HEADER FLUORESCENT PROTEIN 21-JUL-22 8AHB TITLE RSEGFP2 PHOTOSWITCHED TO ITS OFF-STATE AT ROOM TEMPERATURE AND BACK- TITLE 2 SWITCHED TO ITS ON-STATE AT 100K COMPND MOL_ID: 1; COMPND 2 MOLECULE: GREEN FLUORESCENT PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: 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 BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS RSFP, SWITCHABLE, PTFP, RSEGFP2, FLUORESCENT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.MANTOVANELLI,V.ADAM REVDAT 2 07-FEB-24 8AHB 1 REMARK REVDAT 1 19-JUL-23 8AHB 0 JRNL AUTH A.M.R.MANTOVANELLI,O.GLUSHONKOV,V.ADAM,J.WULFFELE,D.THEDIE, JRNL AUTH 2 M.BYRDIN,I.GREGOR,O.NEVSKYI,J.ENDERLEIN,D.BOURGEOIS JRNL TITL PHOTOPHYSICAL STUDIES AT CRYOGENIC TEMPERATURE REVEAL A JRNL TITL 2 NOVEL PHOTOSWITCHING MECHANISM OF RSEGFP2. JRNL REF J.AM.CHEM.SOC. V. 145 14636 2023 JRNL REFN ESSN 1520-5126 JRNL PMID 37389576 JRNL DOI 10.1021/JACS.3C01500 REMARK 2 REMARK 2 RESOLUTION. 1.79 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.79 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.44 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 40445 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 2014 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) : 1.79 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.84 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2496 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.27 REMARK 3 BIN R VALUE (WORKING SET) : 0.4939 REMARK 3 BIN FREE R VALUE SET COUNT : 131 REMARK 3 BIN FREE R VALUE : 0.4775 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1885 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 88 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.59 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.37 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.362 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; NULL ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.10 REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8AHB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-JUL-22. REMARK 100 THE DEPOSITION ID IS D_1292124198. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-FEB-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID30B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9763 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE, POINTLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 254080 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.790 REMARK 200 RESOLUTION RANGE LOW (A) : 46.440 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 11.80 REMARK 200 R MERGE (I) : 0.12680 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.8700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.79 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.4 REMARK 200 DATA REDUNDANCY IN SHELL : 7.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.450 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP 11.7.03 REMARK 200 STARTING MODEL: 5DTY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM HEPES BUFFER, PH 8.1 1.9 M REMARK 280 AMMONIUM SULFATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 25.83400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.22250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.87950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.22250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.83400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.87950 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1410 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10950 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -60.0 KCAL/MOL 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 -12 REMARK 465 ARG A -11 REMARK 465 GLY A -10 REMARK 465 SER A -9 REMARK 465 HIS A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 MET A 234 REMARK 465 ASP A 235 REMARK 465 GLU A 236 REMARK 465 LEU A 237 REMARK 465 TYR A 238 REMARK 465 LYS A 239 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 482 O HOH A 485 2.09 REMARK 500 O HOH A 476 O HOH A 485 2.11 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 104 -153.59 -149.45 REMARK 500 REMARK 500 REMARK: NULL DBREF 8AHB A 1 239 UNP P42212 GFP_AEQVI 1 238 SEQADV 8AHB MET A -12 UNP P42212 INITIATING METHIONINE SEQADV 8AHB ARG A -11 UNP P42212 EXPRESSION TAG SEQADV 8AHB GLY A -10 UNP P42212 EXPRESSION TAG SEQADV 8AHB SER A -9 UNP P42212 EXPRESSION TAG SEQADV 8AHB HIS A -8 UNP P42212 EXPRESSION TAG SEQADV 8AHB HIS A -7 UNP P42212 EXPRESSION TAG SEQADV 8AHB HIS A -6 UNP P42212 EXPRESSION TAG SEQADV 8AHB HIS A -5 UNP P42212 EXPRESSION TAG SEQADV 8AHB HIS A -4 UNP P42212 EXPRESSION TAG SEQADV 8AHB HIS A -3 UNP P42212 EXPRESSION TAG SEQADV 8AHB THR A -2 UNP P42212 EXPRESSION TAG SEQADV 8AHB ASP A -1 UNP P42212 EXPRESSION TAG SEQADV 8AHB PRO A 0 UNP P42212 EXPRESSION TAG SEQADV 8AHB VAL A 2 UNP P42212 INSERTION SEQADV 8AHB LEU A 65 UNP P42212 PHE 64 ENGINEERED MUTATION SEQADV 8AHB PIA A 68 UNP P42212 SER 65 CHROMOPHORE SEQADV 8AHB PIA A 68 UNP P42212 TYR 66 CHROMOPHORE SEQADV 8AHB PIA A 68 UNP P42212 GLY 67 CHROMOPHORE SEQADV 8AHB LEU A 70 UNP P42212 GLN 69 ENGINEERED MUTATION SEQADV 8AHB SER A 164 UNP P42212 VAL 163 ENGINEERED MUTATION SEQADV 8AHB LYS A 207 UNP P42212 ALA 206 ENGINEERED MUTATION SEQADV 8AHB LEU A 232 UNP P42212 HIS 231 ENGINEERED MUTATION SEQRES 1 A 250 MET ARG GLY SER HIS HIS HIS HIS HIS HIS THR ASP PRO SEQRES 2 A 250 MET VAL SER LYS GLY GLU GLU LEU PHE THR GLY VAL VAL SEQRES 3 A 250 PRO ILE LEU VAL GLU LEU ASP GLY ASP VAL ASN GLY HIS SEQRES 4 A 250 LYS PHE SER VAL SER GLY GLU GLY GLU GLY ASP ALA THR SEQRES 5 A 250 TYR GLY LYS LEU THR LEU LYS PHE ILE CYS THR THR GLY SEQRES 6 A 250 LYS LEU PRO VAL PRO TRP PRO THR LEU VAL THR THR LEU SEQRES 7 A 250 PIA VAL LEU CYS PHE SER ARG TYR PRO ASP HIS MET LYS SEQRES 8 A 250 GLN HIS ASP PHE PHE LYS SER ALA MET PRO GLU GLY TYR SEQRES 9 A 250 VAL GLN GLU ARG THR ILE PHE PHE LYS ASP ASP GLY ASN SEQRES 10 A 250 TYR LYS THR ARG ALA GLU VAL LYS PHE GLU GLY ASP THR SEQRES 11 A 250 LEU VAL ASN ARG ILE GLU LEU LYS GLY ILE ASP PHE LYS SEQRES 12 A 250 GLU ASP GLY ASN ILE LEU GLY HIS LYS LEU GLU TYR ASN SEQRES 13 A 250 TYR ASN SER HIS ASN VAL TYR ILE MET ALA ASP LYS GLN SEQRES 14 A 250 LYS ASN GLY ILE LYS SER ASN PHE LYS ILE ARG HIS ASN SEQRES 15 A 250 ILE GLU ASP GLY SER VAL GLN LEU ALA ASP HIS TYR GLN SEQRES 16 A 250 GLN ASN THR PRO ILE GLY ASP GLY PRO VAL LEU LEU PRO SEQRES 17 A 250 ASP ASN HIS TYR LEU SER THR GLN SER LYS LEU SER LYS SEQRES 18 A 250 ASP PRO ASN GLU LYS ARG ASP HIS MET VAL LEU LEU GLU SEQRES 19 A 250 PHE VAL THR ALA ALA GLY ILE THR LEU GLY MET ASP GLU SEQRES 20 A 250 LEU TYR LYS MODRES 8AHB PIA A 68 SER CHROMOPHORE MODRES 8AHB PIA A 68 TYR CHROMOPHORE MODRES 8AHB PIA A 68 GLY CHROMOPHORE HET PIA A 68 20 HET SO4 A 301 5 HET SO4 A 302 5 HET SO4 A 303 5 HET SO4 A 304 5 HETNAM PIA [(4Z)-2-[(1S)-1-AMINOETHYL]-4-(4-HYDROXYBENZYLIDENE)-5- HETNAM 2 PIA OXO-4,5-DIHYDRO-1H-IMIDAZOL-1-YL]ACETIC ACID HETNAM SO4 SULFATE ION FORMUL 1 PIA C14 H15 N3 O4 FORMUL 2 SO4 4(O4 S 2-) FORMUL 6 HOH *88(H2 O) HELIX 1 AA1 ASP A -1 PHE A 9 1 11 HELIX 2 AA2 ALA A 38 TYR A 40 5 3 HELIX 3 AA3 PRO A 57 VAL A 62 5 6 HELIX 4 AA4 VAL A 69 SER A 73 5 5 HELIX 5 AA5 PRO A 76 HIS A 82 5 7 HELIX 6 AA6 ASP A 83 ALA A 88 1 6 HELIX 7 AA7 LYS A 157 ASN A 160 5 4 SHEET 1 AA112 VAL A 13 VAL A 23 0 SHEET 2 AA112 HIS A 26 ASP A 37 -1 O PHE A 28 N GLY A 21 SHEET 3 AA112 LYS A 42 CYS A 49 -1 O LYS A 42 N ASP A 37 SHEET 4 AA112 HIS A 218 ALA A 228 -1 O LEU A 221 N LEU A 45 SHEET 5 AA112 HIS A 200 SER A 209 -1 N SER A 203 O THR A 226 SHEET 6 AA112 HIS A 149 ASP A 156 -1 N ILE A 153 O HIS A 200 SHEET 7 AA112 GLY A 161 ASN A 171 -1 O GLY A 161 N ASP A 156 SHEET 8 AA112 VAL A 177 PRO A 188 -1 O HIS A 182 N PHE A 166 SHEET 9 AA112 TYR A 93 PHE A 101 -1 N VAL A 94 O THR A 187 SHEET 10 AA112 ASN A 106 GLU A 116 -1 O TYR A 107 N ILE A 99 SHEET 11 AA112 THR A 119 ILE A 129 -1 O VAL A 121 N LYS A 114 SHEET 12 AA112 VAL A 13 VAL A 23 1 N ASP A 22 O GLY A 128 LINK C LEU A 65 N1 PIA A 68 1555 1555 1.43 LINK C3 PIA A 68 N VAL A 69 1555 1555 1.43 CISPEP 1 MET A 89 PRO A 90 0 2.63 CRYST1 51.668 61.759 70.445 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 0.019354 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016192 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014195 0.00000