HEADER TOXIN 17-JUL-07 2QN0 TITLE STRUCTURE OF BOTULINUM NEUROTOXIN SEROTYPE C1 LIGHT CHAIN PROTEASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEUROTOXIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGHT CHAIN (RESIDUES:1-427); COMPND 5 SYNONYM: TYPE C NEUROTOXIN; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM BOTULINUM; SOURCE 3 ORGANISM_TAXID: 1491; SOURCE 4 GENE: BONT/C; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: M15 PREP4; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PQE KEYWDS BOTULISM, SNARES, PROTEASE, NEUROTOXIN, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR R.JIN,S.SIKORRA,C.M.STEGMANN,A.PICH,T.BINZ,A.T.BRUNGER REVDAT 4 30-AUG-23 2QN0 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 2QN0 1 VERSN REVDAT 2 29-JAN-08 2QN0 1 JRNL REVDAT 1 11-SEP-07 2QN0 0 JRNL AUTH R.JIN,S.SIKORRA,C.M.STEGMANN,A.PICH,T.BINZ,A.T.BRUNGER JRNL TITL STRUCTURAL AND BIOCHEMICAL STUDIES OF BOTULINUM NEUROTOXIN JRNL TITL 2 SEROTYPE C1 LIGHT CHAIN PROTEASE: IMPLICATIONS FOR DUAL JRNL TITL 3 SUBSTRATE SPECIFICITY. JRNL REF BIOCHEMISTRY V. 46 10685 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17718519 JRNL DOI 10.1021/BI701162D REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 98679.040 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.6 REMARK 3 NUMBER OF REFLECTIONS : 84362 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) : 0.188 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 8463 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.002 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) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 55.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 7807 REMARK 3 BIN R VALUE (WORKING SET) : 0.2870 REMARK 3 BIN FREE R VALUE : 0.2900 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 825 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3473 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 613 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.56000 REMARK 3 B22 (A**2) : 1.56000 REMARK 3 B33 (A**2) : -3.13000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.19 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) : 0.22 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.19 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.790 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) : 1.430 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.240 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.030 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.120 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 63.61 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: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 2QN0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JUL-07. REMARK 100 THE DEPOSITION ID IS D_1000043802. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-APR-06 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 : 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) : 1.192 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 86796 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.4 REMARK 200 DATA REDUNDANCY : 7.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 55.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 55.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.39900 REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2FPQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 73.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6 M SODIUM FORMATE AND 0.1 M SODIUM REMARK 280 CITRATE, PH 4.6-5.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277K 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 46.79667 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 93.59333 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 93.59333 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 46.79667 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 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 937 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 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 O HOH A 432 O HOH A 936 2.16 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 LYS A 17 -62.45 -137.83 REMARK 500 THR A 40 141.76 -173.44 REMARK 500 PRO A 47 45.55 -69.61 REMARK 500 ARG A 63 -160.74 -75.58 REMARK 500 SER A 66 -174.77 -57.57 REMARK 500 ASP A 132 -112.27 47.93 REMARK 500 ARG A 162 -149.87 -89.45 REMARK 500 PHE A 214 -146.59 -118.78 REMARK 500 ASN A 255 -166.56 -70.95 REMARK 500 PHE A 257 -70.92 -133.12 REMARK 500 GLN A 260 114.53 -36.48 REMARK 500 TYR A 380 -158.05 -121.27 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 431 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 229 NE2 REMARK 620 2 HIS A 233 NE2 108.3 REMARK 620 3 GLU A 269 OE1 96.8 106.3 REMARK 620 4 GLU A 269 OE2 146.5 93.7 52.0 REMARK 620 5 HOH A 729 O 108.1 109.6 126.2 86.7 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 431 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1XTF RELATED DB: PDB REMARK 900 NEUROTOXIN BONT/A E224Q Y366F MUTANT REMARK 900 RELATED ID: 2FPQ RELATED DB: PDB REMARK 900 BOTULINUM NEUROTOXIN TYPE D LIGHT CHAIN DBREF 2QN0 A 1 427 UNP Q93HT3 Q93HT3_CLOBO 1 427 SEQADV 2QN0 PRO A 428 UNP Q93HT3 EXPRESSION TAG SEQADV 2QN0 LEU A 429 UNP Q93HT3 EXPRESSION TAG SEQADV 2QN0 VAL A 430 UNP Q93HT3 EXPRESSION TAG SEQRES 1 A 430 MET PRO ILE THR ILE ASN ASN PHE ASN TYR SER ASP PRO SEQRES 2 A 430 VAL ASP ASN LYS ASN ILE LEU TYR LEU ASP THR HIS LEU SEQRES 3 A 430 ASN THR LEU ALA ASN GLU PRO GLU LYS ALA PHE ARG ILE SEQRES 4 A 430 THR GLY ASN ILE TRP VAL ILE PRO ASP ARG PHE SER ARG SEQRES 5 A 430 ASN SER ASN PRO ASN LEU ASN LYS PRO PRO ARG VAL THR SEQRES 6 A 430 SER PRO LYS SER GLY TYR TYR ASP PRO ASN TYR LEU SER SEQRES 7 A 430 THR ASP SER ASP LYS ASP THR PHE LEU LYS GLU ILE ILE SEQRES 8 A 430 LYS LEU PHE LYS ARG ILE ASN SER ARG GLU ILE GLY GLU SEQRES 9 A 430 GLU LEU ILE TYR ARG LEU SER THR ASP ILE PRO PHE PRO SEQRES 10 A 430 GLY ASN ASN ASN THR PRO ILE ASN THR PHE ASP PHE ASP SEQRES 11 A 430 VAL ASP PHE ASN SER VAL ASP VAL LYS THR ARG GLN GLY SEQRES 12 A 430 ASN ASN TRP VAL LYS THR GLY SER ILE ASN PRO SER VAL SEQRES 13 A 430 ILE ILE THR GLY PRO ARG GLU ASN ILE ILE ASP PRO GLU SEQRES 14 A 430 THR SER THR PHE LYS LEU THR ASN ASN THR PHE ALA ALA SEQRES 15 A 430 GLN GLU GLY PHE GLY ALA LEU SER ILE ILE SER ILE SER SEQRES 16 A 430 PRO ARG PHE MET LEU THR TYR SER ASN ALA THR ASN ASP SEQRES 17 A 430 VAL GLY GLU GLY ARG PHE SER LYS SER GLU PHE CYS MET SEQRES 18 A 430 ASP PRO ILE LEU ILE LEU MET HIS GLU LEU ASN HIS ALA SEQRES 19 A 430 MET HIS ASN LEU TYR GLY ILE ALA ILE PRO ASN ASP GLN SEQRES 20 A 430 THR ILE SER SER VAL THR SER ASN ILE PHE TYR SER GLN SEQRES 21 A 430 TYR ASN VAL LYS LEU GLU TYR ALA GLU ILE TYR ALA PHE SEQRES 22 A 430 GLY GLY PRO THR ILE ASP LEU ILE PRO LYS SER ALA ARG SEQRES 23 A 430 LYS TYR PHE GLU GLU LYS ALA LEU ASP TYR TYR ARG SER SEQRES 24 A 430 ILE ALA LYS ARG LEU ASN SER ILE THR THR ALA ASN PRO SEQRES 25 A 430 SER SER PHE ASN LYS TYR ILE GLY GLU TYR LYS GLN LYS SEQRES 26 A 430 LEU ILE ARG LYS TYR ARG PHE VAL VAL GLU SER SER GLY SEQRES 27 A 430 GLU VAL THR VAL ASN ARG ASN LYS PHE VAL GLU LEU TYR SEQRES 28 A 430 ASN GLU LEU THR GLN ILE PHE THR GLU PHE ASN TYR ALA SEQRES 29 A 430 LYS ILE TYR ASN VAL GLN ASN ARG LYS ILE TYR LEU SER SEQRES 30 A 430 ASN VAL TYR THR PRO VAL THR ALA ASN ILE LEU ASP ASP SEQRES 31 A 430 ASN VAL TYR ASP ILE GLN ASN GLY PHE ASN ILE PRO LYS SEQRES 32 A 430 SER ASN LEU ASN VAL LEU PHE MET GLY GLN ASN LEU SER SEQRES 33 A 430 ARG ASN PRO ALA LEU ARG LYS VAL ASN PRO GLU PRO LEU SEQRES 34 A 430 VAL HET ZN A 431 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *613(H2 O) HELIX 1 1 THR A 79 ASN A 98 1 20 HELIX 2 2 ARG A 100 ASP A 113 1 14 HELIX 3 3 PHE A 180 GLU A 184 5 5 HELIX 4 4 ASP A 222 TYR A 239 1 18 HELIX 5 5 TYR A 267 GLY A 274 1 8 HELIX 6 6 GLY A 275 ILE A 281 5 7 HELIX 7 7 PRO A 282 ASN A 305 1 24 HELIX 8 8 PRO A 312 LYS A 317 5 6 HELIX 9 9 TYR A 318 ARG A 331 1 14 HELIX 10 10 ASN A 343 ILE A 357 1 15 HELIX 11 11 THR A 359 TYR A 367 1 9 HELIX 12 12 ILE A 401 ASN A 405 5 5 HELIX 13 13 PHE A 410 ASN A 414 5 5 SHEET 1 A 8 TRP A 146 ILE A 152 0 SHEET 2 A 8 VAL A 136 ARG A 141 -1 N VAL A 138 O GLY A 150 SHEET 3 A 8 ILE A 19 ASP A 23 -1 N TYR A 21 O LYS A 139 SHEET 4 A 8 GLU A 34 THR A 40 -1 O ALA A 36 N LEU A 20 SHEET 5 A 8 ILE A 43 ILE A 46 -1 O VAL A 45 N PHE A 37 SHEET 6 A 8 VAL A 156 THR A 159 1 O ILE A 158 N TRP A 44 SHEET 7 A 8 SER A 190 SER A 193 1 O ILE A 192 N THR A 159 SHEET 8 A 8 GLU A 169 SER A 171 -1 N GLU A 169 O SER A 193 SHEET 1 B 2 THR A 126 ASP A 128 0 SHEET 2 B 2 THR A 309 ASN A 311 1 O ASN A 311 N PHE A 127 SHEET 1 C 2 THR A 201 TYR A 202 0 SHEET 2 C 2 PHE A 219 CYS A 220 -1 O PHE A 219 N TYR A 202 SHEET 1 D 2 THR A 248 THR A 253 0 SHEET 2 D 2 TYR A 261 GLU A 266 -1 O VAL A 263 N SER A 251 SHEET 1 E 2 VAL A 333 VAL A 334 0 SHEET 2 E 2 VAL A 340 THR A 341 -1 O THR A 341 N VAL A 333 SHEET 1 F 2 VAL A 383 THR A 384 0 SHEET 2 F 2 ARG A 422 LYS A 423 -1 O ARG A 422 N THR A 384 LINK NE2 HIS A 229 ZN ZN A 431 1555 1555 2.10 LINK NE2 HIS A 233 ZN ZN A 431 1555 1555 2.08 LINK OE1 GLU A 269 ZN ZN A 431 1555 1555 2.07 LINK OE2 GLU A 269 ZN ZN A 431 1555 1555 2.74 LINK ZN ZN A 431 O HOH A 729 1555 1555 2.08 CISPEP 1 SER A 66 PRO A 67 0 -0.16 CISPEP 2 ASN A 311 PRO A 312 0 -0.19 SITE 1 AC1 4 HIS A 229 HIS A 233 GLU A 269 HOH A 729 CRYST1 107.010 107.010 140.390 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 0.009345 0.005395 0.000000 0.00000 SCALE2 0.000000 0.010791 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007123 0.00000