HEADER LUMINESCENT PROTEIN 05-FEB-02 1KYS TITLE CRYSTAL STRUCTURE OF A ZN-BOUND GREEN FLUORESCENT PROTEIN BIOSENSOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: GREEN FLUORESCENT PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AEQUOREA VICTORIA; SOURCE 3 ORGANISM_TAXID: 6100; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS BETA BARREL, CHROMOPHORE, ZN BINDING DESIGN, LUMINESCENT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.P.BARONDEAU,C.J.KASSMANN,J.A.TAINER,E.D.GETZOFF REVDAT 7 06-NOV-24 1KYS 1 REMARK REVDAT 6 15-NOV-23 1KYS 1 REMARK REVDAT 5 16-AUG-23 1KYS 1 REMARK REVDAT 4 27-OCT-21 1KYS 1 REMARK SEQADV LINK REVDAT 3 12-MAY-09 1KYS 1 REMARK SEQADV REVDAT 2 24-FEB-09 1KYS 1 VERSN REVDAT 1 10-APR-02 1KYS 0 JRNL AUTH D.P.BARONDEAU,C.J.KASSMANN,J.A.TAINER,E.D.GETZOFF JRNL TITL STRUCTURAL CHEMISTRY OF A GREEN FLUORESCENT PROTEIN ZN JRNL TITL 2 BIOSENSOR. JRNL REF J.AM.CHEM.SOC. V. 124 3522 2002 JRNL REFN ISSN 0002-7863 JRNL PMID 11929238 JRNL DOI 10.1021/JA0176954 REMARK 2 REMARK 2 RESOLUTION. 1.44 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.44 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.2 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.159 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.157 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1935 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 36868 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.140 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.138 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.206 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1511 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 28524 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1784 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 246 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2034.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1731.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 3 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 18410 REMARK 3 NUMBER OF RESTRAINTS : 22408 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 ANGLE DISTANCES (A) : 0.028 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.030 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.051 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.051 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.019 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.003 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.059 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.090 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-22 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KYS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-02. REMARK 100 THE DEPOSITION ID IS D_1000015479. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-DEC-00 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 : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : CURVED CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 110767 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.440 REMARK 200 RESOLUTION RANGE LOW (A) : 1.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 23.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.44 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.31600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: 1EMA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, MAGNESIUM CHLORIDE, HEPES, REMARK 280 PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 25.57350 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.40850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.11300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.40850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.57350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.11300 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 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 MET A 0 REMARK 465 ALA A 1 REMARK 465 SER A 2 REMARK 465 LYS A 3 REMARK 465 HIS A 231 REMARK 465 GLY A 232 REMARK 465 MET A 233 REMARK 465 ASP A 234 REMARK 465 GLU A 235 REMARK 465 LEU A 236 REMARK 465 TYR A 237 REMARK 465 LYS A 238 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 ARG A 168 CD - NE - CZ ANGL. DEV. = 10.3 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 ASP A 103 -158.84 -153.19 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 304 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 25 ND1 REMARK 620 2 LYS A 101 NZ 85.6 REMARK 620 3 ASP A 190 OD1 141.5 108.1 REMARK 620 4 ASP A 190 OD2 94.3 84.8 53.2 REMARK 620 5 HOH A1047 O 122.5 117.0 83.8 136.8 REMARK 620 6 HOH A1210 O 88.2 162.9 68.0 79.8 79.7 REMARK 620 N 1 2 3 4 5 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 CRG A 66 ND1 REMARK 620 2 CRG A 66 N2 93.7 REMARK 620 3 CRG A 66 OG1 138.8 83.4 REMARK 620 4 GLU A 222 OE2 113.8 152.5 76.1 REMARK 620 5 HOH A1246 O 95.1 98.8 126.0 79.4 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 306 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 142 OE2 REMARK 620 2 ASP A 197 OD1 91.2 REMARK 620 3 HOH A1042 O 96.5 91.4 REMARK 620 4 HOH A1051 O 87.5 174.1 94.5 REMARK 620 5 HOH A1060 O 174.3 94.3 84.6 86.9 REMARK 620 6 HOH A1075 O 93.9 87.0 169.5 87.3 85.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 308 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 172 OE2 REMARK 620 2 GLU A 172 OE1 59.5 REMARK 620 3 HOH A1101 O 93.5 144.8 REMARK 620 N 1 2 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 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 306 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 308 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KYP RELATED DB: PDB REMARK 900 1KYP IS THE CRYSTAL STRUCTURE OF AN APO GREEN FLUORESCENT PROTEIN REMARK 900 ZN BIOSENSOR REMARK 900 RELATED ID: 1KYR RELATED DB: PDB REMARK 900 1KYR IS THE CRYSTAL STRUCTURE OF A CU-BOUND GREEN FLUORESCENT REMARK 900 PROTEIN ZN BIOSENSOR REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES 65SER AND 66TYR ARE MUTATED TO REMARK 999 65THR AND 66HIS. 65THR, 66HIS AND 67GLY ARE REMARK 999 MODIFIED TO MAKE THE CHROMOPHORE CRG 66 DBREF 1KYS A 1 238 UNP P42212 GFP_AEQVI 1 238 SEQADV 1KYS ALA A 1 UNP P42212 CLONING ARTIFACT SEQADV 1KYS LEU A 64 UNP P42212 PHE 64 ENGINEERED MUTATION SEQADV 1KYS CRG A 66 UNP P42212 SER 65 CHROMOPHORE SEQADV 1KYS CRG A 66 UNP P42212 TYR 66 CHROMOPHORE SEQADV 1KYS CRG A 66 UNP P42212 GLY 67 CHROMOPHORE SEQADV 1KYS SER A 99 UNP P42212 PHE 99 ENGINEERED MUTATION SEQADV 1KYS PHE A 145 UNP P42212 TYR 145 ENGINEERED MUTATION SEQADV 1KYS GLY A 148 UNP P42212 HIS 148 ENGINEERED MUTATION SEQADV 1KYS THR A 153 UNP P42212 MET 153 ENGINEERED MUTATION SEQADV 1KYS ALA A 163 UNP P42212 VAL 163 ENGINEERED MUTATION SEQRES 1 A 237 MET ALA SER LYS GLY GLU GLU LEU PHE THR GLY VAL VAL SEQRES 2 A 237 PRO ILE LEU VAL GLU LEU ASP GLY ASP VAL ASN GLY HIS SEQRES 3 A 237 LYS PHE SER VAL SER GLY GLU GLY GLU GLY ASP ALA THR SEQRES 4 A 237 TYR GLY LYS LEU THR LEU LYS PHE ILE CYS THR THR GLY SEQRES 5 A 237 LYS LEU PRO VAL PRO TRP PRO THR LEU VAL THR THR LEU SEQRES 6 A 237 CRG VAL GLN CYS PHE SER ARG TYR PRO ASP HIS MET LYS SEQRES 7 A 237 GLN HIS ASP PHE PHE LYS SER ALA MET PRO GLU GLY TYR SEQRES 8 A 237 VAL GLN GLU ARG THR ILE SER PHE LYS ASP ASP GLY ASN SEQRES 9 A 237 TYR LYS THR ARG ALA GLU VAL LYS PHE GLU GLY ASP THR SEQRES 10 A 237 LEU VAL ASN ARG ILE GLU LEU LYS GLY ILE ASP PHE LYS SEQRES 11 A 237 GLU ASP GLY ASN ILE LEU GLY HIS LYS LEU GLU TYR ASN SEQRES 12 A 237 PHE ASN SER GLY ASN VAL TYR ILE THR ALA ASP LYS GLN SEQRES 13 A 237 LYS ASN GLY ILE LYS ALA ASN PHE LYS ILE ARG HIS ASN SEQRES 14 A 237 ILE GLU ASP GLY SER VAL GLN LEU ALA ASP HIS TYR GLN SEQRES 15 A 237 GLN ASN THR PRO ILE GLY ASP GLY PRO VAL LEU LEU PRO SEQRES 16 A 237 ASP ASN HIS TYR LEU SER THR GLN SER ALA LEU SER LYS SEQRES 17 A 237 ASP PRO ASN GLU LYS ARG ASP HIS MET VAL LEU LEU GLU SEQRES 18 A 237 PHE VAL THR ALA ALA GLY ILE THR HIS GLY MET ASP GLU SEQRES 19 A 237 LEU TYR LYS MODRES 1KYS CRG A 66 THR MODRES 1KYS CRG A 66 HIS MODRES 1KYS CRG A 66 GLY HET CRG A 66 20 HET ZN A 304 1 HET ZN A 306 1 HET ZN A 308 1 HET ZN A 301 1 HETNAM CRG [2-(1-AMINO-2-HYDROXY-PROPYL)-4-(3H-IMIDAZOL-4- HETNAM 2 CRG YLMETHYLENE)-5-OXO-4,5-DIHYDRO-IMIDAZOL-1-YL]-ACETIC HETNAM 3 CRG ACID HETNAM ZN ZINC ION FORMUL 1 CRG C12 H15 N5 O4 FORMUL 2 ZN 4(ZN 2+) FORMUL 6 HOH *246(H2 O) HELIX 1 1 GLY A 4 THR A 9 5 6 HELIX 2 2 ALA A 37 TYR A 39 5 3 HELIX 3 3 PRO A 56 VAL A 61 5 6 HELIX 4 4 VAL A 68 SER A 72 5 5 HELIX 5 5 PRO A 75 HIS A 81 5 7 HELIX 6 6 ASP A 82 ALA A 87 1 6 HELIX 7 7 LYS A 156 ASN A 159 5 4 SHEET 1 A12 VAL A 12 VAL A 22 0 SHEET 2 A12 HIS A 25 ASP A 36 -1 O PHE A 27 N GLY A 20 SHEET 3 A12 LYS A 41 CYS A 48 -1 O ILE A 47 N SER A 30 SHEET 4 A12 HIS A 217 ALA A 227 -1 O LEU A 220 N LEU A 44 SHEET 5 A12 HIS A 199 SER A 208 -1 N SER A 202 O THR A 225 SHEET 6 A12 GLY A 148 ASP A 155 -1 N ILE A 152 O HIS A 199 SHEET 7 A12 GLY A 160 ASN A 170 -1 O GLY A 160 N ASP A 155 SHEET 8 A12 VAL A 176 PRO A 187 -1 O HIS A 181 N PHE A 165 SHEET 9 A12 TYR A 92 PHE A 100 -1 N VAL A 93 O THR A 186 SHEET 10 A12 ASN A 105 GLU A 115 -1 O TYR A 106 N ILE A 98 SHEET 11 A12 THR A 118 ILE A 128 -1 O VAL A 120 N LYS A 113 SHEET 12 A12 VAL A 12 VAL A 22 1 N ASP A 21 O GLY A 127 LINK C LEU A 64 N1 CRG A 66 1555 1555 1.33 LINK C3 CRG A 66 N VAL A 68 1555 1555 1.33 LINK ND1 HIS A 25 ZN ZN A 304 1555 1555 2.06 LINK ND1 CRG A 66 ZN ZN A 301 1555 1555 2.03 LINK N2 CRG A 66 ZN ZN A 301 1555 1555 2.07 LINK OG1 CRG A 66 ZN ZN A 301 1555 1555 2.25 LINK NZ LYS A 101 ZN ZN A 304 4465 1555 1.89 LINK OE2 GLU A 142 ZN ZN A 306 1555 1555 1.96 LINK OE2 GLU A 172 ZN ZN A 308 1555 1555 2.09 LINK OE1 GLU A 172 ZN ZN A 308 1555 1555 2.31 LINK OD1 ASP A 190 ZN ZN A 304 2664 1555 2.33 LINK OD2 ASP A 190 ZN ZN A 304 2664 1555 2.44 LINK OD1 ASP A 197 ZN ZN A 306 2764 1555 2.03 LINK OE2 GLU A 222 ZN ZN A 301 1555 1555 2.10 LINK ZN ZN A 301 O HOH A1246 1555 1555 2.11 LINK ZN ZN A 304 O HOH A1047 1555 4465 1.98 LINK ZN ZN A 304 O HOH A1210 1555 1555 1.95 LINK ZN ZN A 306 O HOH A1042 1555 1555 1.99 LINK ZN ZN A 306 O HOH A1051 1555 1555 2.14 LINK ZN ZN A 306 O HOH A1060 1555 2764 2.08 LINK ZN ZN A 306 O HOH A1075 1555 1555 2.21 LINK ZN ZN A 308 O HOH A1101 1555 1555 2.24 CISPEP 1 MET A 88 PRO A 89 0 2.00 SITE 1 AC1 5 HIS A 25 LYS A 101 ASP A 190 HOH A1047 SITE 2 AC1 5 HOH A1210 SITE 1 AC2 6 GLU A 142 ASP A 197 HOH A1042 HOH A1051 SITE 2 AC2 6 HOH A1060 HOH A1075 SITE 1 AC3 4 HIS A 139 GLU A 172 THR A 230 HOH A1101 SITE 1 AC4 3 CRG A 66 GLU A 222 HOH A1246 CRYST1 51.147 62.226 68.817 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 0.019551 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016070 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014531 0.00000