATED ID: 1SK2 RELATED DB: PDB DBREF 1SK0 A 1 140 UNP P08692 ARC1_ECOLI 1 140 SEQADV 1SK0 ALA A 60 UNP P08692 ARG 60 ENGINEERED MUTATION SEQRES 1 A 140 MET SER ASN ILE THR ILE TYR HIS ASN PRO ALA CZ2 GLY SEQRES 2 A 140 THR SER ARG ASN THR LEU GLU MET ILE ARG ASN SER GLY SEQRES 3 A 140 THR GLU PRO THR ILE ILE LEU TYR LEU GLU ASN PRO PRO SEQRES 4 A 140 SER ARG ASP GLU LEU VAL LYS LEU ILE ALA ASP MET GLY SEQRES 5 A 140 ILE SER VAL ARG ALA LEU LEU ALA LYS ASN VAL GLU PRO SEQRES 6 A 140 TYR GLU GLN LEU GLY LEU ALA GLU ASP LYS PHE THR ASP SEQRES 7 A 140 ASP GLN LEU ILE ASP PHE MET LEU GLN HIS PRO ILE LEU SEQRES 8 A 140 ILE ASN ARG PRO ILE VAL VAL THR PRO LEU GLY THR ARG SEQRES 9 A 140 LEU CYS ARG PRO SER GLU VAL VAL LEU ASP ILE LEU GLN SEQRES 10 A 140 ASP ALA GLN LYS GLY ALA PHE THR LYS GLU ASP GLY GLU SEQRES 11 A 140 LYS VAL VAL ASP GLU ALA GLY LYS ARG LEU MODRES 1SK0 CZ2 A 12 CYS S-(DIHYDROXYARSINO)CYSTEINE HET CZ2 A 12 11 HET SO4 A 202 5 HET SO4 A 203 5 HET CS A 401 1 HET CS A 402 1 HET CS A 404 1 HET CS A 405 1 HET TAS A 201 4 HETNAM CZ2 S-(DIHYDROXYARSINO)CYSTEINE HETNAM SO4 SULFATE ION HETNAM CS CESIUM ION HETNAM TAS TRIHYDROXYARSENITE(III) HETSYN CZ2 THIARSA DIHYDROXY CYSTEINE FORMUL 1 CZ2 C3 H8 AS N O4 S FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 CS 4(CS 1+) FORMUL 8 TAS AS H3 O3 FORMUL 9 HOH *300(H2 O) HELIX 1 1 GLY A 13 SER A 25 1 13 HELIX 2 2 SER A 40 GLY A 52 1 13 HELIX 3 3 SER A 54 LEU A 59 1 6 HELIX 4 4 VAL A 63 LEU A 69 1 7 HELIX 5 5 THR A 77 HIS A 88 1 12 HELIX 6 6 PRO A 89 LEU A 91 5 3 HELIX 7 7 PRO A 108 ILE A 115 5 8 SHEET 1 A 4 THR A 30 ILE A 32 0 SHEET 2 A 4 THR A 5 TYR A 7 1 O ILE A 6 N ILE A 32 SHEET 3 A 4 ILE A 96 THR A 99 -1 O ILE A 96 N TYR A 7 SHEET 4 A 4 GLY A 102 LEU A 105 -1 O GLY A 102 N THR A 99 SHEET 1 B 2 PHE A 124 THR A 125 0 SHEET 2 B 2 LYS A 131 VAL A 133 -1 N VAL A 132 O PHE A 124 LINK C ALA A 11 N CZ2 A 12 1555 1555 1.34 LINK C CZ2 A 12 N GLY A 13 1555 1555 1.32 LINK O2 CZ2 A 12 CZ ARG A 94 1555 1555 1.93 LINK O2 CZ2 A 12 NH2 ARG A 94 1555 1555 1.36 LINK O PRO A 38 CS CS A 402 1555 1555 3.24 LINK N SER A 40 CS CS A 402 1555 1555 3.81 LINK OE1 GLU A 67 CS CS A 405 12566 1555 3.63 LINK O LEU A 113 CS CS A 401 1555 1555 3.15 LINK O LEU A 113 CS CS A 401 10665 1555 3.25 LINK O ASP A 114 CS CS A 401 1555 1555 3.41 LINK O ASP A 114 CS CS A 401 10665 1555 3.26 LINK O LEU A 116 CS CS A 401 1555 1555 3.30 LINK O LEU A 116 CS CS A 401 10665 1555 3.17 LINK O GLN A 120 CS CS A 404 1555 1555 3.78 LINK O LYS A 121 CS CS A 404 1555 1555 3.87 LINK OD2 ASP A 128 CS CS A 405 1555 1555 3.46 LINK O GLU A 135 CS CS A 404 1555 1555 2.94 LINK CS CS A 401 O HOH A1013 1555 1555 3.21 LINK CS CS A 401 O HOH A1013 1555 10665 3.30 LINK CS CS A 402 O HOH A1059 1555 1555 3.18 LINK CS CS A 402 O HOH A1113 1555 1555 3.50 LINK CS CS A 404 O HOH A1077 1555 1555 3.57 LINK CS CS A 404 O HOH A1146 1555 1555 3.07 LINK CS CS A 404 O HOH A1178 1555 1555 2.91 LINK CS CS A 405 O HOH A1028 1555 1555 3.24 LINK CS CS A 405 O HOH A1049 1555 1555 3.78 LINK CS CS A 405 O HOH A1065 1555 12566 3.67 LINK CS CS A 405 O HOH A1106 1555 1555 3.20 LINK CS CS A 405 O HOH A1112 1555 1555 3.30 LINK CS CS A 405 O HOH A1242 1555 1555 3.21 CISPEP 1 ARG A 94 PRO A 95 0 -7.69 CISPEP 2 ARG A 107 PRO A 108 0 1.10 SITE 1 AC1 5 ASN A 93 ARG A 107 HOH A1084 HOH A1128 SITE 2 AC1 5 HOH A1270 SITE 1 AC2 9 THR A 14 ASN A 17 PRO A 108 SER A 109 SITE 2 AC2 9 LYS A 126 HOH A1028 HOH A1106 HOH A1112 SITE 3 AC2 9 HOH A1167 SITE 1 AC3 3 LEU A 113 ASP A 114 LEU A 116 SITE 1 AC4 2 PRO A 38 GLU A 43 SITE 1 AC5 3 GLU A 135 HOH A1146 HOH A1178 SITE 1 AC6 2 GLU A 67 ASP A 128 SITE 1 AC7 7 CZ2 A 12 GLY A 13 THR A 14 ASN A 62 SITE 2 AC7 7 GLU A 67 HOH A1028 HOH A1096 CRYST1 86.560 86.560 115.990 90.00 90.00 120.00 P 61 2 2 12 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 0.011553 0.006670 0.000000 0.00000 SCALE2 0.000000 0.013340 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008621 0.00000