HEADER PHOTOSYNTHESIS 17-AUG-98 2YFP TITLE STRUCTURE OF YELLOW-EMISSION VARIANT OF GFP COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (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 ORGAN: PHOTOGENIC ORGAN; SOURCE 5 TISSUE: CIRCUMORAL RING CANAL; SOURCE 6 GENE: GFP; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: JM109 (DE3); SOURCE 10 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PRSETB (INVITROGEN) KEYWDS GREEN FLUORESCENT PROTEIN, YELLOW-EMISSION VARIANT, BIOLUMINESCENCE, KEYWDS 2 PHOTOACTIVE PROTEIN, FLUORESCENT TAG, PHOTOSYNTHESIS EXPDTA X-RAY DIFFRACTION AUTHOR R.M.WACHTER,M.A.ELSLIGER,K.KALLIO,G.T.HANSON,S.J.REMINGTON REVDAT 8 15-NOV-23 2YFP 1 REMARK REVDAT 7 20-SEP-23 2YFP 1 REMARK REVDAT 6 21-DEC-22 2YFP 1 SEQADV LINK REVDAT 5 19-MAY-09 2YFP 1 REMARK REVDAT 4 24-FEB-09 2YFP 1 VERSN REVDAT 3 01-APR-03 2YFP 1 JRNL REVDAT 2 22-DEC-99 2YFP 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 13-JAN-99 2YFP 0 JRNL AUTH R.M.WACHTER,M.A.ELSLIGER,K.KALLIO,G.T.HANSON,S.J.REMINGTON JRNL TITL STRUCTURAL BASIS OF SPECTRAL SHIFTS IN THE YELLOW-EMISSION JRNL TITL 2 VARIANTS OF GREEN FLUORESCENT PROTEIN. JRNL REF STRUCTURE V. 6 1267 1998 JRNL REFN ISSN 0969-2126 JRNL PMID 9782051 JRNL DOI 10.1016/S0969-2126(98)00127-0 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 7301 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.161 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) : 0.1610 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1610 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) : 7301 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1747 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 30 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 22.200 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.010 ; 1.500 ; 1854 REMARK 3 BOND ANGLES (DEGREES) : 1.920 ; 3.000 ; 2497 REMARK 3 TORSION ANGLES (DEGREES) : 20.510; 0.000 ; 1084 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.008 ; 2.000 ; 52 REMARK 3 GENERAL PLANES (A) : 0.016 ; 6.000 ; 265 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 3.110 ; 2.500 ; 1829 REMARK 3 NON-BONDED CONTACTS (A) : 0.023 ; 10.000; 33 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.71 REMARK 3 BSOL : 147.0 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2YFP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008048. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-DEC-97 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SDMS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DATAC REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7373 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 24.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.900 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.2300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.78 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.17800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.240 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: TNT REMARK 200 STARTING MODEL: PDB ENTRY 1EMA REMARK 200 REMARK 200 REMARK: ISOMORPHOUS REPLACEMENT REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.6 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 25.99700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.96450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.37800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.96450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.99700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.37800 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 1 REMARK 465 THR A 230 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 3 CB CG CD CE NZ REMARK 470 GLU A 6 CD OE1 OE2 REMARK 470 LYS A 52 CD CE NZ REMARK 470 LYS A 101 CD CE NZ REMARK 470 LYS A 107 CE NZ REMARK 470 ARG A 122 CD NE CZ NH1 NH2 REMARK 470 GLU A 124 CD OE1 OE2 REMARK 470 LYS A 131 CE NZ REMARK 470 GLU A 132 CD OE1 OE2 REMARK 470 LYS A 156 CG CD CE NZ REMARK 470 GLN A 157 CB CG CD OE1 NE2 REMARK 470 LYS A 158 CE NZ REMARK 470 LYS A 162 CD CE NZ REMARK 470 ASN A 164 OD1 ND2 REMARK 470 ARG A 168 NE CZ NH1 NH2 REMARK 470 GLU A 172 CD OE1 OE2 REMARK 470 GLN A 184 CD OE1 NE2 REMARK 470 ASP A 190 CG OD1 OD2 REMARK 470 ASN A 212 CG OD1 ND2 REMARK 470 LYS A 214 NZ REMARK 470 ILE A 229 O REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 26 NZ 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 32 CD GLU A 32 OE2 0.067 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 21 CB - CG - OD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP A 21 CB - CG - OD2 ANGL. DEV. = -7.0 DEGREES REMARK 500 PRO A 56 C - N - CD ANGL. DEV. = -13.7 DEGREES REMARK 500 ASP A 82 CB - CG - OD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 ARG A 96 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ASP A 102 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 102 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ASP A 117 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ASP A 133 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP A 180 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 ARG A 215 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ASP A 216 CB - CG - OD2 ANGL. DEV. = -5.4 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 VAL A 61 -60.02 -26.05 REMARK 500 PRO A 75 151.02 -49.76 REMARK 500 LYS A 79 -35.48 -39.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE FLUOROPHORE (PBI) IS GENERATED BY AN AUTOCATALYTIC REMARK 999 CYCLIZATION OF THE POLYPEPTIDE BACKBONE OF SER 65, HIS 66, REMARK 999 GLY 67. RESIDUES 65, 66, AND 67 ARE NOT PRESENT IN THE REMARK 999 ENTRY AND ARE INSTEAD REPLACED WITH PBI 66. DBREF 2YFP A 1 238 UNP Q93125 Q93125_AEQVI 1 238 SEQADV 2YFP CR2 A 66 UNP Q93125 ALA 65 CHROMOPHORE SEQADV 2YFP CR2 A 66 UNP Q93125 TYR 66 CHROMOPHORE SEQADV 2YFP CR2 A 66 UNP Q93125 GLY 67 CHROMOPHORE SEQADV 2YFP TYR A 203 UNP Q93125 THR 203 CONFLICT SEQRES 1 A 236 MET SER LYS GLY GLU GLU LEU PHE THR GLY VAL VAL PRO SEQRES 2 A 236 ILE LEU VAL GLU LEU ASP GLY ASP VAL ASN GLY HIS LYS SEQRES 3 A 236 PHE SER VAL SER GLY GLU GLY GLU GLY ASP ALA THR TYR SEQRES 4 A 236 GLY LYS LEU THR LEU LYS PHE ILE CYS THR THR GLY LYS SEQRES 5 A 236 LEU PRO VAL PRO TRP PRO THR LEU VAL THR THR PHE CR2 SEQRES 6 A 236 LEU GLN CYS PHE ALA ARG TYR PRO ASP HIS MET LYS ARG SEQRES 7 A 236 HIS ASP PHE PHE LYS SER ALA MET PRO GLU GLY TYR VAL SEQRES 8 A 236 GLN GLU ARG THR ILE PHE PHE LYS ASP ASP GLY ASN TYR SEQRES 9 A 236 LYS THR ARG ALA GLU VAL LYS PHE GLU GLY ASP THR LEU SEQRES 10 A 236 VAL ASN ARG ILE GLU LEU LYS GLY ILE ASP PHE LYS GLU SEQRES 11 A 236 ASP GLY ASN ILE LEU GLY HIS LYS LEU GLU TYR ASN TYR SEQRES 12 A 236 ASN SER GLY ASN VAL TYR ILE MET ALA ASP LYS GLN LYS SEQRES 13 A 236 ASN GLY ILE LYS VAL ASN PHE LYS ILE ARG HIS ASN ILE SEQRES 14 A 236 GLU ASP GLY SER VAL GLN LEU ALA ASP HIS TYR GLN GLN SEQRES 15 A 236 ASN THR PRO ILE GLY ASP GLY PRO VAL LEU LEU PRO ASP SEQRES 16 A 236 ASN HIS TYR LEU SER TYR GLN SER ALA LEU SER LYS ASP SEQRES 17 A 236 PRO ASN GLU LYS ARG ASP HIS MET VAL LEU LEU GLU PHE SEQRES 18 A 236 VAL THR ALA ALA GLY ILE THR HIS GLY MET ASP GLU LEU SEQRES 19 A 236 TYR LYS MODRES 2YFP CR2 A 66 GLY MODRES 2YFP CR2 A 66 TYR MODRES 2YFP CR2 A 66 GLY HET CR2 A 66 19 HETNAM CR2 {(4Z)-2-(AMINOMETHYL)-4-[(4-HYDROXYPHENYL)METHYLIDENE]- HETNAM 2 CR2 5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1-YL}ACETIC ACID HETSYN CR2 CHROMOPHORE (GLY-TYR-GLY) FORMUL 1 CR2 C13 H13 N3 O4 FORMUL 2 HOH *30(H2 O) HELIX 1 1 GLU A 5 PHE A 8 5 4 HELIX 2 2 TRP A 57 THR A 59 5 3 HELIX 3 3 GLN A 69 PHE A 71 5 3 HELIX 4 4 ASP A 76 HIS A 81 5 6 HELIX 5 5 PHE A 83 SER A 86 1 4 SHEET 1 A12 HIS A 25 ASP A 36 0 SHEET 2 A12 VAL A 11 VAL A 22 -1 N VAL A 22 O HIS A 25 SHEET 3 A12 THR A 118 ILE A 128 1 N LEU A 119 O LEU A 15 SHEET 4 A12 ASN A 105 GLU A 115 -1 N GLU A 115 O THR A 118 SHEET 5 A12 TYR A 92 PHE A 100 -1 N ILE A 98 O TYR A 106 SHEET 6 A12 VAL A 176 PRO A 187 -1 N THR A 186 O VAL A 93 SHEET 7 A12 GLY A 160 ASN A 170 -1 N HIS A 169 O GLN A 177 SHEET 8 A12 GLY A 148 ASP A 155 -1 N ASP A 155 O GLY A 160 SHEET 9 A12 HIS A 199 SER A 208 -1 N TYR A 203 O GLY A 148 SHEET 10 A12 HIS A 217 ALA A 227 -1 N ALA A 227 O TYR A 200 SHEET 11 A12 LYS A 41 CYS A 48 -1 N PHE A 46 O MET A 218 SHEET 12 A12 VAL A 29 ASP A 36 -1 N ASP A 36 O LYS A 41 LINK C PHE A 64 N1 CR2 A 66 1555 1555 1.31 LINK C3 CR2 A 66 N LEU A 68 1555 1555 1.32 CISPEP 1 MET A 88 PRO A 89 0 -1.17 CRYST1 51.994 62.756 69.929 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 0.019233 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015935 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014300 0.00000