HEADER LUMINESCENT PROTEIN 04-JAN-01 1HUY TITLE CRYSTAL STRUCTURE OF CITRINE, AN IMPROVED YELLOW VARIANT OF GREEN TITLE 2 FLUORESCENT PROTEIN 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 GENE: GFP; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM109(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PRSETB KEYWDS BETA BARREL, CHROMOPHORE, LUMINESCENT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR O.GRIESBECK,G.S.BAIRD,R.E.CAMPBELL,D.A.ZACHARIAS,R.Y.TSIEN REVDAT 8 15-NOV-23 1HUY 1 REMARK REVDAT 7 09-AUG-23 1HUY 1 REMARK REVDAT 6 27-OCT-21 1HUY 1 SEQADV LINK REVDAT 5 04-OCT-17 1HUY 1 REMARK REVDAT 4 19-MAY-09 1HUY 1 MODRES SEQADV REVDAT 3 24-FEB-09 1HUY 1 VERSN REVDAT 2 02-DEC-03 1HUY 3 AUTHOR JRNL REMARK MODRES REVDAT 2 2 3 HETSYN HETATM REVDAT 1 04-JUL-01 1HUY 0 JRNL AUTH O.GRIESBECK,G.S.BAIRD,R.E.CAMPBELL,D.A.ZACHARIAS,R.Y.TSIEN JRNL TITL REDUCING THE ENVIRONMENTAL SENSITIVITY OF YELLOW FLUORESCENT JRNL TITL 2 PROTEIN. MECHANISM AND APPLICATIONS JRNL REF J.BIOL.CHEM. V. 276 29188 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11387331 JRNL DOI 10.1074/JBC.M102815200 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1263802.300 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.4 REMARK 3 NUMBER OF REFLECTIONS : 11971 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) : 0.164 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.400 REMARK 3 FREE R VALUE TEST SET COUNT : 1240 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.28 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1018 REMARK 3 BIN R VALUE (WORKING SET) : 0.1950 REMARK 3 BIN FREE R VALUE : 0.2600 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 138 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1852 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 97 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.19000 REMARK 3 B22 (A**2) : -0.36000 REMARK 3 B33 (A**2) : 3.55000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.13 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.19 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.840 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) : 1.470 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.300 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.580 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.920 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.31 REMARK 3 BSOL : 32.57 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : CRO.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : CRO.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1HUY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JAN-01. REMARK 100 THE DEPOSITION ID IS D_1000012600. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-NOV-00 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 5.0 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) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12106 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 4.800 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.14400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 10.30 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 2YFP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MM NH4OAC, 50 MM NAOAC, 8% PEG REMARK 280 3400, PH 5.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 26.25200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.34200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.87900 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.34200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.25200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.87900 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 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 CRO A 66 CB1 CG1 OG1 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 LYS A 3 -72.10 -60.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE HET RESIDUE CRO IS FORMED FROM AN AUTOCATALYTIC REMARK 600 POST-TRANSLATIONAL CYCLIZATION, DEHYDRATION, AND OXIDATION REMARK 600 OF RESIDUES GLY 65, TYR 66, AND GLY 67, RESULTING IN A REMARK 600 COVALENTLY LINKED GREEN CHROMOPHORE. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1YFP RELATED DB: PDB REMARK 900 YELLOW VARIANT OF GREEN FLUORESCENT PROTEIN REMARK 900 RELATED ID: 2YFP RELATED DB: PDB REMARK 900 YELLOW VARIANT OF GREEN FLUORESCENT PROTEIN H148G REMARK 900 RELATED ID: 1F09 RELATED DB: PDB REMARK 900 YELLOW VARIANT OF GREEN FLUORESCENT PROTEIN WITH BOUND IODIDE H148Q REMARK 900 RELATED ID: 1F0B RELATED DB: PDB REMARK 900 YELLOW VARIANT OF GREEN FLUORESCENT PROTEIN H148Q REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES GLY65, TYR66, AND GLY67 ARE NOT PRESENT IN REMARK 999 THE ENTRY. INSTEAD THEY ARE REPLACED WITH CRO66. REMARK 999 THE GFP CHROMOPHORE (CRO) IS FORMED FROM CYCLIZATION REMARK 999 OF THE MAIN CHAIN OF RESIDUES GLY65, TYR66, AND GLY67. REMARK 999 A SUBSEQUENT OXIDATION OF THE TYR66 SIDE CHAIN YIELDS REMARK 999 THE MATURE CHROMOPHORE. REMARK 999 THE N-TERMINAL ADDITION OF AN ASP AND A PRO RESIDUE REMARK 999 RESULTS FROM ENTEROKINASE CATALYZED CLEAVAGE OF A HIS REMARK 999 TAG THAT FACILITATED PURIFICATION. REMARK 999 VAL 1A IS INSERTED TO IMPROVE EXPRESSION IN MAMMALIAN REMARK 999 SYSTEMS. DBREF 1HUY A 1 238 UNP P42212 GFP_AEQVI 1 238 SEQADV 1HUY ASP A -1 UNP P42212 SEE REMARK 999 SEQADV 1HUY PRO A 0 UNP P42212 SEE REMARK 999 SEQADV 1HUY VAL A 1A UNP P42212 SEE REMARK 999 SEQADV 1HUY CRO A 66 UNP P42212 SER 65 CHROMOPHORE SEQADV 1HUY CRO A 66 UNP P42212 TYR 66 CHROMOPHORE SEQADV 1HUY CRO A 66 UNP P42212 GLY 67 CHROMOPHORE SEQADV 1HUY LEU A 68 UNP P42212 VAL 68 ENGINEERED MUTATION SEQADV 1HUY MET A 69 UNP P42212 GLN 69 ENGINEERED MUTATION SEQADV 1HUY ALA A 72 UNP P42212 SER 72 ENGINEERED MUTATION SEQADV 1HUY ARG A 80 UNP P42212 GLN 80 CLONING ARTIFACT SEQADV 1HUY TYR A 203 UNP P42212 THR 203 ENGINEERED MUTATION SEQRES 1 A 239 ASP PRO MET VAL SER LYS GLY GLU GLU LEU PHE THR GLY SEQRES 2 A 239 VAL VAL PRO ILE LEU VAL GLU LEU ASP GLY ASP VAL ASN SEQRES 3 A 239 GLY HIS LYS PHE SER VAL SER GLY GLU GLY GLU GLY ASP SEQRES 4 A 239 ALA THR TYR GLY LYS LEU THR LEU LYS PHE ILE CYS THR SEQRES 5 A 239 THR GLY LYS LEU PRO VAL PRO TRP PRO THR LEU VAL THR SEQRES 6 A 239 THR PHE CRO LEU MET CYS PHE ALA ARG TYR PRO ASP HIS SEQRES 7 A 239 MET LYS ARG HIS ASP PHE PHE LYS SER ALA MET PRO GLU SEQRES 8 A 239 GLY TYR VAL GLN GLU ARG THR ILE PHE PHE LYS ASP ASP SEQRES 9 A 239 GLY ASN TYR LYS THR ARG ALA GLU VAL LYS PHE GLU GLY SEQRES 10 A 239 ASP THR LEU VAL ASN ARG ILE GLU LEU LYS GLY ILE ASP SEQRES 11 A 239 PHE LYS GLU ASP GLY ASN ILE LEU GLY HIS LYS LEU GLU SEQRES 12 A 239 TYR ASN TYR ASN SER HIS ASN VAL TYR ILE MET ALA ASP SEQRES 13 A 239 LYS GLN LYS ASN GLY ILE LYS VAL ASN PHE LYS ILE ARG SEQRES 14 A 239 HIS ASN ILE GLU ASP GLY SER VAL GLN LEU ALA ASP HIS SEQRES 15 A 239 TYR GLN GLN ASN THR PRO ILE GLY ASP GLY PRO VAL LEU SEQRES 16 A 239 LEU PRO ASP ASN HIS TYR LEU SER TYR GLN SER ALA LEU SEQRES 17 A 239 SER LYS ASP PRO ASN GLU LYS ARG ASP HIS MET VAL LEU SEQRES 18 A 239 LEU GLU PHE VAL THR ALA ALA GLY ILE THR HIS GLY MET SEQRES 19 A 239 ASP GLU LEU TYR LYS MODRES 1HUY CRO A 66 GLY MODRES 1HUY CRO A 66 TYR MODRES 1HUY CRO A 66 GLY HET CRO A 66 19 HETNAM CRO {2-[(1R,2R)-1-AMINO-2-HYDROXYPROPYL]-4-(4- HETNAM 2 CRO HYDROXYBENZYLIDENE)-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1- HETNAM 3 CRO YL}ACETIC ACID HETSYN CRO PEPTIDE DERIVED CHROMOPHORE FORMUL 1 CRO C15 H17 N3 O5 FORMUL 2 HOH *97(H2 O) HELIX 1 1 ASP A -1 PHE A 8 1 11 HELIX 2 2 PRO A 56 VAL A 61 5 6 HELIX 3 3 LEU A 68 ALA A 72 5 5 HELIX 4 4 PRO A 75 HIS A 81 5 7 HELIX 5 5 ASP A 82 ALA A 87 1 6 HELIX 6 6 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 HIS A 25 N VAL A 22 SHEET 3 A12 LYS A 41 CYS A 48 -1 O LYS A 41 N ASP A 36 SHEET 4 A12 HIS A 217 ALA A 227 -1 O MET A 218 N PHE A 46 SHEET 5 A12 HIS A 199 SER A 208 -1 O TYR A 200 N ALA A 227 SHEET 6 A12 HIS A 148 ASP A 155 -1 O HIS A 148 N TYR A 203 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 N GLN A 177 O HIS A 169 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 THR A 118 N GLU A 115 SHEET 12 A12 VAL A 12 VAL A 22 1 O PRO A 13 N LEU A 119 LINK C PHE A 64 N1 CRO A 66 1555 1555 1.33 LINK C3 CRO A 66 N LEU A 68 1555 1555 1.32 CISPEP 1 MET A 88 PRO A 89 0 0.27 CRYST1 52.504 61.758 70.684 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 0.019046 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016192 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014147 0.00000