HEADER LUMINESCENT PROTEIN 01-SEP-05 2AWL TITLE MATURE R96K GFP MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: GREEN FLUORESCENT PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1-229; COMPND 5 ENGINEERED: YES; COMPND 6 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: BL21/DE3 PRIL; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS GFP CHROMOPHORE BARREL R96K, LUMINESCENT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.I.WOOD,D.P.BARONDEAU,C.HITOMI,C.J.KASSMANN,J.A.TAINER,E.D.GETZOFF REVDAT 6 15-NOV-23 2AWL 1 REMARK REVDAT 5 23-AUG-23 2AWL 1 REMARK REVDAT 4 20-OCT-21 2AWL 1 REMARK SEQADV LINK REVDAT 3 30-JUN-09 2AWL 1 DBREF SEQADV REVDAT 2 24-FEB-09 2AWL 1 VERSN REVDAT 1 18-APR-06 2AWL 0 JRNL AUTH T.I.WOOD,D.P.BARONDEAU,C.HITOMI,C.J.KASSMANN,J.A.TAINER, JRNL AUTH 2 E.D.GETZOFF JRNL TITL DEFINING THE ROLE OF ARGININE 96 IN GREEN FLUORESCENT JRNL TITL 2 PROTEIN FLUOROPHORE BIOSYNTHESIS. JRNL REF BIOCHEMISTRY V. 44 16211 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 16331981 JRNL DOI 10.1021/BI051388J REMARK 2 REMARK 2 RESOLUTION. 1.85 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 94.9 REMARK 3 NUMBER OF REFLECTIONS : 19117 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) : 0.212 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 926 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2640 REMARK 3 BIN FREE R VALUE : 0.3200 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 138 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.027 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1791 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 320 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.04000 REMARK 3 B22 (A**2) : -4.40000 REMARK 3 B33 (A**2) : 8.43000 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) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.18 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.390 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) : 1.240 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.810 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.020 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.830 ; 2.500 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 2AWL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-SEP-05. REMARK 100 THE DEPOSITION ID IS D_1000034399. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : FLAT MIRROR (VERTICAL FOCUSING); REMARK 200 SINGLE CRYSTAL SI(311) BENT REMARK 200 MONOCHROMATOR (HORIZONTAL REMARK 200 FOCUSING) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19979 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.800 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09000 REMARK 200 FOR THE DATA SET : 12.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.36100 REMARK 200 FOR SHELL : 3.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1EMA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, MAGNESIUM CHLORIDE, HEPES, PH REMARK 280 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 25.54500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.76000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.21000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.76000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.54500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.21000 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 ALA A 1A REMARK 465 SER A 2 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 CYS A 48 CB SG 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 1126 O HOH A 1275 1.93 REMARK 500 O HOH A 1046 O HOH A 1302 1.95 REMARK 500 OE1 GLU A 132 O HOH A 1221 1.97 REMARK 500 CE LYS A 52 O HOH A 1132 2.15 REMARK 500 O HOH A 1064 O HOH A 1278 2.16 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 HOH A 1189 O HOH A 1217 4555 1.83 REMARK 500 OE2 GLU A 132 O HOH A 1311 4465 2.01 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 THR A 49 C THR A 50 N -0.156 REMARK 500 TYR A 106 C LYS A 107 N 0.184 REMARK 500 LYS A 107 C THR A 108 N 0.180 REMARK 500 GLU A 132 C ASP A 133 N -0.203 REMARK 500 ALA A 154 C ASP A 155 N 0.144 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 LYS A 107 O - C - N ANGL. DEV. = 11.0 DEGREES REMARK 500 GLY A 228 C - N - CA ANGL. DEV. = -16.2 DEGREES 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 A 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1314 O REMARK 620 2 HOH A1315 O 171.4 REMARK 620 3 HOH A1316 O 87.5 98.4 REMARK 620 4 HOH A1317 O 82.9 90.6 169.4 REMARK 620 5 HOH A1318 O 82.6 92.0 83.3 90.8 REMARK 620 6 HOH A1319 O 97.4 88.8 90.2 95.6 173.5 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 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2AWJ RELATED DB: PDB REMARK 900 RELATED ID: 2AWK RELATED DB: PDB REMARK 900 RELATED ID: 2AWM RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE SER A 65 IS MUTATED TO THR A 65. REMARK 999 THR A 65, TYR A 66 AND GLY A 67 ARE REMARK 999 MODIFIED TO MAKE CHROMOPHORE (CRO A 66). DBREF 2AWL A 1 229 UNP P42212 GFP_AEQVI 1 229 SEQADV 2AWL ALA A 1A UNP P42212 EXPRESSION TAG SEQADV 2AWL LEU A 64 UNP P42212 PHE 64 ENGINEERED MUTATION SEQADV 2AWL CRO A 66 UNP P42212 SER 65 CHROMOPHORE SEQADV 2AWL CRO A 66 UNP P42212 TYR 66 CHROMOPHORE SEQADV 2AWL CRO A 66 UNP P42212 GLY 67 CHROMOPHORE SEQADV 2AWL LYS A 96 UNP P42212 ARG 96 ENGINEERED MUTATION SEQADV 2AWL SER A 99 UNP P42212 PHE 99 ENGINEERED MUTATION SEQADV 2AWL THR A 153 UNP P42212 MET 153 ENGINEERED MUTATION SEQADV 2AWL ALA A 163 UNP P42212 VAL 163 ENGINEERED MUTATION SEQRES 1 A 228 MET ALA SER LYS GLY GLU GLU LEU PHE THR GLY VAL VAL SEQRES 2 A 228 PRO ILE LEU VAL GLU LEU ASP GLY ASP VAL ASN GLY HIS SEQRES 3 A 228 LYS PHE SER VAL SER GLY GLU GLY GLU GLY ASP ALA THR SEQRES 4 A 228 TYR GLY LYS LEU THR LEU LYS PHE ILE CYS THR THR GLY SEQRES 5 A 228 LYS LEU PRO VAL PRO TRP PRO THR LEU VAL THR THR LEU SEQRES 6 A 228 CRO VAL GLN CYS PHE SER ARG TYR PRO ASP HIS MET LYS SEQRES 7 A 228 GLN HIS ASP PHE PHE LYS SER ALA MET PRO GLU GLY TYR SEQRES 8 A 228 VAL GLN GLU LYS THR ILE SER PHE LYS ASP ASP GLY ASN SEQRES 9 A 228 TYR LYS THR ARG ALA GLU VAL LYS PHE GLU GLY ASP THR SEQRES 10 A 228 LEU VAL ASN ARG ILE GLU LEU LYS GLY ILE ASP PHE LYS SEQRES 11 A 228 GLU ASP GLY ASN ILE LEU GLY HIS LYS LEU GLU TYR ASN SEQRES 12 A 228 TYR ASN SER HIS ASN VAL TYR ILE THR ALA ASP LYS GLN SEQRES 13 A 228 LYS ASN GLY ILE LYS ALA ASN PHE LYS ILE ARG HIS ASN SEQRES 14 A 228 ILE GLU ASP GLY SER VAL GLN LEU ALA ASP HIS TYR GLN SEQRES 15 A 228 GLN ASN THR PRO ILE GLY ASP GLY PRO VAL LEU LEU PRO SEQRES 16 A 228 ASP ASN HIS TYR LEU SER THR GLN SER ALA LEU SER LYS SEQRES 17 A 228 ASP PRO ASN GLU LYS ARG ASP HIS MET VAL LEU LEU GLU SEQRES 18 A 228 PHE VAL THR ALA ALA GLY ILE MODRES 2AWL CRO A 66 GLY MODRES 2AWL CRO A 66 TYR MODRES 2AWL CRO A 66 GLY HET CRO A 66 22 HET MG A 301 1 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 MG MAGNESIUM ION HETSYN CRO PEPTIDE DERIVED CHROMOPHORE FORMUL 1 CRO C15 H17 N3 O5 FORMUL 2 MG MG 2+ FORMUL 3 HOH *320(H2 O) HELIX 1 1 LYS A 3 THR A 9 5 7 HELIX 2 2 PRO A 56 VAL A 61 5 6 HELIX 3 3 VAL A 68 SER 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 SHEET 1 A12 VAL A 12 VAL A 22 0 SHEET 2 A12 HIS A 25 ASP A 36 -1 O GLY A 31 N VAL A 16 SHEET 3 A12 LYS A 41 CYS A 48 -1 O LYS A 45 N GLU A 32 SHEET 4 A12 HIS A 217 ALA A 227 -1 O LEU A 220 N LEU A 44 SHEET 5 A12 HIS A 199 SER A 208 -1 N SER A 202 O THR A 225 SHEET 6 A12 HIS A 148 ASP A 155 -1 N HIS A 148 O THR 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 O GLN A 183 N ALA A 163 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 VAL A 120 N LYS A 113 SHEET 12 A12 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 1.31 LINK MG MG A 301 O HOH A1314 1555 1555 2.28 LINK MG MG A 301 O HOH A1315 1555 1555 2.01 LINK MG MG A 301 O HOH A1316 1555 1555 2.11 LINK MG MG A 301 O HOH A1317 1555 1555 2.09 LINK MG MG A 301 O HOH A1318 1555 1555 2.16 LINK MG MG A 301 O HOH A1319 1555 1555 2.15 CISPEP 1 MET A 88 PRO A 89 0 0.35 SITE 1 AC1 6 HOH A1314 HOH A1315 HOH A1316 HOH A1317 SITE 2 AC1 6 HOH A1318 HOH A1319 CRYST1 51.090 62.420 71.520 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 0.019573 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016021 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013982 0.00000