HEADER TRANSPORT PROTEIN 23-DEC-19 6VDA TITLE METAL-BOUND C-TERMINAL DOMAIN OF CZCD TRANSPORTER FROM THERMOTOGA TITLE 2 MARITIMA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ZT_DIMER DOMAIN-CONTAINING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA (STRAIN ATCC 43589 / MSB8 / SOURCE 3 DSM 3109 / JCM 10099); SOURCE 4 ORGANISM_TAXID: 243274; SOURCE 5 STRAIN: ATCC 43589 / MSB8 / DSM 3109 / JCM 10099; SOURCE 6 GENE: TM_0876; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CATION DIFFUSION FACILITATOR PROTEIN (CDF), CZCD, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.J.MAHER REVDAT 2 11-OCT-23 6VDA 1 REMARK REVDAT 1 24-JUN-20 6VDA 0 JRNL AUTH S.R.UDAGEDARA,D.M.LA PORTA,C.SPEHAR,G.PUROHIT,M.J.A.HEIN, JRNL AUTH 2 M.E.FATMOUS,G.P.CASAS GARCIA,K.GANIO,C.A.MCDEVITT,M.J.MAHER JRNL TITL STRUCTURAL AND FUNCTIONAL CHARACTERIZATIONS OF THE JRNL TITL 2 C-TERMINAL DOMAINS OF CZCD PROTEINS. JRNL REF J.INORG.BIOCHEM. V. 208 11087 2020 JRNL REFN ISSN 0162-0134 JRNL PMID 32505855 JRNL DOI 10.1016/J.JINORGBIO.2020.111087 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 7.0.078 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 5289 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 + TEST SET) : 0.239 REMARK 3 R VALUE (WORKING SET) : 0.234 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.500 REMARK 3 FREE R VALUE TEST SET COUNT : 618 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 689 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 7 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 81.71 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.24000 REMARK 3 B22 (A**2) : 0.24000 REMARK 3 B33 (A**2) : -0.78000 REMARK 3 B12 (A**2) : 0.12000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.319 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.263 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.206 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 18.310 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 6VDA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JAN-20. REMARK 100 THE DEPOSITION ID IS D_1000246201. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUN-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS 5.8.0258 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6149 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 49.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 2ZZT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6 M-2.0 M AMMONIUM SULFATE, 1.0 MM REMARK 280 ZNSO4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 0.00000 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 0.00000 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 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 48.71000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 28.12273 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 28.02000 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 48.71000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 28.12273 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 28.02000 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 48.71000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 28.12273 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 28.02000 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 48.71000 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 28.12273 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 28.02000 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 48.71000 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 28.12273 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 28.02000 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 48.71000 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 28.12273 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 28.02000 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 56.24546 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 56.04000 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 56.24546 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 56.04000 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 56.24546 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 56.04000 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 56.24546 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 56.04000 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 56.24546 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 56.04000 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 56.24546 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 56.04000 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: 1580 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 KCAL/MOL 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 56.24546 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 56.04000 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 206 REMARK 465 ASP A 207 REMARK 465 GLY A 208 REMARK 465 GLU A 295 REMARK 465 GLU A 296 REMARK 465 GLY A 297 REMARK 465 PHE A 298 REMARK 465 GLY A 299 REMARK 465 LEU A 300 REMARK 465 LYS A 301 REMARK 465 LYS A 302 REMARK 465 GLY A 303 REMARK 465 GLU A 304 REMARK 465 LYS A 305 REMARK 465 LYS A 306 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 ARG A 237 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 240 CG CD NE CZ NH1 NH2 REMARK 470 THR A 243 OG1 CG2 REMARK 470 LYS A 244 CG CD CE NZ REMARK 470 LYS A 256 CD CE NZ REMARK 470 LYS A 260 CE NZ REMARK 470 LYS A 268 CE NZ REMARK 470 LYS A 271 CD CE NZ REMARK 470 LYS A 275 CE NZ 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 OE2 GLU A 288 ZN ZN A 401 1.66 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 VAL A 293 47.07 -110.00 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 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 234 NE2 REMARK 620 2 ASP A 250 OD2 110.1 REMARK 620 3 GLU A 294 OE1 112.4 119.7 REMARK 620 N 1 2 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 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 403 DBREF 6VDA A 206 306 UNP Q9WZX9 Q9WZX9_THEMA 206 306 SEQRES 1 A 101 MET ASP GLY MET LYS ARG THR GLU LEU ASP MET TYR ASP SEQRES 2 A 101 ASP ILE PHE ALA VAL LEU GLU ARG PHE PRO ASN VAL HIS SEQRES 3 A 101 ASN PRO HIS ARG VAL ARG ILE ARG ARG VAL GLY THR LYS SEQRES 4 A 101 TYR PHE ILE GLU MET ASP ILE GLU VAL ASP GLY LYS MET SEQRES 5 A 101 SER VAL LYS ASP ALA HIS GLU LEU THR VAL LYS ILE ARG SEQRES 6 A 101 LYS GLU MET LEU LYS ARG ARG ASP ASP ILE GLU ASP VAL SEQRES 7 A 101 THR ILE HIS VAL GLU PRO LEU GLY ASN VAL GLU GLU GLU SEQRES 8 A 101 GLY PHE GLY LEU LYS LYS GLY GLU LYS LYS HET ZN A 401 1 HET SO4 A 402 5 HET SO4 A 403 5 HETNAM ZN ZINC ION HETNAM SO4 SULFATE ION FORMUL 2 ZN ZN 2+ FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *7(H2 O) HELIX 1 AA1 LYS A 210 GLU A 225 1 16 HELIX 2 AA2 SER A 258 ARG A 277 1 20 SHEET 1 AA1 3 HIS A 231 VAL A 241 0 SHEET 2 AA1 3 LYS A 244 VAL A 253 -1 O GLU A 252 N HIS A 231 SHEET 3 AA1 3 ILE A 280 PRO A 289 1 O GLU A 281 N TYR A 245 LINK NE2 HIS A 234 ZN ZN A 401 1555 1555 2.14 LINK OD2 ASP A 250 ZN ZN A 401 1555 1555 2.19 LINK OE1 GLU A 294 ZN ZN A 401 1555 1555 2.12 SITE 1 AC1 4 HIS A 234 ASP A 250 GLU A 288 GLU A 294 SITE 1 AC2 3 ARG A 211 HIS A 231 ASN A 232 SITE 1 AC3 4 ILE A 285 HIS A 286 VAL A 287 HOH A 501 CRYST1 97.420 97.420 84.060 90.00 90.00 120.00 H 3 2 18 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 0.010265 0.005926 0.000000 0.00000 SCALE2 0.000000 0.011853 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011896 0.00000