HEADER TRANSFERASE 30-AUG-13 4MHN TITLE CRYSTAL STRUCTURE OF A GLUTAMINYL CYCLASE FROM IXODES SCAPULARIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMINYL CYCLASE, PUTATIVE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, UNP RESIDUES 28-353; COMPND 5 EC: 2.3.2.5; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: IXODES SCAPULARIS; SOURCE 3 ORGANISM_COMMON: BLACKLEGGED TICK,DEER TICK,SHOULDER TICK; SOURCE 4 ORGANISM_TAXID: 6945; SOURCE 5 GENE: ISCW_ISCW023264; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) CODONPLUS-RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET32A KEYWDS ALPHA/BETA-MIXED FOLD, GLUTAMINYL CYCLASE, SECRETED PROTEIN, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR K.F.HUANG,H.L.HSU,A.H.J.WANG REVDAT 2 11-MAR-15 4MHN 1 JRNL REVDAT 1 12-MAR-14 4MHN 0 JRNL AUTH K.F.HUANG,H.L.HSU,S.KARIM,A.H.WANG JRNL TITL STRUCTURAL AND FUNCTIONAL ANALYSES OF A GLUTAMINYL CYCLASE JRNL TITL 2 FROM IXODES SCAPULARIS REVEAL METAL-INDEPENDENT CATALYSIS JRNL TITL 3 AND INHIBITOR BINDING. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 70 789 2014 JRNL REFN ISSN 0907-4449 JRNL PMID 24598748 JRNL DOI 10.1107/S1399004713033488 REMARK 2 REMARK 2 RESOLUTION. 1.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 106723 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) : 0.163 REMARK 3 R VALUE (WORKING SET) : 0.162 REMARK 3 FREE R VALUE : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 5632 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.15 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.18 REMARK 3 REFLECTION IN BIN (WORKING SET) : 7343 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.75 REMARK 3 BIN R VALUE (WORKING SET) : 0.2520 REMARK 3 BIN FREE R VALUE SET COUNT : 390 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2665 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 381 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.48 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.02000 REMARK 3 B22 (A**2) : 0.17000 REMARK 3 B33 (A**2) : -0.19000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.037 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.036 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.022 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.017 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.970 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.963 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2733 ; 0.005 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3706 ; 1.125 ; 1.948 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 325 ; 5.114 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 147 ;36.312 ;23.197 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 463 ;11.999 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 27 ;12.622 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 397 ; 0.076 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2130 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2733 ; 0.864 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 86 ;34.421 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 2961 ; 8.650 ; 5.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 4MHN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 12-SEP-13. REMARK 100 THE RCSB ID CODE IS RCSB081922. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-OCT-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL13C1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 112442 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.150 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 7.100 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 43.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.19 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 5.80 REMARK 200 R MERGE FOR SHELL (I) : 0.79700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.600 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: PDB ENTRY 2AFM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% (W/V) PEG 8000, 8% (V/V) ETHYLENE REMARK 280 GLYCOL, 0.1M HEPES, PH 7.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 27.63900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.03800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.68950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.03800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.63900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.68950 REMARK 290 SMTRY3 4 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 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: PISA 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 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 ARG A 67 59.59 -145.33 REMARK 500 GLU A 187 -133.26 -129.13 REMARK 500 ASP A 193 76.67 -119.64 REMARK 500 SER A 194 161.62 169.35 REMARK 500 ASN A 284 50.11 -140.49 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 729 DISTANCE = 5.71 ANGSTROMS 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 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 184 OE2 REMARK 620 2 HOH A 827 O 117.5 REMARK 620 3 HIS A 322 NE2 113.9 104.9 REMARK 620 4 ASP A 144 OD2 117.6 97.7 103.0 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 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4MHP RELATED DB: PDB REMARK 900 APO-FORM OF THE SAME PROTEIN REMARK 900 RELATED ID: 4MHY RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH BOUND ZINC AND PBD150 REMARK 900 RELATED ID: 4MHZ RELATED DB: PDB DBREF 4MHN A 28 353 UNP B7QK46 B7QK46_IXOSC 28 353 SEQRES 1 A 326 LEU LYS TRP PRO ARG ASP LEU ARG PRO LEU ALA HIS HIS SEQRES 2 A 326 ASP LEU LEU TYR MET GLY GLN ILE SER GLU GLU ASP ARG SEQRES 3 A 326 GLY ASP PHE ASN ALA THR LEU ARG ASN PHE LEU VAL PRO SEQRES 4 A 326 ARG VAL VAL GLY SER GLN LYS HIS ARG GLU VAL ARG GLU SEQRES 5 A 326 PHE ILE VAL ARG SER LEU LYS ASP LEU ASP TRP ASP VAL SEQRES 6 A 326 GLU GLU ASP CYS PHE ASP GLY GLN THR PRO HIS GLY ILE SEQRES 7 A 326 LYS PRO PHE CYS ASN VAL ILE ALA THR LEU ASN PRO SER SEQRES 8 A 326 ALA CYS HIS ARG LEU VAL LEU ALA CYS HIS TYR ASP SER SEQRES 9 A 326 LEU LEU HIS LYS GLU GLY THR PHE ILE GLY ALA THR ASP SEQRES 10 A 326 SER ALA VAL PRO CYS ALA GLN LEU LEU TYR LEU ALA ARG SEQRES 11 A 326 SER LEU ASN GLY LYS LEU GLN ASN GLN LYS THR ARG GLY SEQRES 12 A 326 ASP GLY LEU THR LEU GLN LEU VAL PHE PHE ASP GLY GLU SEQRES 13 A 326 GLU ALA PHE GLU ARG TRP SER SER HIS ASP SER LEU TYR SEQRES 14 A 326 GLY SER ARG HIS LEU ALA GLN LYS TRP HIS GLU ASP ARG SEQRES 15 A 326 THR SER ALA GLU ARG LEU GLU SER CYS LEU GLU ARG SER SEQRES 16 A 326 GLU ILE ALA ASN GLN ILE ASP ARG MET GLU VAL MET VAL SEQRES 17 A 326 LEU LEU ASP LEU LEU GLY ALA GLU ASN PRO ARG PHE TYR SEQRES 18 A 326 SER TYR PHE GLY GLU THR GLN PRO VAL TYR ARG ARG LEU SEQRES 19 A 326 VAL ASN ILE GLU SER ARG LEU ASN ASP ALA GLY LEU MET SEQRES 20 A 326 GLU LEU PRO ARG ARG ARG ARG ARG THR ASN TYR PHE SER SEQRES 21 A 326 ASN SER SER THR VAL GLY PHE ILE GLU ASP ASP HIS ILE SEQRES 22 A 326 PRO PHE LEU LYS ARG SER VAL PRO ILE VAL HIS ILE ILE SEQRES 23 A 326 PRO SER PRO PHE PRO ASP VAL TRP HIS THR LEU ASP ASP SEQRES 24 A 326 ASN GLU GLN ASN LEU HIS HIS PRO THR ILE SER ASN LEU SEQRES 25 A 326 ASN LYS ILE PHE LYS ALA PHE VAL SER GLU TYR LEU GLN SEQRES 26 A 326 LEU HET ZN A 400 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *381(H2 O) HELIX 1 1 ALA A 38 GLY A 46 1 9 HELIX 2 2 SER A 49 ASN A 62 1 14 HELIX 3 3 SER A 71 ASP A 87 1 17 HELIX 4 4 SER A 145 LEU A 159 1 15 HELIX 5 5 LEU A 159 THR A 168 1 10 HELIX 6 6 LEU A 195 ASP A 208 1 14 HELIX 7 7 SER A 211 LEU A 215 5 5 HELIX 8 8 ASN A 226 ASP A 229 5 4 HELIX 9 9 PHE A 251 GLU A 253 5 3 HELIX 10 10 THR A 254 ALA A 271 1 18 HELIX 11 11 HIS A 299 LYS A 304 1 6 HELIX 12 12 ASN A 327 LEU A 331 5 5 HELIX 13 13 HIS A 332 GLN A 352 1 21 SHEET 1 A 6 ASP A 91 THR A 101 0 SHEET 2 A 6 GLY A 104 THR A 114 -1 O THR A 114 N ASP A 91 SHEET 3 A 6 LEU A 173 PHE A 180 -1 O LEU A 177 N ALA A 113 SHEET 4 A 6 HIS A 121 HIS A 128 1 N CYS A 127 O PHE A 180 SHEET 5 A 6 MET A 231 LEU A 237 1 O VAL A 235 N VAL A 124 SHEET 6 A 6 ILE A 309 ILE A 312 1 O VAL A 310 N MET A 234 SHEET 1 B 2 PHE A 247 SER A 249 0 SHEET 2 B 2 PHE A 286 SER A 290 1 O SER A 289 N SER A 249 SSBOND 1 CYS A 96 CYS A 109 1555 1555 2.05 SSBOND 2 CYS A 120 CYS A 218 1555 1555 2.04 LINK OE2 GLU A 184 ZN ZN A 400 1555 1555 1.84 LINK ZN ZN A 400 O HOH A 827 1555 1555 1.91 LINK NE2 HIS A 322 ZN ZN A 400 1555 1555 1.98 LINK OD2 ASP A 144 ZN ZN A 400 1555 1555 2.03 CISPEP 1 ASP A 144 SER A 145 0 -1.31 CISPEP 2 SER A 315 PRO A 316 0 4.91 SITE 1 AC1 4 ASP A 144 GLU A 184 HIS A 322 HOH A 827 CRYST1 55.278 71.379 80.076 90.00 90.00 90.00 P 21 21 21 4 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 0.018090 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014010 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012488 0.00000 MASTER 296 0 1 13 8 0 1 6 0 0 0 26 END