HEADER FLUORESCENT PROTEIN 02-OCT-19 6L26 TITLE NEUTRON CRYSTAL STRUCTURE OF THE MUTANT GREEN FLUORESCENT PROTEIN TITLE 2 (EGFP) COMPND MOL_ID: 1; COMPND 2 MOLECULE: GREEN FLUORESCENT PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: THE AMINO ACIDS OF TYG ARE PROCESSED TO CHROMOPHORE AS COMPND 6 CRO BY POST-TRANSLATIONAL REACTION. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NICOTIANA BENTHAMIANA; SOURCE 3 ORGANISM_TAXID: 4100; SOURCE 4 GENE: GFP; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS GFP, MUTANT, RECOMBINANT, FLUORESCENT PROTEIN EXPDTA NEUTRON DIFFRACTION AUTHOR M.ADACHI,R.SHIMIZU,C.SHIBAZAKI,Y.KAGOTANI,A.OSTERMANN,T.E.SCHRADER REVDAT 3 22-NOV-23 6L26 1 REMARK REVDAT 2 09-JUN-21 6L26 1 FORMUL REVDAT 1 08-APR-20 6L26 0 JRNL AUTH C.SHIBAZAKI,R.SHIMIZU,Y.KAGOTANI,A.OSTERMANN,T.E.SCHRADER, JRNL AUTH 2 M.ADACHI JRNL TITL DIRECT OBSERVATION OF THE PROTONATION STATES IN THE MUTANT JRNL TITL 2 GREEN FLUORESCENT PROTEIN. JRNL REF J PHYS CHEM LETT V. 11 492 2020 JRNL REFN ESSN 1948-7185 JRNL PMID 31880458 JRNL DOI 10.1021/ACS.JPCLETT.9B03252 REMARK 2 REMARK 2 RESOLUTION. 1.44 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.44 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.76 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.7 REMARK 3 NUMBER OF REFLECTIONS : 35540 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1777 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 24.7640 - 3.3931 0.96 3008 158 0.1684 0.1756 REMARK 3 2 3.3931 - 2.6943 0.96 2863 150 0.1682 0.1948 REMARK 3 3 2.6943 - 2.3540 0.90 2679 141 0.1810 0.2248 REMARK 3 4 2.3540 - 2.1389 0.89 2595 137 0.1688 0.2011 REMARK 3 5 2.1389 - 1.9857 0.92 2673 140 0.1618 0.1905 REMARK 3 6 1.9857 - 1.8687 0.93 2707 143 0.1483 0.1978 REMARK 3 7 1.8687 - 1.7751 0.92 2681 141 0.1540 0.2100 REMARK 3 8 1.7751 - 1.6978 0.91 2646 140 0.1521 0.2068 REMARK 3 9 1.6978 - 1.6325 0.90 2581 136 0.1545 0.2042 REMARK 3 10 1.6325 - 1.5762 0.88 2551 134 0.1708 0.2201 REMARK 3 11 1.5762 - 1.5269 0.84 2427 128 0.1790 0.2260 REMARK 3 12 1.5269 - 1.4833 0.81 2316 122 0.1913 0.2412 REMARK 3 13 1.4833 - 1.4442 0.70 2036 107 0.2211 0.2679 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.070 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 15.370 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.012 4709 REMARK 3 ANGLE : 1.389 7567 REMARK 3 CHIRALITY : 0.094 281 REMARK 3 PLANARITY : 0.008 784 REMARK 3 DIHEDRAL : 16.834 1087 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6L26 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-OCT-19. REMARK 100 THE DEPOSITION ID IS D_1300013908. REMARK 230 REMARK 230 EXPERIMENTAL DETAILS REMARK 230 EXPERIMENT TYPE : NEUTRON DIFFRACTION REMARK 230 DATE OF DATA COLLECTION : 14-NOV-17 REMARK 230 TEMPERATURE (KELVIN) : 100.0 REMARK 230 PH : NULL REMARK 230 NUMBER OF CRYSTALS USED : 1 REMARK 230 REMARK 230 NEUTRON SOURCE : NUCLEAR REACTOR REMARK 230 BEAMLINE : BIODIFF REMARK 230 WAVELENGTH OR RANGE (A) : 2.668 REMARK 230 MONOCHROMATOR : NULL REMARK 230 OPTICS : NULL REMARK 230 REMARK 230 DETECTOR TYPE : IMAGE PLATE REMARK 230 DETECTOR MANUFACTURER : BIODIFF REMARK 230 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 230 DATA SCALING SOFTWARE : SCALEPACK REMARK 230 REMARK 230 NUMBER OF UNIQUE REFLECTIONS : 90310 REMARK 230 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 230 RESOLUTION RANGE LOW (A) : 24.800 REMARK 230 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 230 REMARK 230 OVERALL. REMARK 230 COMPLETENESS FOR RANGE (%) : 88.9 REMARK 230 DATA REDUNDANCY : 2.500 REMARK 230 R MERGE (I) : 0.09800 REMARK 230 R SYM (I) : NULL REMARK 230 FOR THE DATA SET : 7.9000 REMARK 230 REMARK 230 IN THE HIGHEST RESOLUTION SHELL. REMARK 230 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 230 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.49 REMARK 230 COMPLETENESS FOR SHELL (%) : 73.8 REMARK 230 DATA REDUNDANCY IN SHELL : 1.90 REMARK 230 R MERGE FOR SHELL (I) : 0.17700 REMARK 230 R SYM FOR SHELL (I) : NULL REMARK 230 FOR SHELL : 1.900 REMARK 230 REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 230 SOFTWARE USED : PHENIX REMARK 230 STARTING MODEL: 2WUR REMARK 230 REMARK 230 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MES-NAOD (PD 7.0), 5.0 % W/V PEG REMARK 280 2000 AND 50 MM NDSB, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 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 25.42850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.60100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.08000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.60100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.42850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.08000 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 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 D3 D3O A 300 O DOD A 596 1.56 REMARK 500 DZ1 LYS A 79 O DOD A 412 1.57 REMARK 500 D1 DOD A 514 O DOD A 529 1.58 REMARK 500 DE2 HIS A 77 O ILE A 229 1.58 REMARK 500 O DOD A 496 D2 DOD A 578 1.59 REMARK 500 O DOD A 600 D2 DOD A 629 1.59 REMARK 500 OE1 GLU A 5 O DOD A 467 1.91 REMARK 500 ND2 ASN A 105 O DOD A 361 1.92 REMARK 500 O DOD A 486 O DOD A 594 2.05 REMARK 500 O DOD A 367 O DOD A 557 2.10 REMARK 500 OD1 ASP A 117 O DOD A 491 2.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O DOD A 485 O DOD A 502 4455 1.98 REMARK 500 O DOD A 591 O DOD A 610 4455 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 17 CD GLU A 17 OE1 -0.099 REMARK 500 GLU A 17 CD GLU A 17 OE2 0.071 REMARK 500 GLU A 222 CD GLU A 222 OE1 -0.066 REMARK 500 GLU A 222 CD GLU A 222 OE2 0.075 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 THR A 50 -115.42 -125.24 REMARK 500 ASP A 103 -158.56 -153.13 REMARK 500 GLN A 159 54.22 -68.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 DOD A 565 DISTANCE = 6.57 ANGSTROMS REMARK 525 DOD A 614 DISTANCE = 6.74 ANGSTROMS REMARK 525 DOD A 621 DISTANCE = 7.20 ANGSTROMS REMARK 525 DOD A 657 DISTANCE = 6.80 ANGSTROMS REMARK 525 DOD A 662 DISTANCE = 6.64 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue D3O A 300 REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE SER 66 HAS BEEN MUTATED TO THR 66. RESIDUES THR 66, TYR 67 REMARK 999 AND GLY 68 CONSTITUTE THE CHROMOPHORE CRO 66. DBREF 6L26 A 4 231 UNP W6KDG8 W6KDG8_NICBE 4 231 SEQADV 6L26 MET A 3 UNP W6KDG8 INITIATING METHIONINE SEQADV 6L26 SER A 48 UNP W6KDG8 CYS 48 CONFLICT SEQADV 6L26 LEU A 64 UNP W6KDG8 PHE 64 CONFLICT SEQADV 6L26 CRO A 66 UNP W6KDG8 SER 65 CHROMOPHORE SEQADV 6L26 CRO A 66 UNP W6KDG8 TYR 66 CHROMOPHORE SEQADV 6L26 CRO A 66 UNP W6KDG8 GLY 67 CHROMOPHORE SEQADV 6L26 GLN A 159 UNP W6KDG8 ASN 159 CONFLICT SEQADV 6L26 THR A 167 UNP W6KDG8 ILE 167 CONFLICT SEQRES 1 A 227 MET GLY GLU GLU LEU PHE THR GLY VAL VAL PRO ILE LEU SEQRES 2 A 227 VAL GLU LEU ASP GLY ASP VAL ASN GLY HIS LYS PHE SER SEQRES 3 A 227 VAL SER GLY GLU GLY GLU GLY ASP ALA THR TYR GLY LYS SEQRES 4 A 227 LEU THR LEU LYS PHE ILE SER THR THR GLY LYS LEU PRO SEQRES 5 A 227 VAL PRO TRP PRO THR LEU VAL THR THR LEU CRO VAL GLN SEQRES 6 A 227 CYS PHE SER ARG TYR PRO ASP HIS MET LYS ARG HIS ASP SEQRES 7 A 227 PHE PHE LYS SER ALA MET PRO GLU GLY TYR VAL GLN GLU SEQRES 8 A 227 ARG THR ILE PHE PHE LYS ASP ASP GLY ASN TYR LYS THR SEQRES 9 A 227 ARG ALA GLU VAL LYS PHE GLU GLY ASP THR LEU VAL ASN SEQRES 10 A 227 ARG ILE GLU LEU LYS GLY ILE ASP PHE LYS GLU ASP GLY SEQRES 11 A 227 ASN ILE LEU GLY HIS LYS LEU GLU TYR ASN TYR ASN SER SEQRES 12 A 227 HIS ASN VAL TYR ILE MET ALA ASP LYS GLN LYS GLN GLY SEQRES 13 A 227 ILE LYS VAL ASN PHE LYS THR ARG HIS ASN ILE GLU ASP SEQRES 14 A 227 GLY SER VAL GLN LEU ALA ASP HIS TYR GLN GLN ASN THR SEQRES 15 A 227 PRO ILE GLY ASP GLY PRO VAL LEU LEU PRO ASP ASN HIS SEQRES 16 A 227 TYR LEU SER THR GLN SER ALA LEU SER LYS ASP PRO ASN SEQRES 17 A 227 GLU LYS ARG ASP HIS MET VAL LEU LEU GLU PHE VAL THR SEQRES 18 A 227 ALA ALA GLY ILE THR HIS MODRES 6L26 CRO A 66 SER CHROMOPHORE MODRES 6L26 CRO A 66 TYR CHROMOPHORE MODRES 6L26 CRO A 66 GLY CHROMOPHORE HET CRO A 66 44 HET D3O A 300 4 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 HETNAM D3O TRIDEUTERIOOXIDANIUM HETSYN CRO PEPTIDE DERIVED CHROMOPHORE HETSYN D3O PERDEUTERATED OXONIUM FORMUL 1 CRO C15 H17 N3 O5 FORMUL 2 D3O D3 O 1+ FORMUL 3 DOD *372(D2 O) HELIX 1 AA1 GLY A 4 THR A 9 5 6 HELIX 2 AA2 ALA A 37 TYR A 39 5 3 HELIX 3 AA3 PRO A 56 VAL A 61 5 6 HELIX 4 AA4 VAL A 68 SER A 72 5 5 HELIX 5 AA5 PRO A 75 HIS A 81 5 7 HELIX 6 AA6 ASP A 82 ALA A 87 1 6 SHEET 1 AA112 VAL A 12 VAL A 22 0 SHEET 2 AA112 HIS A 25 ASP A 36 -1 O PHE A 27 N GLY A 20 SHEET 3 AA112 LYS A 41 SER A 48 -1 O LYS A 41 N ASP A 36 SHEET 4 AA112 HIS A 217 ALA A 227 -1 O MET A 218 N PHE A 46 SHEET 5 AA112 HIS A 199 SER A 208 -1 N SER A 202 O THR A 225 SHEET 6 AA112 ASN A 149 ALA A 154 -1 N ILE A 152 O HIS A 199 SHEET 7 AA112 ILE A 161 ASN A 170 -1 O LYS A 162 N MET A 153 SHEET 8 AA112 VAL A 176 PRO A 187 -1 O HIS A 181 N PHE A 165 SHEET 9 AA112 TYR A 92 PHE A 100 -1 N VAL A 93 O THR A 186 SHEET 10 AA112 ASN A 105 GLU A 115 -1 O TYR A 106 N ILE A 98 SHEET 11 AA112 THR A 118 ILE A 128 -1 O VAL A 120 N LYS A 113 SHEET 12 AA112 VAL A 12 VAL A 22 1 N ASP A 21 O GLY A 127 LINK C LEU A 64 N1 CRO A 66 1555 1555 1.34 LINK C3 CRO A 66 N VAL A 68 1555 1555 1.32 CISPEP 1 MET A 88 PRO A 89 0 9.29 SITE 1 AC1 3 GLU A 17 DOD A 336 DOD A 596 CRYST1 50.857 62.160 69.202 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 0.019663 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016088 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014450 0.00000