HEADER LUMINESCENT PROTEIN 21-FEB-08 3CBE TITLE DEVELOPMENT OF A FAMILY OF REDOX-SENSITIVE GREEN FLUORESCENT PROTEIN TITLE 2 INDICATORS FOR USE IN RELATIVELY OXIDIZING SUBCELLULAR ENVIRONMENTS COMPND MOL_ID: 1; COMPND 2 MOLECULE: GREEN FLUORESCENT PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ROGFP1-IR; GFP; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AEQUOREA VICTORIA; SOURCE 3 ORGANISM_COMMON: JELLYFISH; SOURCE 4 ORGANISM_TAXID: 6100; SOURCE 5 GENE: GFP; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: DH5 ALPHA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PQE-30 KEYWDS GFP, REDOX, LUMINESCENT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.R.LOHMAN REVDAT 4 20-OCT-21 3CBE 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 3CBE 1 VERSN REVDAT 2 26-AUG-08 3CBE 1 DBREF REVDAT 1 19-AUG-08 3CBE 0 JRNL AUTH J.R.LOHMAN,S.J.REMINGTON JRNL TITL DEVELOPMENT OF A FAMILY OF REDOX-SENSITIVE GREEN FLUORESCENT JRNL TITL 2 PROTEIN INDICATORS FOR USE IN RELATIVELY OXIDIZING JRNL TITL 3 SUBCELLULAR ENVIRONMENTS JRNL REF BIOCHEMISTRY V. 47 8678 2008 JRNL REFN ISSN 0006-2960 JRNL PMID 18652491 JRNL DOI 10.1021/BI800498G REMARK 2 REMARK 2 RESOLUTION. 1.49 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.49 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 32005 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 + TEST SET) : 0.166 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1685 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.49 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.53 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2033 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.74 REMARK 3 BIN R VALUE (WORKING SET) : 0.2340 REMARK 3 BIN FREE R VALUE SET COUNT : 117 REMARK 3 BIN FREE R VALUE : 0.2910 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1809 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 239 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.47 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.10000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.11000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.101 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.075 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.050 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.997 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.967 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.962 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1885 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1276 ; 0.013 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2557 ; 1.478 ; 1.968 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3130 ; 0.843 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 239 ; 6.374 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 89 ;35.709 ;24.944 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 325 ;11.561 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ; 8.729 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 280 ; 0.081 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2112 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 375 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 286 ; 0.190 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1253 ; 0.202 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 852 ; 0.171 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1009 ; 0.109 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 174 ; 0.114 ; 0.200 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): 7 ; 0.138 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 37 ; 0.314 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 23 ; 0.106 ; 0.200 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): 1192 ; 1.011 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 472 ; 0.354 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1859 ; 1.467 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 802 ; 2.195 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 691 ; 3.103 ; 4.500 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): 3519 ; 0.999 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 240 ; 4.876 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 3113 ; 2.252 ; 3.000 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3CBE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-FEB-08. REMARK 100 THE DEPOSITION ID IS D_1000046572. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-AUG-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : SINGLE CRYSTAL, CYLINDRICALLY REMARK 200 BENT, SI(220) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41093 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.45 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS, 22% PEG 1550, 0.02M REMARK 280 MAGNESIUM CHLORIDE. AFTER CRYSTAL FORMATION TCEP ADDED TO 20MM., REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 25.48200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.44100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.11800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.44100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.48200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.11800 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 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 -10 REMARK 465 ARG A -9 REMARK 465 GLY A -8 REMARK 465 SER A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 GLY A 0 REMARK 465 SER A 1 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 CG1 REMARK 470 GLU A 124 CD OE1 OE2 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 -118.61 -123.07 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 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 733 O REMARK 620 2 HOH A 739 O 96.9 REMARK 620 N 1 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 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3CB9 RELATED DB: PDB REMARK 900 RELATED ID: 3CD1 RELATED DB: PDB REMARK 900 RELATED ID: 3CD9 RELATED DB: PDB DBREF 3CBE A 2 238 UNP P42212 GFP_AEQVI 2 238 SEQADV 3CBE MET A -10 UNP P42212 EXPRESSION TAG SEQADV 3CBE ARG A -9 UNP P42212 EXPRESSION TAG SEQADV 3CBE GLY A -8 UNP P42212 EXPRESSION TAG SEQADV 3CBE SER A -7 UNP P42212 EXPRESSION TAG SEQADV 3CBE HIS A -6 UNP P42212 EXPRESSION TAG SEQADV 3CBE HIS A -5 UNP P42212 EXPRESSION TAG SEQADV 3CBE HIS A -4 UNP P42212 EXPRESSION TAG SEQADV 3CBE HIS A -3 UNP P42212 EXPRESSION TAG SEQADV 3CBE HIS A -2 UNP P42212 EXPRESSION TAG SEQADV 3CBE HIS A -1 UNP P42212 EXPRESSION TAG SEQADV 3CBE GLY A 0 UNP P42212 EXPRESSION TAG SEQADV 3CBE SER A 1 UNP P42212 EXPRESSION TAG SEQADV 3CBE SER A 48 UNP P42212 CYS 48 ENGINEERED MUTATION SEQADV 3CBE CRO A 66 UNP P42212 SER 65 CHROMOPHORE SEQADV 3CBE CRO A 66 UNP P42212 TYR 66 CHROMOPHORE SEQADV 3CBE CRO A 66 UNP P42212 GLY 67 CHROMOPHORE SEQADV 3CBE LEU A 64 UNP P42212 TYR 66 ENGINEERED MUTATION SEQADV 3CBE ARG A 80 UNP P42212 GLN 80 ENGINEERED MUTATION SEQADV 3CBE SER A 99 UNP P42212 PHE 99 ENGINEERED MUTATION SEQADV 3CBE CYS A 147 UNP P42212 SER 147 ENGINEERED MUTATION SEQADV 3CBE ARG A 147A UNP P42212 HIS 148 ENGINEERED MUTATION SEQADV 3CBE THR A 153 UNP P42212 MET 154 ENGINEERED MUTATION SEQADV 3CBE ALA A 163 UNP P42212 VAL 164 ENGINEERED MUTATION SEQADV 3CBE THR A 167 UNP P42212 ILE 168 ENGINEERED MUTATION SEQADV 3CBE CYS A 204 UNP P42212 GLN 205 ENGINEERED MUTATION SEQRES 1 A 248 MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY SER SER SEQRES 2 A 248 LYS GLY GLU GLU LEU PHE THR GLY VAL VAL PRO ILE LEU SEQRES 3 A 248 VAL GLU LEU ASP GLY ASP VAL ASN GLY HIS LYS PHE SER SEQRES 4 A 248 VAL SER GLY GLU GLY GLU GLY ASP ALA THR TYR GLY LYS SEQRES 5 A 248 LEU THR LEU LYS PHE ILE SER THR THR GLY LYS LEU PRO SEQRES 6 A 248 VAL PRO TRP PRO THR LEU VAL THR THR LEU CRO VAL GLN SEQRES 7 A 248 CYS PHE SER ARG TYR PRO ASP HIS MET LYS ARG HIS ASP SEQRES 8 A 248 PHE PHE LYS SER ALA MET PRO GLU GLY TYR VAL GLN GLU SEQRES 9 A 248 ARG THR ILE SER PHE LYS ASP ASP GLY ASN TYR LYS THR SEQRES 10 A 248 ARG ALA GLU VAL LYS PHE GLU GLY ASP THR LEU VAL ASN SEQRES 11 A 248 ARG ILE GLU LEU LYS GLY ILE ASP PHE LYS GLU ASP GLY SEQRES 12 A 248 ASN ILE LEU GLY HIS LYS LEU GLU TYR ASN TYR ASN CYS SEQRES 13 A 248 ARG SER ASN VAL TYR ILE THR ALA ASP LYS GLN LYS ASN SEQRES 14 A 248 GLY ILE LYS ALA ASN PHE LYS THR ARG HIS ASN ILE GLU SEQRES 15 A 248 ASP GLY SER VAL GLN LEU ALA ASP HIS TYR GLN GLN ASN SEQRES 16 A 248 THR PRO ILE GLY ASP GLY PRO VAL LEU LEU PRO ASP ASN SEQRES 17 A 248 HIS TYR LEU SER THR CYS SER ALA LEU SER LYS ASP PRO SEQRES 18 A 248 ASN GLU LYS ARG ASP HIS MET VAL LEU LEU GLU PHE VAL SEQRES 19 A 248 THR ALA ALA GLY ILE THR HIS GLY MET ASP GLU LEU TYR SEQRES 20 A 248 LYS MODRES 3CBE CRO A 66 GLY MODRES 3CBE CRO A 66 TYR MODRES 3CBE CRO A 66 GLY HET CRO A 66 21 HET MG A 501 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 *239(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 SER A 48 -1 O ILE A 47 N SER A 30 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 N TYR A 200 O ALA A 227 SHEET 6 A12 SER A 148 ASP A 155 -1 N ILE A 152 O HIS A 199 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 177 N HIS A 169 SHEET 9 A12 TYR A 92 PHE A 100 -1 N SER A 99 O ASP A 180 SHEET 10 A12 ASN A 105 GLU A 115 -1 O VAL A 112 N TYR A 92 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 1.29 LINK C3 CRO A 66 N VAL A 68 1555 1555 1.32 LINK MG MG A 501 O HOH A 733 1555 1555 2.06 LINK MG MG A 501 O HOH A 739 1555 1555 2.42 CISPEP 1 MET A 88 PRO A 89 0 6.73 SITE 1 AC1 7 ASN A 170 GLY A 174 HOH A 581 HOH A 618 SITE 2 AC1 7 HOH A 678 HOH A 733 HOH A 739 CRYST1 50.964 62.236 68.882 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 0.019622 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016068 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014518 0.00000