HEADER UNKNOWN FUNCTION 14-JUL-17 5Y05 TITLE STRUCTURAL CHARACTERIZATION OF MSMEG_4306 FROM MYCOBACTERIUM SMEGMATIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: MSMEG_4306; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: UNCHARACTERIZED PROTEIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM SMEGMATIS (STRAIN ATCC 700084 / SOURCE 3 MC(2)155); SOURCE 4 ORGANISM_TAXID: 246196; SOURCE 5 STRAIN: ATCC 700084 / MC(2)155; SOURCE 6 GENE: MSMEG_4306; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET28B KEYWDS COILED COIL HELIX, ZINC RIBBON, HYPOTHETICAL, ZINC-SAD, UNKNOWN KEYWDS 2 FUNCTION EXPDTA X-RAY DIFFRACTION AUTHOR A.KUMAR,S.KARTHIKEYAN REVDAT 2 27-MAR-24 5Y05 1 REMARK REVDAT 1 02-MAY-18 5Y05 0 JRNL AUTH A.KUMAR,S.KARTHIKEYAN JRNL TITL CRYSTAL STRUCTURE OF THE MSMEG_4306 GENE PRODUCT FROM JRNL TITL 2 MYCOBACTERIUM SMEGMATIS JRNL REF ACTA CRYSTALLOGR F STRUCT V. 74 166 2018 JRNL REF 2 BIOL COMMUN JRNL REFN ESSN 2053-230X JRNL PMID 29497021 JRNL DOI 10.1107/S2053230X18002236 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX DEV_2614 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.57 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 7602 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.261 REMARK 3 R VALUE (WORKING SET) : 0.258 REMARK 3 FREE R VALUE : 0.312 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.950 REMARK 3 FREE R VALUE TEST SET COUNT : 376 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 38.5721 - 4.0361 1.00 2490 127 0.2420 0.2920 REMARK 3 2 4.0361 - 3.2041 1.00 2350 143 0.2734 0.3310 REMARK 3 3 3.2041 - 2.7992 1.00 2386 106 0.3207 0.3611 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.390 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 34.290 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 87.31 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 91.70 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.001 1670 REMARK 3 ANGLE : 0.308 2261 REMARK 3 CHIRALITY : 0.029 274 REMARK 3 PLANARITY : 0.002 311 REMARK 3 DIHEDRAL : 9.009 1047 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5Y05 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-JUL-17. REMARK 100 THE DEPOSITION ID IS D_1300004445. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-SEP-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.28198 REMARK 200 MONOCHROMATOR : SI III REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7606 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.799 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 21.20 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 47.4500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 18.80 REMARK 200 R MERGE FOR SHELL (I) : 1.43900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.930 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: CRANK2 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.72 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 8000, 5% PEG 2000 MME, 0.1 M REMARK 280 TRIS-HCL PH 8.5, 0.1 M MAGNESIUM FORMATE, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 28.59700 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 57.19400 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 57.19400 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 28.59700 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 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 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 -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLU A -7 REMARK 465 ASN A -6 REMARK 465 LEU A -5 REMARK 465 TYR A -4 REMARK 465 PHE A -3 REMARK 465 GLN A -2 REMARK 465 GLY A -1 REMARK 465 HIS A 0 REMARK 465 LEU A 86 REMARK 465 GLU A 87 REMARK 465 GLY A 88 REMARK 465 GLY A 89 REMARK 465 SER A 90 REMARK 465 VAL A 91 REMARK 465 VAL A 240 REMARK 465 LYS A 241 REMARK 465 GLN A 242 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 2 CG CD CE NZ REMARK 470 ARG A 9 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 29 CG CD CE NZ REMARK 470 LYS A 35 CG CD CE NZ REMARK 470 LYS A 67 CG CD CE NZ REMARK 470 ASP A 73 CG OD1 OD2 REMARK 470 ARG A 76 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 77 CG CD OE1 NE2 REMARK 470 ARG A 78 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 79 CG CD OE1 OE2 REMARK 470 ASP A 80 CG OD1 OD2 REMARK 470 ARG A 81 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 82 CG OD1 OD2 REMARK 470 ARG A 83 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 94 CG CD CE NZ REMARK 470 VAL A 96 CG1 CG2 REMARK 470 ILE A 99 CG1 CG2 CD1 REMARK 470 GLN A 100 CG CD OE1 NE2 REMARK 470 HIS A 101 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 102 CG CD OE1 OE2 REMARK 470 LEU A 103 CG CD1 CD2 REMARK 470 GLU A 104 CG CD OE1 OE2 REMARK 470 THR A 105 OG1 CG2 REMARK 470 GLN A 107 CG CD OE1 NE2 REMARK 470 GLU A 114 CG CD OE1 OE2 REMARK 470 GLU A 133 CG CD OE1 OE2 REMARK 470 GLU A 140 CG CD OE1 OE2 REMARK 470 GLN A 161 CG CD OE1 NE2 REMARK 470 ARG A 169 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 180 CG CD OE1 NE2 REMARK 470 ARG A 202 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 203 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 210 CG CD OE1 OE2 REMARK 470 ARG A 213 CG CD NE CZ NH1 NH2 REMARK 470 ILE A 216 CG1 CG2 CD1 REMARK 470 ARG A 218 CG CD NE CZ NH1 NH2 REMARK 470 THR A 220 OG1 CG2 REMARK 470 ASP A 224 CG OD1 OD2 REMARK 470 GLU A 232 CG CD OE1 OE2 REMARK 470 ILE A 236 CG1 CG2 CD1 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 206 -71.66 -98.01 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 204 SG REMARK 620 2 CYS A 207 SG 110.0 REMARK 620 3 CYS A 230 SG 113.2 99.7 REMARK 620 4 CYS A 233 SG 125.9 94.6 108.6 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 301 DBREF 5Y05 A 1 242 UNP A0R095 A0R095_MYCS2 1 242 SEQADV 5Y05 MET A -19 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 GLY A -18 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 SER A -17 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 SER A -16 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 HIS A -15 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 HIS A -14 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 HIS A -13 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 HIS A -12 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 HIS A -11 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 HIS A -10 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 SER A -9 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 SER A -8 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 GLU A -7 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 ASN A -6 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 LEU A -5 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 TYR A -4 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 PHE A -3 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 GLN A -2 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 GLY A -1 UNP A0R095 EXPRESSION TAG SEQADV 5Y05 HIS A 0 UNP A0R095 EXPRESSION TAG SEQRES 1 A 262 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLU SEQRES 2 A 262 ASN LEU TYR PHE GLN GLY HIS MET LYS ALA GLU VAL SER SEQRES 3 A 262 GLN GLN ARG SER LEU LEU THR LEU SER GLU VAL ASP ALA SEQRES 4 A 262 GLU LEU ALA ARG ILE ALA HIS ARG GLY LYS ASN LEU ALA SEQRES 5 A 262 GLU GLN LYS ARG LEU ASP GLU LEU THR ALA GLN ARG GLY SEQRES 6 A 262 GLU VAL ASN ASP ARG LEU ALA ALA LEU GLY ILE ALA LEU SEQRES 7 A 262 GLU ASP LEU ASP ALA GLN VAL ALA LYS TYR GLU SER GLU SEQRES 8 A 262 ILE ASP SER VAL ARG GLN ARG GLU ASP ARG ASP ARG ALA SEQRES 9 A 262 LEU LEU GLU GLY GLY SER VAL GLY ALA LYS GLN VAL THR SEQRES 10 A 262 GLU ILE GLN HIS GLU LEU GLU THR LEU GLN ARG ARG GLN SEQRES 11 A 262 ALA SER LEU GLU GLU GLN LEU LEU GLU VAL MET GLU ARG SEQRES 12 A 262 ARG GLU GLU LEU MET ALA GLU ARG SER GLU GLU LEU ARG SEQRES 13 A 262 ARG VAL ASP GLU LEU GLN THR GLU LEU THR GLU ALA GLN SEQRES 14 A 262 GLN ALA ARG ASP ALA ALA LEU VAL GLU LEU ASP GLN ALA SEQRES 15 A 262 ARG HIS GLN CYS ALA THR ARG ARG ASP ALA LEU VAL ASN SEQRES 16 A 262 ALA ILE ASP ASP GLN LEU VAL GLU LEU TYR GLU LYS GLN SEQRES 17 A 262 ARG ALA ARG GLY GLY ALA GLY ALA GLY PRO LEU GLN GLY SEQRES 18 A 262 ARG ARG CYS GLY ALA CYS ARG ILE GLU ILE ASP ARG GLY SEQRES 19 A 262 GLU ILE ALA ARG ILE THR ALA ALA ALA ASP ASP ASP VAL SEQRES 20 A 262 VAL ARG CYS PRO GLU CYS GLY ALA ILE LEU LEU ARG VAL SEQRES 21 A 262 LYS GLN HET ZN A 301 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ HELIX 1 AA1 GLU A 4 LYS A 29 1 26 HELIX 2 AA2 LEU A 31 ALA A 84 1 54 HELIX 3 AA3 ALA A 93 ALA A 176 1 84 HELIX 4 AA4 ASP A 178 ALA A 190 1 13 HELIX 5 AA5 ASP A 212 THR A 220 1 9 SHEET 1 AA1 4 ARG A 203 CYS A 204 0 SHEET 2 AA1 4 ALA A 196 GLN A 200 -1 N GLN A 200 O ARG A 203 SHEET 3 AA1 4 ILE A 236 LEU A 238 1 O LEU A 238 N LEU A 199 SHEET 4 AA1 4 VAL A 228 ARG A 229 -1 N VAL A 228 O LEU A 237 LINK SG CYS A 204 ZN ZN A 301 1555 1555 2.34 LINK SG CYS A 207 ZN ZN A 301 1555 1555 2.36 LINK SG CYS A 230 ZN ZN A 301 1555 1555 2.35 LINK SG CYS A 233 ZN ZN A 301 1555 1555 2.43 SITE 1 AC1 4 CYS A 204 CYS A 207 CYS A 230 CYS A 233 CRYST1 77.137 77.137 85.791 90.00 90.00 120.00 P 31 2 1 6 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 0.012964 0.007485 0.000000 0.00000 SCALE2 0.000000 0.014969 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011656 0.00000