HEADER LUMINESCENT PROTEIN 27-JAN-06 2DDD TITLE UNIQUE BEHAVIOR OF A HISTIDINE RESPONSIBLE FOR AN ENGINEERED GREEN-TO- TITLE 2 RED PHOTOCONVERSION PROCESS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOTOCONVERTIBLE FLUORESCENT PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: FAVIA FAVUS; SOURCE 3 ORGANISM_TAXID: 102203; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PRSETB KEYWDS PHOTOCONVERSION, GREEN STATE, LUMINESCENT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.SHIMIZU,H.TSUTSUI,N.NUKINA,A.MIYAWAKI REVDAT 7 30-OCT-24 2DDD 1 REMARK REVDAT 6 15-NOV-23 2DDD 1 LINK ATOM REVDAT 5 25-OCT-23 2DDD 1 REMARK SEQADV LINK REVDAT 4 02-MAR-11 2DDD 1 JRNL REVDAT 3 05-MAY-09 2DDD 1 DBREF SEQADV REVDAT 2 24-FEB-09 2DDD 1 VERSN REVDAT 1 07-MAR-06 2DDD 0 JRNL AUTH H.TSUTSUI,H.SHIMIZU,H.MIZUNO,N.NUKINA,T.FURUTA,A.MIYAWAKI JRNL TITL THE E1 MECHANISM IN PHOTO-INDUCED BETA-ELIMINATION REACTIONS JRNL TITL 2 FOR GREEN-TO-RED CONVERSION OF FLUORESCENT PROTEINS JRNL REF CHEM.BIOL. V. 16 1140 2009 JRNL REFN ISSN 1074-5521 JRNL PMID 19942137 JRNL DOI 10.1016/J.CHEMBIOL.2009.10.010 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 69436 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) : 0.175 REMARK 3 FREE R VALUE : 0.190 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3524 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3605 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 600 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 2DDD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-JAN-06. REMARK 100 THE DEPOSITION ID IS D_1000025282. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-03 REMARK 200 TEMPERATURE (KELVIN) : 90 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL44B2 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 : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69780 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04100 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.62 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.26700 REMARK 200 FOR SHELL : 4.100 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: PDB ENTRY 1XSS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 4M NACL, 0.1M HEPES, PH 7, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 48.91850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 59.20500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 48.91850 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 59.20500 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 HOH A1388 LIES ON A SPECIAL POSITION. 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 LYS A 227 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 SER A 202 149.35 -170.45 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 MG A1300 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 207 OH REMARK 620 2 HOH A1348 O 95.0 REMARK 620 3 HOH A1367 O 96.6 90.9 REMARK 620 4 HOH A1406 O 164.6 96.3 93.6 REMARK 620 5 HOH A1476 O 82.2 87.6 178.0 87.9 REMARK 620 6 HOH A1553 O 89.2 167.2 100.7 77.6 81.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B2300 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR B 207 OH REMARK 620 2 HOH B2344 O 94.9 REMARK 620 3 HOH B2355 O 96.9 91.2 REMARK 620 4 HOH B2393 O 165.2 95.8 93.1 REMARK 620 5 HOH B2480 O 84.9 85.5 176.4 85.8 REMARK 620 6 HOH B2527 O 90.6 170.2 96.1 77.4 87.0 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 1301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 2300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 2301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2DDC RELATED DB: PDB REMARK 900 RED STATE OF THE SAME PROTEIN DBREF 2DDD A 1 227 UNP Q53UG8 Q53UG8_9CNID 1 227 DBREF 2DDD B 1 227 UNP Q53UG8 Q53UG8_9CNID 1 227 SEQADV 2DDD VAL A 1 UNP Q53UG8 MET 1 ENGINEERED MUTATION SEQADV 2DDD VAL A 12 UNP Q53UG8 LEU 12 ENGINEERED MUTATION SEQADV 2DDD CR8 A 64 UNP Q53UG8 HIS 62 CHROMOPHORE SEQADV 2DDD CR8 A 64 UNP Q53UG8 TYR 63 CHROMOPHORE SEQADV 2DDD CR8 A 64 UNP Q53UG8 GLY 64 CHROMOPHORE SEQADV 2DDD LYS A 70 UNP Q53UG8 GLU 70 ENGINEERED MUTATION SEQADV 2DDD SER A 144 UNP Q53UG8 PRO 144 ENGINEERED MUTATION SEQADV 2DDD LEU A 197 UNP Q53UG8 GLN 197 ENGINEERED MUTATION SEQADV 2DDD VAL B 1 UNP Q53UG8 MET 1 ENGINEERED MUTATION SEQADV 2DDD VAL B 12 UNP Q53UG8 LEU 12 ENGINEERED MUTATION SEQADV 2DDD CR8 B 64 UNP Q53UG8 HIS 62 CHROMOPHORE SEQADV 2DDD CR8 B 64 UNP Q53UG8 TYR 63 CHROMOPHORE SEQADV 2DDD CR8 B 64 UNP Q53UG8 GLY 64 CHROMOPHORE SEQADV 2DDD LYS B 70 UNP Q53UG8 GLU 70 ENGINEERED MUTATION SEQADV 2DDD SER B 144 UNP Q53UG8 PRO 144 ENGINEERED MUTATION SEQADV 2DDD LEU B 197 UNP Q53UG8 GLN 197 ENGINEERED MUTATION SEQRES 1 A 225 VAL SER VAL ILE THR SER GLU MET LYS ILE GLU VAL ARG SEQRES 2 A 225 MET GLU GLY ALA VAL ASN GLY HIS LYS PHE VAL ILE THR SEQRES 3 A 225 GLY LYS GLY SER GLY GLN PRO PHE GLU GLY ILE GLN ASN SEQRES 4 A 225 VAL ASP LEU THR VAL ILE GLU GLY GLY PRO LEU PRO PHE SEQRES 5 A 225 ALA PHE ASP ILE LEU THR THR ALA PHE CR8 ASN ARG VAL SEQRES 6 A 225 PHE VAL LYS TYR PRO GLU GLU ILE VAL ASP TYR PHE LYS SEQRES 7 A 225 GLN SER PHE PRO GLU GLY TYR SER TRP GLU ARG SER MET SEQRES 8 A 225 SER TYR GLU ASP GLY GLY ILE CYS LEU ALA THR ASN ASN SEQRES 9 A 225 ILE THR MET LYS LYS ASP GLY SER ASN CYS PHE VAL ASN SEQRES 10 A 225 GLU ILE ARG PHE ASP GLY VAL ASN PHE PRO ALA ASN GLY SEQRES 11 A 225 PRO VAL MET GLN ARG LYS THR VAL LYS TRP GLU SER SER SEQRES 12 A 225 THR GLU LYS MET TYR VAL ARG ASP GLY VAL LEU LYS GLY SEQRES 13 A 225 ASP VAL ASN MET ALA LEU LEU LEU GLN GLY GLY GLY HIS SEQRES 14 A 225 TYR ARG CYS ASP PHE ARG THR THR TYR LYS ALA LYS LYS SEQRES 15 A 225 VAL VAL GLN LEU PRO ASP TYR HIS PHE VAL ASP HIS LEU SEQRES 16 A 225 MET GLU ILE THR SER HIS ASP LYS ASP TYR ASN LYS VAL SEQRES 17 A 225 LYS LEU TYR GLU HIS ALA LYS ALA HIS SER GLY LEU PRO SEQRES 18 A 225 ARG LEU ALA LYS SEQRES 1 B 225 VAL SER VAL ILE THR SER GLU MET LYS ILE GLU VAL ARG SEQRES 2 B 225 MET GLU GLY ALA VAL ASN GLY HIS LYS PHE VAL ILE THR SEQRES 3 B 225 GLY LYS GLY SER GLY GLN PRO PHE GLU GLY ILE GLN ASN SEQRES 4 B 225 VAL ASP LEU THR VAL ILE GLU GLY GLY PRO LEU PRO PHE SEQRES 5 B 225 ALA PHE ASP ILE LEU THR THR ALA PHE CR8 ASN ARG VAL SEQRES 6 B 225 PHE VAL LYS TYR PRO GLU GLU ILE VAL ASP TYR PHE LYS SEQRES 7 B 225 GLN SER PHE PRO GLU GLY TYR SER TRP GLU ARG SER MET SEQRES 8 B 225 SER TYR GLU ASP GLY GLY ILE CYS LEU ALA THR ASN ASN SEQRES 9 B 225 ILE THR MET LYS LYS ASP GLY SER ASN CYS PHE VAL ASN SEQRES 10 B 225 GLU ILE ARG PHE ASP GLY VAL ASN PHE PRO ALA ASN GLY SEQRES 11 B 225 PRO VAL MET GLN ARG LYS THR VAL LYS TRP GLU SER SER SEQRES 12 B 225 THR GLU LYS MET TYR VAL ARG ASP GLY VAL LEU LYS GLY SEQRES 13 B 225 ASP VAL ASN MET ALA LEU LEU LEU GLN GLY GLY GLY HIS SEQRES 14 B 225 TYR ARG CYS ASP PHE ARG THR THR TYR LYS ALA LYS LYS SEQRES 15 B 225 VAL VAL GLN LEU PRO ASP TYR HIS PHE VAL ASP HIS LEU SEQRES 16 B 225 MET GLU ILE THR SER HIS ASP LYS ASP TYR ASN LYS VAL SEQRES 17 B 225 LYS LEU TYR GLU HIS ALA LYS ALA HIS SER GLY LEU PRO SEQRES 18 B 225 ARG LEU ALA LYS MODRES 2DDD CR8 A 64 HIS MODRES 2DDD CR8 A 64 TYR MODRES 2DDD CR8 A 64 GLY MODRES 2DDD CR8 B 64 HIS MODRES 2DDD CR8 B 64 TYR MODRES 2DDD CR8 B 64 GLY HET CR8 A 64 25 HET CR8 B 64 25 HET MG A1300 1 HET NA A1301 1 HET MG B2300 1 HET NA B2301 1 HETNAM CR8 2-[1-AMINO-2-(1H-IMIDAZOL-5-YL)ETHYL]-1- HETNAM 2 CR8 (CARBOXYMETHYL)-4-[(4-OXOCYCLOHEXA-2,5-DIEN-1- HETNAM 3 CR8 YLIDENE)METHYL]-1H-IMIDAZOL-5-OLATE HETNAM MG MAGNESIUM ION HETNAM NA SODIUM ION HETSYN CR8 CHROMOPHORE (HIS-TYR-GLY) FORMUL 1 CR8 2(C17 H16 N5 O4 1-) FORMUL 3 MG 2(MG 2+) FORMUL 4 NA 2(NA 1+) FORMUL 7 HOH *600(H2 O) HELIX 1 1 ALA A 53 PHE A 61 5 9 HELIX 2 2 ASP A 77 PHE A 83 1 7 HELIX 3 3 ALA B 53 PHE B 61 5 9 HELIX 4 4 ASP B 77 PHE B 83 1 7 SHEET 1 A13 THR A 139 TRP A 142 0 SHEET 2 A13 VAL A 155 LEU A 166 -1 O LEU A 165 N VAL A 140 SHEET 3 A13 HIS A 171 ALA A 182 -1 O TYR A 180 N LEU A 156 SHEET 4 A13 TYR A 87 TYR A 95 -1 N SER A 88 O LYS A 181 SHEET 5 A13 ILE A 100 MET A 109 -1 O CYS A 101 N MET A 93 SHEET 6 A13 CYS A 116 VAL A 126 -1 O VAL A 118 N THR A 108 SHEET 7 A13 MET A 8 VAL A 18 1 N LYS A 9 O PHE A 117 SHEET 8 A13 HIS A 21 GLN A 32 -1 O ILE A 25 N MET A 14 SHEET 9 A13 ILE A 37 GLU A 46 -1 O ILE A 37 N GLN A 32 SHEET 10 A13 LYS A 209 HIS A 219 -1 O VAL A 210 N LEU A 42 SHEET 11 A13 HIS A 192 HIS A 203 -1 N SER A 202 O LYS A 211 SHEET 12 A13 SER A 145 ARG A 152 -1 N GLU A 147 O VAL A 194 SHEET 13 A13 VAL A 155 LEU A 166 -1 O ASP A 159 N LYS A 148 SHEET 1 B13 THR B 139 TRP B 142 0 SHEET 2 B13 VAL B 155 LEU B 166 -1 O LEU B 165 N VAL B 140 SHEET 3 B13 HIS B 171 ALA B 182 -1 O TYR B 180 N LEU B 156 SHEET 4 B13 TYR B 87 TYR B 95 -1 N SER B 88 O LYS B 181 SHEET 5 B13 ILE B 100 MET B 109 -1 O CYS B 101 N MET B 93 SHEET 6 B13 CYS B 116 VAL B 126 -1 O VAL B 118 N THR B 108 SHEET 7 B13 MET B 8 VAL B 18 1 N ARG B 13 O ILE B 121 SHEET 8 B13 HIS B 21 GLN B 32 -1 O ILE B 25 N MET B 14 SHEET 9 B13 ILE B 37 GLU B 46 -1 O ILE B 37 N GLN B 32 SHEET 10 B13 LYS B 209 HIS B 219 -1 O VAL B 210 N LEU B 42 SHEET 11 B13 HIS B 192 HIS B 203 -1 N SER B 202 O LYS B 211 SHEET 12 B13 SER B 145 ARG B 152 -1 N GLU B 147 O VAL B 194 SHEET 13 B13 VAL B 155 LEU B 166 -1 O ASP B 159 N LYS B 148 LINK C PHE A 61 N1 CR8 A 64 1555 1555 1.34 LINK C3 CR8 A 64 N ASN A 65 1555 1555 1.33 LINK C PHE B 61 N1 CR8 B 64 1555 1555 1.34 LINK C3 CR8 B 64 N ASN B 65 1555 1555 1.32 LINK OH TYR A 207 MG MG A1300 1555 1555 2.39 LINK MG MG A1300 O HOH A1348 1555 1555 2.56 LINK MG MG A1300 O HOH A1367 1555 1555 2.41 LINK MG MG A1300 O HOH A1406 1555 1555 2.52 LINK MG MG A1300 O HOH A1476 1555 1555 2.58 LINK MG MG A1300 O HOH A1553 1555 1555 2.75 LINK NA NA A1301 O HOH A1573 1555 1555 3.09 LINK OH TYR B 207 MG MG B2300 1555 1555 2.40 LINK MG MG B2300 O HOH B2344 1555 1555 2.53 LINK MG MG B2300 O HOH B2355 1555 1555 2.42 LINK MG MG B2300 O HOH B2393 1555 1555 2.55 LINK MG MG B2300 O HOH B2480 1555 1555 2.63 LINK MG MG B2300 O HOH B2527 1555 1555 2.70 LINK NA NA B2301 O HOH B2566 1555 1555 3.17 CISPEP 1 GLY A 48 PRO A 49 0 -0.21 CISPEP 2 PHE A 83 PRO A 84 0 0.33 CISPEP 3 GLY B 48 PRO B 49 0 -0.13 CISPEP 4 PHE B 83 PRO B 84 0 0.27 SITE 1 AC1 6 TYR A 207 HOH A1348 HOH A1367 HOH A1406 SITE 2 AC1 6 HOH A1476 HOH A1553 SITE 1 AC2 3 VAL A 76 ASP A 190 HOH A1573 SITE 1 AC3 6 TYR B 207 HOH B2344 HOH B2355 HOH B2393 SITE 2 AC3 6 HOH B2480 HOH B2527 SITE 1 AC4 2 VAL B 76 ASP B 190 CRYST1 97.837 118.410 48.856 90.00 119.96 90.00 C 1 2 1 8 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 0.010221 0.000000 0.005892 0.00000 SCALE2 0.000000 0.008445 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023625 0.00000