HEADER LUMINESCENT PROTEIN 01-SEP-05 2AWM TITLE GFP R96A CHROMOPHORE MATURATION RECOVERY MUTANT R96A Q183R 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: BL21/DE3 PRIL; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS GFP CHROMOPHORE RECOVERY MUTANT R96A Q183R, BARREL, LUMINESCENT KEYWDS 2 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 2AWM 1 REMARK REVDAT 5 23-AUG-23 2AWM 1 REMARK REVDAT 4 20-OCT-21 2AWM 1 REMARK SEQADV LINK REVDAT 3 30-JUN-09 2AWM 1 DBREF SEQADV REVDAT 2 24-FEB-09 2AWM 1 VERSN REVDAT 1 18-APR-06 2AWM 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. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.1 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.223 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.223 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1145 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1792 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 308 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 ANGLE DISTANCES (A) : 0.023 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2AWM 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_1000034400. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-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) : 0.984 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 : 24741 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.400 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05700 REMARK 200 FOR THE DATA SET : 18.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.35600 REMARK 200 FOR SHELL : 3.400 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 (%): 44.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 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 25.75500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.63000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.17000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.63000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.75500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.17000 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 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 1043 O HOH A 1272 1.79 REMARK 500 O HOH A 1135 O HOH A 1245 1.92 REMARK 500 OD1 ASP A 180 O HOH A 1277 1.95 REMARK 500 O ASP A 102 NZ LYS A 131 1.95 REMARK 500 O GLU A 132 O HOH A 1232 1.97 REMARK 500 OD2 ASP A 19 O HOH A 1037 2.05 REMARK 500 O HOH A 1047 O HOH A 1270 2.06 REMARK 500 O HOH A 1048 O HOH A 1244 2.18 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 1263 O HOH A 1309 4555 1.78 REMARK 500 O HOH A 1197 O HOH A 1296 3645 1.87 REMARK 500 O HOH A 1040 O HOH A 1286 2665 2.13 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 TYR A 106 CB - CG - CD1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG A 109 NE - CZ - NH1 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 183 NE - CZ - NH2 ANGL. DEV. = -4.2 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 ASP A 103 -157.33 -150.19 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 300 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1299 O REMARK 620 2 HOH A1300 O 92.3 REMARK 620 3 HOH A1301 O 91.5 92.5 REMARK 620 4 HOH A1302 O 82.1 169.9 96.0 REMARK 620 5 HOH A1303 O 173.3 94.3 86.7 91.6 REMARK 620 6 HOH A1304 O 90.3 86.0 177.7 85.7 91.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1305 O REMARK 620 2 HOH A1306 O 77.5 REMARK 620 3 HOH A1307 O 169.9 99.2 REMARK 620 4 HOH A1308 O 102.3 176.8 80.4 REMARK 620 5 HOH A1310 O 106.7 90.6 82.8 92.5 REMARK 620 N 1 2 3 4 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 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 302 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: 2AWL 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 2AWM A 1 229 UNP P42212 GFP_AEQVI 1 229 SEQADV 2AWM ALA A 1A UNP P42212 EXPRESSION TAG SEQADV 2AWM LEU A 64 UNP P42212 PHE 64 ENGINEERED MUTATION SEQADV 2AWM CRO A 66 UNP P42212 SER 65 CHROMOPHORE SEQADV 2AWM CRO A 66 UNP P42212 TYR 66 CHROMOPHORE SEQADV 2AWM CRO A 66 UNP P42212 GLY 67 CHROMOPHORE SEQADV 2AWM ALA A 96 UNP P42212 ARG 96 ENGINEERED MUTATION SEQADV 2AWM SER A 99 UNP P42212 PHE 99 ENGINEERED MUTATION SEQADV 2AWM THR A 153 UNP P42212 MET 153 ENGINEERED MUTATION SEQADV 2AWM ALA A 163 UNP P42212 VAL 163 ENGINEERED MUTATION SEQADV 2AWM ARG A 183 UNP P42212 GLN 183 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 ALA 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 ARG 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 2AWM CRO A 66 GLY MODRES 2AWM CRO A 66 TYR MODRES 2AWM CRO A 66 GLY HET CRO A 66 22 HET MG A 300 1 HET MG A 302 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 2(MG 2+) FORMUL 4 HOH *308(H2 O) HELIX 1 1 LYS A 3 THR A 9 5 7 HELIX 2 2 ALA A 37 TYR A 39 5 3 HELIX 3 3 PRO A 56 VAL A 61 5 6 HELIX 4 4 VAL A 68 SER A 72 5 5 HELIX 5 5 PRO A 75 HIS A 81 5 7 HELIX 6 6 ASP A 82 ALA A 87 1 6 HELIX 7 7 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 PHE A 27 N GLY A 20 SHEET 3 A12 LYS A 41 CYS A 48 -1 O ILE A 47 N SER A 30 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 VAL A 150 O LEU A 201 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 HIS A 181 N PHE A 165 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 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 300 O HOH A1299 1555 1555 2.21 LINK MG MG A 300 O HOH A1300 1555 1555 2.28 LINK MG MG A 300 O HOH A1301 1555 1555 2.12 LINK MG MG A 300 O HOH A1302 1555 1555 2.23 LINK MG MG A 300 O HOH A1303 1555 1555 2.28 LINK MG MG A 300 O HOH A1304 1555 1555 2.29 LINK MG MG A 302 O HOH A1305 1555 1555 2.31 LINK MG MG A 302 O HOH A1306 1555 1555 2.12 LINK MG MG A 302 O HOH A1307 1555 1555 2.34 LINK MG MG A 302 O HOH A1308 1555 1555 2.71 LINK MG MG A 302 O HOH A1310 1555 1555 2.46 CISPEP 1 MET A 88 PRO A 89 0 3.42 SITE 1 AC1 6 HOH A1299 HOH A1300 HOH A1301 HOH A1302 SITE 2 AC1 6 HOH A1303 HOH A1304 SITE 1 AC2 5 HOH A1305 HOH A1306 HOH A1307 HOH A1308 SITE 2 AC2 5 HOH A1310 CRYST1 51.510 62.340 71.260 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 0.019414 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016041 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014033 0.00000