HEADER HYDROLASE 11-FEB-95 1CTU TITLE TRANSITION-STATE SELECTIVITY FOR A SINGLE OH GROUP DURING CATALYSIS BY TITLE 2 CYTIDINE DEAMINASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTIDINE DEAMINASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.4.5; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562 KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.XIANG,S.A.SHORT,R.WOLFENDEN,C.W.CARTER REVDAT 7 07-FEB-24 1CTU 1 REMARK LINK REVDAT 6 14-AUG-19 1CTU 1 REMARK REVDAT 5 17-JUL-19 1CTU 1 REMARK REVDAT 4 13-JUL-11 1CTU 1 VERSN REVDAT 3 24-FEB-09 1CTU 1 VERSN REVDAT 2 01-APR-03 1CTU 1 JRNL REVDAT 1 08-MAY-95 1CTU 0 JRNL AUTH S.XIANG,S.A.SHORT,R.WOLFENDEN,C.W.CARTER JR. JRNL TITL TRANSITION-STATE SELECTIVITY FOR A SINGLE HYDROXYL GROUP JRNL TITL 2 DURING CATALYSIS BY CYTIDINE DEAMINASE. JRNL REF BIOCHEMISTRY V. 34 4516 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7718553 JRNL DOI 10.1021/BI00014A003 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT 5A REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 24112 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.190 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2220 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 48 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : NULL ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : 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 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CTU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172530. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25451 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.0 REMARK 200 DATA REDUNDANCY : 3.000 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 76.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 26.13333 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 52.26667 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 52.26667 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 26.13333 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: SYMMETRY REMARK 300 THE CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS PRESENTED REMARK 300 BELOW GENERATE THE SUBUNITS OF THE POLYMERIC MOLECULE. REMARK 300 REMARK 300 APPLIED TO RESIDUES: 1 .. 616 REMARK 300 REMARK 300 SYMMETRY1 1 0.000000 1.000000 0.000000 0.00000 REMARK 300 SYMMETRY2 1 1.000000 0.000000 0.000000 0.00000 REMARK 300 SYMMETRY3 1 0.000000 0.000000 -1.000000 0.00000 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5300 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -102.0 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 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 36 CD GLU A 36 OE2 0.075 REMARK 500 GLU A 91 CD GLU A 91 OE2 0.067 REMARK 500 GLU A 153 CD GLU A 153 OE1 0.076 REMARK 500 GLU A 179 CD GLU A 179 OE1 0.068 REMARK 500 GLU A 216 CD GLU A 216 OE2 0.070 REMARK 500 GLU A 264 CD GLU A 264 OE2 0.069 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 14 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP A 14 CB - CG - OD2 ANGL. DEV. = -6.2 DEGREES REMARK 500 GLY A 46 C - N - CA ANGL. DEV. = -17.6 DEGREES REMARK 500 ASP A 50 CB - CG - OD1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ASP A 50 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ARG A 65 NE - CZ - NH1 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG A 133 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 133 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ASP A 181 CB - CG - OD1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ASP A 181 CB - CG - OD2 ANGL. DEV. = -9.3 DEGREES REMARK 500 ASP A 189 CB - CG - OD1 ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP A 189 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP A 219 CB - CG - OD1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ASP A 219 CB - CG - OD2 ANGL. DEV. = -8.3 DEGREES REMARK 500 ARG A 259 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 ASP A 289 CB - CG - OD1 ANGL. DEV. = -5.5 DEGREES REMARK 500 ARG A 290 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 290 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES 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 GLU A 21 -33.64 -38.20 REMARK 500 LEU A 68 -72.71 -87.28 REMARK 500 ALA A 95 -142.47 -110.56 REMARK 500 MET A 177 -4.70 94.46 REMARK 500 ASP A 181 98.14 -166.06 REMARK 500 MET A 204 47.67 -150.43 REMARK 500 ASP A 219 8.67 -63.93 REMARK 500 PHE A 233 -73.32 65.74 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 296 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 102 ND1 REMARK 620 2 CYS A 129 SG 104.2 REMARK 620 3 CYS A 132 SG 107.5 109.4 REMARK 620 4 ZEB A 295 O4 131.3 92.3 109.4 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: A1 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE IN WHICH A ZINC IS COORDINATED IN REMARK 800 A TETRAHEDRAL LIGAND FIELD REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 296 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZEB A 295 DBREF 1CTU A 1 294 UNP P0ABF6 CDD_ECOLI 1 294 SEQRES 1 A 294 MET HIS PRO ARG PHE GLN THR ALA PHE ALA GLN LEU ALA SEQRES 2 A 294 ASP ASN LEU GLN SER ALA LEU GLU PRO ILE LEU ALA ASP SEQRES 3 A 294 LYS TYR PHE PRO ALA LEU LEU THR GLY GLU GLN VAL SER SEQRES 4 A 294 SER LEU LYS SER ALA THR GLY LEU ASP GLU ASP ALA LEU SEQRES 5 A 294 ALA PHE ALA LEU LEU PRO LEU ALA ALA ALA CYS ALA ARG SEQRES 6 A 294 THR PRO LEU SER ASN PHE ASN VAL GLY ALA ILE ALA ARG SEQRES 7 A 294 GLY VAL SER GLY THR TRP TYR PHE GLY ALA ASN MET GLU SEQRES 8 A 294 PHE ILE GLY ALA THR MET GLN GLN THR VAL HIS ALA GLU SEQRES 9 A 294 GLN SER ALA ILE SER HIS ALA TRP LEU SER GLY GLU LYS SEQRES 10 A 294 ALA LEU ALA ALA ILE THR VAL ASN TYR THR PRO CYS GLY SEQRES 11 A 294 HIS CYS ARG GLN PHE MET ASN GLU LEU ASN SER GLY LEU SEQRES 12 A 294 ASP LEU ARG ILE HIS LEU PRO GLY ARG GLU ALA HIS ALA SEQRES 13 A 294 LEU ARG ASP TYR LEU PRO ASP ALA PHE GLY PRO LYS ASP SEQRES 14 A 294 LEU GLU ILE LYS THR LEU LEU MET ASP GLU GLN ASP HIS SEQRES 15 A 294 GLY TYR ALA LEU THR GLY ASP ALA LEU SER GLN ALA ALA SEQRES 16 A 294 ILE ALA ALA ALA ASN ARG SER HIS MET PRO TYR SER LYS SEQRES 17 A 294 SER PRO SER GLY VAL ALA LEU GLU CYS LYS ASP GLY ARG SEQRES 18 A 294 ILE PHE SER GLY SER TYR ALA GLU ASN ALA ALA PHE ASN SEQRES 19 A 294 PRO THR LEU PRO PRO LEU GLN GLY ALA LEU ILE LEU LEU SEQRES 20 A 294 ASN LEU LYS GLY TYR ASP TYR PRO ASP ILE GLN ARG ALA SEQRES 21 A 294 VAL LEU ALA GLU LYS ALA ASP ALA PRO LEU ILE GLN TRP SEQRES 22 A 294 ASP ALA THR SER ALA THR LEU LYS ALA LEU GLY CYS HIS SEQRES 23 A 294 SER ILE ASP ARG VAL LEU LEU ALA HET ZN A 296 1 HET ZEB A 295 17 HETNAM ZN ZINC ION HETNAM ZEB 4-HYDROXY-3,4-DIHYDRO-ZEBULARINE FORMUL 2 ZN ZN 2+ FORMUL 3 ZEB C9 H14 N2 O6 FORMUL 4 HOH *48(H2 O) HELIX 1 1 PRO A 3 GLN A 11 5 9 HELIX 2 2 ASP A 14 GLU A 21 1 8 HELIX 3 3 GLY A 35 ALA A 44 1 10 HELIX 4 4 GLU A 49 CYS A 63 1 15 HELIX 5 5 MET A 97 GLN A 99 5 3 HELIX 6 6 ALA A 103 LEU A 113 1 11 HELIX 7 7 GLY A 130 GLU A 138 1 9 HELIX 8 8 GLY A 142 ASP A 144 5 3 HELIX 9 9 LEU A 157 TYR A 160 1 4 HELIX 10 10 PRO A 167 LEU A 170 5 4 HELIX 11 11 ALA A 190 ARG A 201 1 12 HELIX 12 12 PRO A 239 LEU A 249 1 11 HELIX 13 13 TYR A 254 ASP A 256 5 3 HELIX 14 14 TRP A 273 ALA A 282 1 10 SHEET 1 A 4 TRP A 84 ALA A 88 0 SHEET 2 A 4 GLY A 74 GLY A 79 -1 N ALA A 77 O TYR A 85 SHEET 3 A 4 LEU A 119 VAL A 124 -1 N THR A 123 O ILE A 76 SHEET 4 A 4 ARG A 146 LEU A 149 1 N ARG A 146 O ILE A 122 SHEET 1 B 4 ILE A 222 SER A 226 0 SHEET 2 B 4 SER A 211 CYS A 217 -1 N LEU A 215 O PHE A 223 SHEET 3 B 4 ILE A 257 GLU A 264 -1 N ALA A 263 O GLY A 212 SHEET 4 B 4 ILE A 288 LEU A 292 1 N ASP A 289 O ALA A 260 LINK ND1 HIS A 102 ZN ZN A 296 1555 1555 2.03 LINK SG CYS A 129 ZN ZN A 296 1555 1555 2.34 LINK SG CYS A 132 ZN ZN A 296 1555 1555 2.20 LINK O4 ZEB A 295 ZN ZN A 296 1555 1555 1.95 SITE 1 A1 4 HIS A 102 GLU A 104 CYS A 129 CYS A 132 SITE 1 AC1 5 HIS A 102 GLU A 104 CYS A 129 CYS A 132 SITE 2 AC1 5 ZEB A 295 SITE 1 AC2 13 ASN A 89 GLU A 91 THR A 100 VAL A 101 SITE 2 AC2 13 HIS A 102 ALA A 103 GLU A 104 PRO A 128 SITE 3 AC2 13 CYS A 129 CYS A 132 ALA A 231 PHE A 233 SITE 4 AC2 13 ZN A 296 CRYST1 120.300 120.300 78.400 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 0.008313 0.004799 0.000000 0.00000 SCALE2 0.000000 0.009599 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012755 0.00000