HEADER TRANSFERASE 14-SEP-20 7D1E TITLE CRYSTAL STRUCTURE OF BACTEROIDES THETAIOTAOMICRON GLUTAMINYL CYCLASE TITLE 2 BOUND TO N-ACETYLHISTAMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: LEUCINE AMINOPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: LUTAMINYL CYCLASE; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACTEROIDES THETAIOTAOMICRON CAG:40; SOURCE 3 ORGANISM_TAXID: 1263054; SOURCE 4 GENE: BN644_01601; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS GLUTAMINYL CYCLASE, METAL BINDING PROTEIN, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR K.-F.HUANG,J.-S.HUANG,M.-L.WU,W.-L.HSIEH,A.H.-J.WANG REVDAT 3 29-NOV-23 7D1E 1 REMARK REVDAT 2 05-MAY-21 7D1E 1 JRNL REVDAT 1 14-APR-21 7D1E 0 JRNL AUTH K.F.HUANG,J.S.HUANG,M.L.WU,W.L.HSIEH,K.C.HSU,H.L.HSU,T.P.KO, JRNL AUTH 2 A.H.WANG JRNL TITL A UNIQUE CARBOXYLIC-ACID HYDROGEN-BOND NETWORK (CAHBN) JRNL TITL 2 CONFERS GLUTAMINYL CYCLASE ACTIVITY ON M28 FAMILY ENZYMES. JRNL REF J.MOL.BIOL. V. 433 66960 2021 JRNL REFN ESSN 1089-8638 JRNL PMID 33774034 JRNL DOI 10.1016/J.JMB.2021.166960 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0135 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.45 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 22212 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) : 0.142 REMARK 3 R VALUE (WORKING SET) : 0.139 REMARK 3 FREE R VALUE : 0.193 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1195 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.90 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1316 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 78.12 REMARK 3 BIN R VALUE (WORKING SET) : 0.1900 REMARK 3 BIN FREE R VALUE SET COUNT : 87 REMARK 3 BIN FREE R VALUE : 0.2450 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2323 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 184 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.48 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.11000 REMARK 3 B22 (A**2) : -0.33000 REMARK 3 B33 (A**2) : 0.22000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.15000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.124 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.088 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.656 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.972 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.950 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2394 ; 0.010 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 2224 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3249 ; 1.410 ; 1.941 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5110 ; 0.948 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 291 ; 5.821 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 122 ;38.860 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 388 ;14.103 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;19.339 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 340 ; 0.090 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2766 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 565 ; 0.001 ; 0.020 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): 4618 ; 1.374 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 67 ;21.800 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 4676 ; 5.661 ; 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 ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7D1E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-SEP-20. REMARK 100 THE DEPOSITION ID IS D_1300018587. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-SEP-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : TPS 05A 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX300HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23903 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 45.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.11700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.66400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 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: 4FUU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M NACL, 0.1 M BIS-TRIS, PH 5.5 AND REMARK 280 25% (W/V) PEG 4000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 38.69050 REMARK 290 SMTRY3 2 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 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 GLY A 23 REMARK 465 GLY A 24 REMARK 465 GLY A 25 REMARK 465 LYS A 26 REMARK 465 ALA A 27 REMARK 465 THR A 28 REMARK 465 GLY A 29 REMARK 465 THR A 30 REMARK 465 ASN A 31 REMARK 465 GLU A 32 REMARK 465 GLN A 33 REMARK 465 SER A 34 REMARK 465 GLU A 35 REMARK 465 LYS A 36 REMARK 465 VAL A 37 REMARK 465 VAL A 38 REMARK 465 VAL A 39 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 HIS A 193 78.43 -119.87 REMARK 500 ALA A 242 52.57 -146.24 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 683 DISTANCE = 5.85 ANGSTROMS REMARK 525 HOH A 684 DISTANCE = 6.80 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 ASP A 149 OD2 REMARK 620 2 ASP A 182 OD1 157.7 REMARK 620 3 ASP A 182 OD2 102.6 55.4 REMARK 620 4 HIS A 302 NE2 102.0 88.4 120.7 REMARK 620 5 AHN A 401 NE2 103.2 91.8 116.4 108.9 REMARK 620 N 1 2 3 4 DBREF 7D1E A 23 331 UNP R7KI85 R7KI85_9BACE 23 331 SEQRES 1 A 309 GLY GLY GLY LYS ALA THR GLY THR ASN GLU GLN SER GLU SEQRES 2 A 309 LYS VAL VAL VAL ASN VAL PRO GLN PHE ASP ALA ASP SER SEQRES 3 A 309 ALA TYR LEU TYR VAL LYS ASN GLN VAL ASP PHE GLY PRO SEQRES 4 A 309 ARG VAL PRO ASN THR LYS GLU HIS VAL ALA CYS GLY ASN SEQRES 5 A 309 TYR LEU ALA GLY LYS LEU GLU ALA PHE GLY ALA LYS VAL SEQRES 6 A 309 THR ASN GLN TYR ALA ASP LEU ILE ALA TYR ASP GLY THR SEQRES 7 A 309 LEU LEU LYS ALA ARG ASN ILE ILE GLY SER TYR LYS PRO SEQRES 8 A 309 GLU SER LYS LYS ARG ILE ALA LEU PHE ALA HIS TRP ASP SEQRES 9 A 309 THR ARG PRO TRP ALA ASP ASN ASP ALA ASP GLU LYS ASN SEQRES 10 A 309 HIS HIS THR PRO ILE LEU GLY ALA ASN ASP GLY ALA SER SEQRES 11 A 309 GLY VAL GLY ALA LEU LEU GLU ILE ALA ARG LEU VAL ASN SEQRES 12 A 309 GLN GLN GLN PRO GLU LEU GLY ILE ASP ILE ILE PHE LEU SEQRES 13 A 309 ASP ALA GLU ASP TYR GLY THR PRO GLN PHE TYR GLU GLY SEQRES 14 A 309 LYS HIS LYS GLU GLU ALA TRP CYS LEU GLY SER GLN TYR SEQRES 15 A 309 TRP SER ARG ASN PRO HIS VAL GLN GLY TYR ASN ALA ARG SEQRES 16 A 309 PHE GLY ILE LEU LEU ASP MET VAL GLY GLY GLU ASN SER SEQRES 17 A 309 VAL PHE LEU LYS GLU GLY TYR SER GLU GLU PHE ALA PRO SEQRES 18 A 309 ASP ILE ASN LYS LYS VAL TRP LYS ALA ALA LYS LYS ALA SEQRES 19 A 309 GLY TYR GLY LYS THR PHE ILE ASP GLU ARG GLY ASP THR SEQRES 20 A 309 ILE THR ASP ASP HIS LEU PHE ILE ASN ARG LEU ALA ARG SEQRES 21 A 309 ILE LYS THR ILE ASP ILE ILE PRO ASN ASP PRO GLU THR SEQRES 22 A 309 GLY PHE PRO PRO THR TRP HIS THR ILE HIS ASP ASN MET SEQRES 23 A 309 ASP HIS ILE ASP LYS ASN THR LEU LYS ALA VAL GLY GLN SEQRES 24 A 309 THR VAL LEU GLU VAL ILE TYR ASN GLU LYS HET ZN A 400 1 HET AHN A 401 11 HETNAM ZN ZINC ION HETNAM AHN N-[2-(1H-IMIDAZOL-4-YL)ETHYL]ACETAMIDE HETSYN AHN N-ACETYLHISTAMINE FORMUL 2 ZN ZN 2+ FORMUL 3 AHN C7 H11 N3 O FORMUL 4 HOH *184(H2 O) HELIX 1 AA1 ASP A 45 ASP A 58 1 14 HELIX 2 AA2 THR A 66 PHE A 83 1 18 HELIX 3 AA3 ASP A 136 HIS A 140 5 5 HELIX 4 AA4 GLY A 150 GLN A 167 1 18 HELIX 5 AA5 LYS A 194 TRP A 198 5 5 HELIX 6 AA6 CYS A 199 ASN A 208 1 10 HELIX 7 AA7 GLU A 235 ALA A 242 1 8 HELIX 8 AA8 ALA A 242 ALA A 256 1 15 HELIX 9 AA9 ASP A 272 LEU A 280 1 9 HELIX 10 AB1 ASN A 307 ILE A 311 5 5 HELIX 11 AB2 ASP A 312 GLU A 330 1 19 SHEET 1 AA1 6 LYS A 86 ILE A 95 0 SHEET 2 AA1 6 LEU A 101 SER A 110 -1 O LEU A 102 N LEU A 94 SHEET 3 AA1 6 GLY A 172 LEU A 178 -1 O PHE A 177 N ILE A 107 SHEET 4 AA1 6 ARG A 118 HIS A 124 1 N LEU A 121 O ASP A 174 SHEET 5 AA1 6 PHE A 218 LEU A 222 1 O ILE A 220 N PHE A 122 SHEET 6 AA1 6 THR A 285 ILE A 288 1 O ILE A 288 N LEU A 221 SHEET 1 AA2 2 PHE A 232 LYS A 234 0 SHEET 2 AA2 2 PHE A 262 ARG A 266 1 O GLU A 265 N LYS A 234 LINK OD2 ASP A 149 ZN ZN A 400 1555 1555 1.91 LINK OD1 ASP A 182 ZN ZN A 400 1555 1555 2.54 LINK OD2 ASP A 182 ZN ZN A 400 1555 1555 1.97 LINK NE2 HIS A 302 ZN ZN A 400 1555 1555 2.06 LINK ZN ZN A 400 NE2 AHN A 401 1555 1555 2.26 CRYST1 41.308 77.381 48.867 90.00 114.54 90.00 P 1 21 1 2 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 0.024208 0.000000 0.011053 0.00000 SCALE2 0.000000 0.012923 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022496 0.00000