HEADER HORMONE 17-NOV-09 3KQ6 TITLE ENHANCING THE THERAPEUTIC PROPERTIES OF A PROTEIN BY A DESIGNED ZINC- TITLE 2 BINDING SITE, STRUCTURAL PRINCIPLES OF A NOVEL LONG-ACTING INSULIN TITLE 3 ANALOG COMPND MOL_ID: 1; COMPND 2 MOLECULE: INSULIN A CHAIN; COMPND 3 CHAIN: A, C; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: INSULIN B CHAIN; COMPND 8 CHAIN: B, D; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 4 ORGANISM_COMMON: HUMAN; SOURCE 5 ORGANISM_TAXID: 9606; SOURCE 6 OTHER_DETAILS: BIOSYNTHETIC PEPTIDE; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 OTHER_DETAILS: BIOSYNTHETIC PEPTIDE KEYWDS ZINC-BINDING SITE, LONG-ACTING INSULIN ANALOG, RECEPTOR BINDING, KEYWDS 2 CARBOHYDRATE METABOLISM, CLEAVAGE ON PAIR OF BASIC RESIDUES, KEYWDS 3 DIABETES MELLITUS, DISEASE MUTATION, DISULFIDE BOND, GLUCOSE KEYWDS 4 METABOLISM, HORMONE, PHARMACEUTICAL, SECRETED EXPDTA X-RAY DIFFRACTION AUTHOR Z.L.WAN,S.Q.HU,L.WHITTAKER,N.B.PHILLIPS,J.WHITTAKE,F.ISMAIL-BEIGI, AUTHOR 2 M.A.WEISS REVDAT 5 06-SEP-23 3KQ6 1 REMARK REVDAT 4 13-OCT-21 3KQ6 1 REMARK SEQADV LINK REVDAT 3 28-APR-10 3KQ6 1 JRNL REVDAT 2 16-MAR-10 3KQ6 1 JRNL REVDAT 1 23-FEB-10 3KQ6 0 JRNL AUTH N.B.PHILLIPS,Z.L.WAN,L.WHITTAKER,S.Q.HU,K.HUANG,Q.X.HUA, JRNL AUTH 2 J.WHITTAKER,F.ISMAIL-BEIGI,M.A.WEISS JRNL TITL SUPRAMOLECULAR PROTEIN ENGINEERING: DESIGN OF ZINC-STAPLED JRNL TITL 2 INSULIN HEXAMERS AS A LONG ACTING DEPOT. JRNL REF J.BIOL.CHEM. V. 285 11755 2010 JRNL REFN ISSN 0021-9258 JRNL PMID 20181952 JRNL DOI 10.1074/JBC.C110.105825 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Z.L.WAN,B.XU,Y.C.CHU,B.LI,S.H.NAKAGAWA,Y.QU,S.Q.HU, REMARK 1 AUTH 2 P.G.KATSOYANNIS,M.A.WEISS REMARK 1 TITL ENHANCING THE ACTIVITY OF INSULIN AT THE RECEPTOR INTERFACE: REMARK 1 TITL 2 CRYSTAL STRUCTURE AND PHOTO-CROSS-LINKING OF A8 ANALOGUES. REMARK 1 REF BIOCHEMISTRY V. 43 16119 2004 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH E.N.BAKER,T.L.BLUNDELL,J.F.CUTFIELD,S.M.CUTFIELD,E.J.DODSON, REMARK 1 AUTH 2 G.G.DODSON,D.HODGKIN,N.W.ISAACS,C.D.REYNOLDS REMARK 1 TITL THE STRUCTURE OF 2ZN PIG INSULIN CRYSTAL AT 1.5 A RESOLUTION REMARK 1 REF PHILOS.TRANS.R.SOC.LONDON, V. 319 369 1988 REMARK 1 REF 2 SER.B REMARK 1 REFN ISSN 0080-4622 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.BENTLEY,E.DODSON,G.DODSON,D.HODGKIN,D.MERCOLA REMARK 1 TITL STRUCTURE OF INSULIN IN 4-ZINC INSULIN REMARK 1 REF NATURE V. 261 166 1976 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 4 REMARK 1 AUTH U.DEREWENDA,Z.DEREWENDA,E.DODSON,G.DODSON,C.REYNOLD,G.SMITH, REMARK 1 AUTH 2 C.SPARKS,D.SWENSON REMARK 1 TITL PHENOL STABILIZES MORE HELIX IN A NEW SYMMETRICAL ZINC REMARK 1 TITL 2 INSULIN HEXAMER REMARK 1 REF NATURE V. 338 594 1989 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.05 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 6475 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) : 0.199 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 708 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2690 REMARK 3 BIN FREE R VALUE : 0.3400 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 124 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.035 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 818 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 82 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.84000 REMARK 3 B22 (A**2) : -28.40000 REMARK 3 B33 (A**2) : 5.68000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.23 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 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) : 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 3KQ6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JAN-10. REMARK 100 THE DEPOSITION ID IS D_1000056308. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-NOV-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000,1.2398 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : DOUBLE CRYSTAL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NOIR-1 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6488 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 32.050 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.490 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.43 REMARK 200 R MERGE FOR SHELL (I) : 0.42200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1RWE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 32.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.02 M TRIS, 0.05 M SODIUM CITRATE, 5% REMARK 280 ACETONE, 0.03% PHENOL, 0.01% ZINC ACETATE, PH 8.0, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 39.04550 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.54293 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 12.13300 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 39.04550 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 22.54293 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 12.13300 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 39.04550 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 22.54293 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 12.13300 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 45.08586 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 24.26600 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 45.08586 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 24.26600 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 45.08586 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 24.26600 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: DODECAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 19420 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13160 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -383.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 78.09100 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 350 BIOMT1 3 -0.500000 0.866025 0.000000 39.04550 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 67.62879 REMARK 350 BIOMT3 3 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 ZN ZN B 101 LIES ON A SPECIAL POSITION. REMARK 375 ZN ZN D 201 LIES ON A SPECIAL POSITION. REMARK 375 CL CL D 202 LIES ON A SPECIAL POSITION. REMARK 375 HOH D 33 LIES ON A SPECIAL POSITION. REMARK 375 HOH D 34 LIES ON A SPECIAL POSITION. REMARK 375 HOH D 35 LIES ON A SPECIAL POSITION. 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 4 ND1 REMARK 620 2 HIS A 8 ND1 104.7 REMARK 620 N 1 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPH C 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL D 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1RWE RELATED DB: PDB REMARK 900 TR STATE INSULIN CRYSTAL STRUCTURE DBREF 3KQ6 A 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 3KQ6 B 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 3KQ6 C 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 3KQ6 D 1 30 UNP P01308 INS_HUMAN 25 54 SEQADV 3KQ6 HIS A 4 UNP P01308 GLU 93 ENGINEERED MUTATION SEQADV 3KQ6 HIS A 8 UNP P01308 THR 97 ENGINEERED MUTATION SEQADV 3KQ6 HIS C 4 UNP P01308 GLU 93 ENGINEERED MUTATION SEQADV 3KQ6 HIS C 8 UNP P01308 THR 97 ENGINEERED MUTATION SEQRES 1 A 21 GLY ILE VAL HIS GLN CYS CYS HIS SER ILE CYS SER LEU SEQRES 2 A 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 B 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 B 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 B 30 THR PRO LYS THR SEQRES 1 C 21 GLY ILE VAL HIS GLN CYS CYS HIS SER ILE CYS SER LEU SEQRES 2 C 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 D 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 D 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 D 30 THR PRO LYS THR HET ZN A 301 1 HET CL A 302 1 HET ZN B 101 1 HET IPH C 100 7 HET ZN D 201 1 HET CL D 202 1 HETNAM ZN ZINC ION HETNAM CL CHLORIDE ION HETNAM IPH PHENOL FORMUL 5 ZN 3(ZN 2+) FORMUL 6 CL 2(CL 1-) FORMUL 8 IPH C6 H6 O FORMUL 11 HOH *82(H2 O) HELIX 1 1 GLY A 1 CYS A 7 1 7 HELIX 2 2 SER A 12 ASN A 18 1 7 HELIX 3 3 GLY B 8 GLY B 20 1 13 HELIX 4 4 GLU B 21 GLY B 23 5 3 HELIX 5 5 GLY C 1 CYS C 7 1 7 HELIX 6 6 SER C 12 GLU C 17 1 6 HELIX 7 7 ASN C 18 CYS C 20 5 3 HELIX 8 8 VAL D 2 GLY D 20 1 19 HELIX 9 9 GLU D 21 GLY D 23 5 3 SHEET 1 A 2 PHE B 24 TYR B 26 0 SHEET 2 A 2 PHE D 24 TYR D 26 -1 O TYR D 26 N PHE B 24 SSBOND 1 CYS A 6 CYS A 11 1555 1555 2.03 SSBOND 2 CYS A 7 CYS B 7 1555 1555 2.03 SSBOND 3 CYS A 20 CYS B 19 1555 1555 2.03 SSBOND 4 CYS C 6 CYS C 11 1555 1555 2.02 SSBOND 5 CYS C 7 CYS D 7 1555 1555 2.04 SSBOND 6 CYS C 20 CYS D 19 1555 1555 2.03 LINK ND1 HIS A 4 ZN ZN A 301 1555 1555 2.09 LINK ND1 HIS A 8 ZN ZN A 301 1555 1555 2.09 LINK NE2 HIS B 10 ZN ZN B 101 1555 1555 2.06 LINK NE2 HIS D 10 ZN ZN D 201 1555 1555 2.04 SITE 1 AC1 4 HIS A 4 HIS A 8 CL A 302 HIS C 4 SITE 1 AC2 5 HIS A 4 HIS A 8 ZN A 301 VAL C 3 SITE 2 AC2 5 GLN D 4 SITE 1 AC3 1 HIS B 10 SITE 1 AC4 6 CYS C 6 SER C 9 ILE C 10 CYS C 11 SITE 2 AC4 6 HIS D 5 LEU D 11 SITE 1 AC5 2 HIS D 10 CL D 202 SITE 1 AC6 2 HIS D 10 ZN D 201 CRYST1 78.091 78.091 36.399 90.00 90.00 120.00 H 3 18 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 0.012806 0.007393 0.000000 0.00000 SCALE2 0.000000 0.014787 0.000000 0.00000 SCALE3 0.000000 0.000000 0.027473 0.00000