HEADER HYDROLASE 24-MAR-05 1Z7H TITLE 2.3 ANGSTROM CRYSTAL STRUCTURE OF TETANUS NEUROTOXIN LIGHT CHAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: TETANUS TOXIN LIGHT CHAIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TETANUS TOXIN CHAIN L; COMPND 5 EC: 3.4.24.68; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM TETANI; SOURCE 3 ORGANISM_TAXID: 1513; SOURCE 4 GENE: TETX; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21-DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-28A KEYWDS TENT, TETANUS, METALLOPROTEASE, SNARE, NEUROTRANSMISSION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR M.A.BREIDENBACH,A.T.BRUNGER REVDAT 6 23-AUG-23 1Z7H 1 REMARK REVDAT 5 20-OCT-21 1Z7H 1 REMARK SEQADV LINK REVDAT 4 31-JAN-18 1Z7H 1 REMARK REVDAT 3 24-FEB-09 1Z7H 1 VERSN REVDAT 2 24-MAY-05 1Z7H 1 JRNL REVDAT 1 10-MAY-05 1Z7H 0 JRNL AUTH M.A.BREIDENBACH,A.T.BRUNGER JRNL TITL 2.3A CRYSTAL STRUCTURE OF TETANUS NEUROTOXIN LIGHT CHAIN JRNL REF BIOCHEMISTRY V. 44 7450 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15895988 JRNL DOI 10.1021/BI050262J REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.950 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 45806 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.212 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 4461 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2170 REMARK 3 BIN FREE R VALUE : 0.2230 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 5739 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.009 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3453 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 328 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.16 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.17 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.316 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.71 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.794 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Z7H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-05. REMARK 100 THE DEPOSITION ID IS D_1000032394. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JUN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9673, 1.0400 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 55182 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.700 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 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: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD/MR PHASE COMBINATION REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB 1F82 ENTRY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, MAGNESIUM NITRATE, PH 7.4, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 20K, TEMPERATURE REMARK 280 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z REMARK 290 7555 -X+1/2,Y+1/2,-Z REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 52.67500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 88.43000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 52.67500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 88.43000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 52.67500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 88.43000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 52.67500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 88.43000 REMARK 290 SMTRY3 8 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 300 REMARK: TENT-LC IS A MONOMER 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 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 A 681 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 684 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 GLY A -3 REMARK 465 SER A -2 REMARK 465 HIS A -1 REMARK 465 MET A 0 REMARK 465 MET A 1 REMARK 465 GLY A 428 REMARK 465 SER A 429 REMARK 465 GLY A 430 REMARK 465 LEU A 431 REMARK 465 VAL A 432 REMARK 465 SER A 433 REMARK 465 LYS A 434 REMARK 465 LEU A 435 REMARK 465 ILE A 436 REMARK 465 GLY A 437 REMARK 465 LEU A 438 REMARK 465 CYS A 439 REMARK 465 LYS A 440 REMARK 465 LYS A 441 REMARK 465 ILE A 442 REMARK 465 ILE A 443 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 VAL A 209 REMARK 475 ILE A 210 REMARK 475 GLU A 211 REMARK 475 ASN A 212 REMARK 475 ILE A 213 REMARK 475 THR A 214 REMARK 475 SER A 215 REMARK 475 LEU A 216 REMARK 475 THR A 217 REMARK 475 ILE A 218 REMARK 475 GLY A 219 REMARK 475 LYS A 220 REMARK 475 ILE A 253 REMARK 475 PRO A 254 REMARK 475 SER A 255 REMARK 475 LYS A 256 REMARK 475 GLN A 257 REMARK 475 GLU A 258 REMARK 475 ILE A 259 REMARK 475 TYR A 260 REMARK 475 MET A 261 REMARK 475 GLN A 262 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 738 O HOH A 738 3656 2.11 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 ASN A 16 16.41 57.47 REMARK 500 ASP A 17 -73.73 -136.63 REMARK 500 SER A 63 80.25 -66.71 REMARK 500 SER A 64 73.04 51.88 REMARK 500 LEU A 65 154.55 -33.26 REMARK 500 ALA A 69 71.85 -63.85 REMARK 500 SER A 70 -51.57 -122.42 REMARK 500 ASP A 74 85.82 -179.77 REMARK 500 ASN A 133 2.29 -69.79 REMARK 500 PRO A 144 -45.31 -25.03 REMARK 500 ASN A 167 56.57 -101.38 REMARK 500 VAL A 209 86.45 -65.99 REMARK 500 GLU A 211 81.19 -159.92 REMARK 500 ASN A 212 90.40 60.46 REMARK 500 THR A 217 -20.51 -146.92 REMARK 500 ILE A 218 -94.36 -112.85 REMARK 500 SER A 221 20.39 169.67 REMARK 500 HIS A 250 98.26 -176.93 REMARK 500 GLU A 251 119.44 -179.80 REMARK 500 ILE A 252 -122.87 -110.86 REMARK 500 SER A 255 82.23 -151.01 REMARK 500 GLN A 257 -44.66 -174.67 REMARK 500 MET A 261 -75.21 -163.76 REMARK 500 GLN A 262 -37.28 -139.90 REMARK 500 HIS A 263 -154.94 -162.17 REMARK 500 THR A 264 116.72 -169.13 REMARK 500 GLU A 410 29.12 45.77 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 444 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 207 OD1 REMARK 620 2 ASP A 207 OD2 49.7 REMARK 620 3 HIS A 380 NE2 99.5 73.2 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 445 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 233 NE2 REMARK 620 2 HIS A 237 NE2 105.6 REMARK 620 3 GLU A 271 OE1 102.7 93.0 REMARK 620 4 GLU A 271 OE2 155.1 82.4 52.8 REMARK 620 5 HOH A 469 O 111.0 105.5 134.8 88.6 REMARK 620 N 1 2 3 4 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 444 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 445 DBREF 1Z7H A 1 443 UNP P04958 TETX_CLOTE 0 442 SEQADV 1Z7H GLY A -3 UNP P04958 CLONING ARTIFACT SEQADV 1Z7H SER A -2 UNP P04958 CLONING ARTIFACT SEQADV 1Z7H HIS A -1 UNP P04958 CLONING ARTIFACT SEQADV 1Z7H MET A 0 UNP P04958 CLONING ARTIFACT SEQADV 1Z7H VAL A 361 UNP P04958 ILE 360 ENGINEERED MUTATION SEQRES 1 A 447 GLY SER HIS MET MET PRO ILE THR ILE ASN ASN PHE ARG SEQRES 2 A 447 TYR SER ASP PRO VAL ASN ASN ASP THR ILE ILE MET MET SEQRES 3 A 447 GLU PRO PRO TYR CYS LYS GLY LEU ASP ILE TYR TYR LYS SEQRES 4 A 447 ALA PHE LYS ILE THR ASP ARG ILE TRP ILE VAL PRO GLU SEQRES 5 A 447 ARG TYR GLU PHE GLY THR LYS PRO GLU ASP PHE ASN PRO SEQRES 6 A 447 PRO SER SER LEU ILE GLU GLY ALA SER GLU TYR TYR ASP SEQRES 7 A 447 PRO ASN TYR LEU ARG THR ASP SER ASP LYS ASP ARG PHE SEQRES 8 A 447 LEU GLN THR MET VAL LYS LEU PHE ASN ARG ILE LYS ASN SEQRES 9 A 447 ASN VAL ALA GLY GLU ALA LEU LEU ASP LYS ILE ILE ASN SEQRES 10 A 447 ALA ILE PRO TYR LEU GLY ASN SER TYR SER LEU LEU ASP SEQRES 11 A 447 LYS PHE ASP THR ASN SER ASN SER VAL SER PHE ASN LEU SEQRES 12 A 447 LEU GLU GLN ASP PRO SER GLY ALA THR THR LYS SER ALA SEQRES 13 A 447 MET LEU THR ASN LEU ILE ILE PHE GLY PRO GLY PRO VAL SEQRES 14 A 447 LEU ASN LYS ASN GLU VAL ARG GLY ILE VAL LEU ARG VAL SEQRES 15 A 447 ASP ASN LYS ASN TYR PHE PRO CYS ARG ASP GLY PHE GLY SEQRES 16 A 447 SER ILE MET GLN MET ALA PHE CYS PRO GLU TYR VAL PRO SEQRES 17 A 447 THR PHE ASP ASN VAL ILE GLU ASN ILE THR SER LEU THR SEQRES 18 A 447 ILE GLY LYS SER LYS TYR PHE GLN ASP PRO ALA LEU LEU SEQRES 19 A 447 LEU MET HIS GLU LEU ILE HIS VAL LEU HIS GLY LEU TYR SEQRES 20 A 447 GLY MET GLN VAL SER SER HIS GLU ILE ILE PRO SER LYS SEQRES 21 A 447 GLN GLU ILE TYR MET GLN HIS THR TYR PRO ILE SER ALA SEQRES 22 A 447 GLU GLU LEU PHE THR PHE GLY GLY GLN ASP ALA ASN LEU SEQRES 23 A 447 ILE SER ILE ASP ILE LYS ASN ASP LEU TYR GLU LYS THR SEQRES 24 A 447 LEU ASN ASP TYR LYS ALA ILE ALA ASN LYS LEU SER GLN SEQRES 25 A 447 VAL THR SER CYS ASN ASP PRO ASN ILE ASP ILE ASP SER SEQRES 26 A 447 TYR LYS GLN ILE TYR GLN GLN LYS TYR GLN PHE ASP LYS SEQRES 27 A 447 ASP SER ASN GLY GLN TYR ILE VAL ASN GLU ASP LYS PHE SEQRES 28 A 447 GLN ILE LEU TYR ASN SER ILE MET TYR GLY PHE THR GLU SEQRES 29 A 447 VAL GLU LEU GLY LYS LYS PHE ASN ILE LYS THR ARG LEU SEQRES 30 A 447 SER TYR PHE SER MET ASN HIS ASP PRO VAL LYS ILE PRO SEQRES 31 A 447 ASN LEU LEU ASP ASP THR ILE TYR ASN ASP THR GLU GLY SEQRES 32 A 447 PHE ASN ILE GLU SER LYS ASP LEU LYS SER GLU TYR LYS SEQRES 33 A 447 GLY GLN ASN MET ARG VAL ASN THR ASN ALA PHE ARG ASN SEQRES 34 A 447 VAL ASP GLY SER GLY LEU VAL SER LYS LEU ILE GLY LEU SEQRES 35 A 447 CYS LYS LYS ILE ILE HET ZN A 444 1 HET ZN A 445 1 HETNAM ZN ZINC ION FORMUL 2 ZN 2(ZN 2+) FORMUL 4 HOH *328(H2 O) HELIX 1 1 PRO A 24 LYS A 28 5 5 HELIX 2 2 LYS A 55 ASN A 60 5 6 HELIX 3 3 THR A 80 ASN A 100 1 21 HELIX 4 4 ASN A 101 ALA A 114 1 14 HELIX 5 5 PHE A 184 ASP A 188 5 5 HELIX 6 6 ASP A 226 TYR A 243 1 18 HELIX 7 7 SER A 268 GLY A 276 1 9 HELIX 8 8 GLY A 277 ILE A 283 5 7 HELIX 9 9 SER A 284 SER A 307 1 24 HELIX 10 10 ASP A 318 GLN A 331 1 14 HELIX 11 11 ASN A 343 TYR A 356 1 14 HELIX 12 12 THR A 359 ASN A 368 1 10 HELIX 13 13 ILE A 402 ASP A 406 5 5 HELIX 14 14 LYS A 408 ASN A 415 5 8 HELIX 15 15 ASN A 419 PHE A 423 5 5 SHEET 1 A 8 ALA A 147 LEU A 154 0 SHEET 2 A 8 SER A 136 ASP A 143 -1 N GLU A 141 O THR A 149 SHEET 3 A 8 ILE A 19 GLU A 23 -1 N GLU A 23 O ASN A 138 SHEET 4 A 8 TYR A 34 THR A 40 -1 O TYR A 34 N MET A 22 SHEET 5 A 8 ILE A 43 VAL A 46 -1 O ILE A 45 N PHE A 37 SHEET 6 A 8 LEU A 157 PHE A 160 1 O ILE A 159 N VAL A 46 SHEET 7 A 8 MET A 194 ALA A 197 1 O MET A 196 N PHE A 160 SHEET 8 A 8 GLU A 170 GLY A 173 -1 N ARG A 172 O GLN A 195 SHEET 1 B 2 LYS A 127 PHE A 128 0 SHEET 2 B 2 SER A 311 CYS A 312 1 O SER A 311 N PHE A 128 SHEET 1 C 2 LEU A 176 VAL A 178 0 SHEET 2 C 2 LYS A 181 TYR A 183 -1 O TYR A 183 N LEU A 176 SHEET 1 D 3 TYR A 202 VAL A 203 0 SHEET 2 D 3 VAL A 383 LYS A 384 -1 O VAL A 383 N VAL A 203 SHEET 3 D 3 ARG A 424 ASN A 425 -1 O ARG A 424 N LYS A 384 SHEET 1 E 2 THR A 205 PHE A 206 0 SHEET 2 E 2 TYR A 223 PHE A 224 -1 O TYR A 223 N PHE A 206 SHEET 1 F 2 PHE A 332 LYS A 334 0 SHEET 2 F 2 TYR A 340 VAL A 342 -1 O ILE A 341 N ASP A 333 LINK OD1 ASP A 207 ZN ZN A 444 1555 1555 2.63 LINK OD2 ASP A 207 ZN ZN A 444 1555 1555 2.59 LINK NE2 HIS A 233 ZN ZN A 445 1555 1555 2.23 LINK NE2 HIS A 237 ZN ZN A 445 1555 1555 2.29 LINK OE1 GLU A 271 ZN ZN A 445 1555 1555 2.15 LINK OE2 GLU A 271 ZN ZN A 445 1555 1555 2.69 LINK NE2 HIS A 380 ZN ZN A 444 1555 1555 2.54 LINK ZN ZN A 445 O HOH A 469 1555 1555 2.23 SITE 1 AC1 2 ASP A 207 HIS A 380 SITE 1 AC2 4 HIS A 233 HIS A 237 GLU A 271 HOH A 469 CRYST1 105.350 176.860 57.230 90.00 90.00 90.00 C 2 2 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 0.009492 0.000000 0.000000 0.00000 SCALE2 0.000000 0.005654 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017473 0.00000