HEADER CALCIUM BINDING PROTEIN 03-JUN-13 4L1I TITLE CRYSTAL STRUCTURE OF EGFP-BASED CALCIUM SENSOR CATCHER COMPLEXED WITH TITLE 2 CA COMPND MOL_ID: 1; COMPND 2 MOLECULE: EGFP-BASED CALCIUM SENSOR CATCHER; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SEE REMARK 999; COMPND 5 SYNONYM: GREEN FLUORESCENT PROTEIN; COMPND 6 ENGINEERED: YES; COMPND 7 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: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS CHROMOPHORE, LUMINESCENCE, FLUORESCENT PROTEIN, CALCIUM SENSOR, METAL KEYWDS 2 IONS, GADOLINIUM, CALCIUM BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.ZHANG,I.T.WEBER REVDAT 4 06-DEC-23 4L1I 1 REMARK REVDAT 3 20-SEP-23 4L1I 1 REMARK SEQADV LINK REVDAT 2 08-JAN-14 4L1I 1 JRNL REVDAT 1 11-DEC-13 4L1I 0 JRNL AUTH Y.ZHANG,F.REDDISH,S.TANG,Y.ZHUO,Y.F.WANG,J.J.YANG,I.T.WEBER JRNL TITL STRUCTURAL BASIS FOR A HAND-LIKE SITE IN THE CALCIUM SENSOR JRNL TITL 2 CATCHER WITH FAST KINETICS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 69 2309 2013 JRNL REFN ISSN 0907-4449 JRNL PMID 24311573 JRNL DOI 10.1107/S0907444913021306 REMARK 2 REMARK 2 RESOLUTION. 1.20 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) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 CROSS-VALIDATION METHOD : FREE R 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) : 0.152 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.150 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 3501 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 70039 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.150 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.148 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 3256 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 65491 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1826 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 197 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2019.6 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 23 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 19518 REMARK 3 NUMBER OF RESTRAINTS : 25624 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 ANGLE DISTANCES (A) : 0.031 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.032 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.074 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.087 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.025 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.032 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.075 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY ? REMARK 4 REMARK 4 4L1I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUN-13. REMARK 100 THE DEPOSITION ID IS D_1000080062. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-NOV-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 70349 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 12.50 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.24 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.80 REMARK 200 R MERGE FOR SHELL (I) : 0.39200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.700 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: PDB ENTRY 2OKW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.9 MM PROTEIN, 53 MM HEPES, PH 7.0, 1 REMARK 280 MM BETA-MERCAPTOETHANOL, 50 MM SODIUM ACETATE, 16% PEG3350, REMARK 280 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 27.12000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.69500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.53000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.69500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.12000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.53000 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 THR A 230 REMARK 465 LEU A 231 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 MET A 0 N MET A 0 CA 0.144 REMARK 500 MET A 0 CB MET A 0 CG 0.407 REMARK 500 MET A 0 C MET A 0 O 0.196 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 MET A 0 CG - SD - CE ANGL. DEV. = -17.0 DEGREES REMARK 500 ASP A 19 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 ARG A 73 NE - CZ - NH2 ANGL. DEV. = 5.4 DEGREES REMARK 500 ASP A 103 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 117 CB - CG - OD1 ANGL. DEV. = 5.9 DEGREES REMARK 500 ARG A 168 NE - CZ - NH1 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG A 215 NE - CZ - NH2 ANGL. DEV. = -3.6 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 -159.80 -155.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 MET A 0 -14.04 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 CA A 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 147 OE2 REMARK 620 2 ASP A 202 OD2 94.3 REMARK 620 3 ASP A 202 OD1 58.8 45.0 REMARK 620 4 HOH A 592 O 137.3 71.2 85.5 REMARK 620 5 HOH A 665 O 77.8 97.9 65.1 65.4 REMARK 620 6 HOH A 695 O 121.8 98.6 139.3 100.4 153.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 147 OE2 REMARK 620 2 ASP A 202 OD2 85.0 REMARK 620 3 HOH A 576 O 80.2 163.5 REMARK 620 4 HOH A 607 O 152.3 71.2 121.0 REMARK 620 5 HOH A 695 O 96.5 83.5 91.0 67.5 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 CA A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4L12 RELATED DB: PDB REMARK 900 RELATED ID: 4L13 RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE SER 65 UNDERWENT MUTATION TO THR 65. THR 65, TYR 66, AND REMARK 999 GLY 67 CIRCULARIZED INTO ONE CHROMOPHORE. DBREF 4L1I A 2 230 UNP P42212 GFP_AEQVI 2 230 SEQADV 4L1I MET A 0 UNP P42212 EXPRESSION TAG SEQADV 4L1I VAL A 1 UNP P42212 EXPRESSION TAG SEQADV 4L1I LEU A 64 UNP P42212 PHE 64 ENGINEERED MUTATION SEQADV 4L1I CRO A 66 UNP P42212 SER 65 CHROMOPHORE SEQADV 4L1I CRO A 66 UNP P42212 TYR 66 CHROMOPHORE SEQADV 4L1I CRO A 66 UNP P42212 GLY 67 CHROMOPHORE SEQADV 4L1I GLU A 147 UNP P42212 SER 147 ENGINEERED MUTATION SEQADV 4L1I THR A 153 UNP P42212 MET 153 ENGINEERED MUTATION SEQADV 4L1I ALA A 163 UNP P42212 VAL 163 ENGINEERED MUTATION SEQADV 4L1I ASP A 202 UNP P42212 SER 202 ENGINEERED MUTATION SEQADV 4L1I GLU A 204 UNP P42212 GLN 204 ENGINEERED MUTATION SEQADV 4L1I GLU A 223 UNP P42212 PHE 223 ENGINEERED MUTATION SEQADV 4L1I GLU A 225 UNP P42212 THR 225 ENGINEERED MUTATION SEQADV 4L1I LEU A 231 UNP P42212 EXPRESSION TAG SEQRES 1 A 230 MET VAL SER LYS GLY GLU GLU LEU PHE THR GLY VAL VAL SEQRES 2 A 230 PRO ILE LEU VAL GLU LEU ASP GLY ASP VAL ASN GLY HIS SEQRES 3 A 230 LYS PHE SER VAL SER GLY GLU GLY GLU GLY ASP ALA THR SEQRES 4 A 230 TYR GLY LYS LEU THR LEU LYS PHE ILE CYS THR THR GLY SEQRES 5 A 230 LYS LEU PRO VAL PRO TRP PRO THR LEU VAL THR THR LEU SEQRES 6 A 230 CRO VAL GLN CYS PHE SER ARG TYR PRO ASP HIS MET LYS SEQRES 7 A 230 GLN HIS ASP PHE PHE LYS SER ALA MET PRO GLU GLY TYR SEQRES 8 A 230 VAL GLN GLU ARG THR ILE PHE PHE LYS ASP ASP GLY ASN SEQRES 9 A 230 TYR LYS THR ARG ALA GLU VAL LYS PHE GLU GLY ASP THR SEQRES 10 A 230 LEU VAL ASN ARG ILE GLU LEU LYS GLY ILE ASP PHE LYS SEQRES 11 A 230 GLU ASP GLY ASN ILE LEU GLY HIS LYS LEU GLU TYR ASN SEQRES 12 A 230 TYR ASN GLU HIS ASN VAL TYR ILE THR ALA ASP LYS GLN SEQRES 13 A 230 LYS ASN GLY ILE LYS ALA ASN PHE LYS ILE ARG HIS ASN SEQRES 14 A 230 ILE GLU ASP GLY SER VAL GLN LEU ALA ASP HIS TYR GLN SEQRES 15 A 230 GLN ASN THR PRO ILE GLY ASP GLY PRO VAL LEU LEU PRO SEQRES 16 A 230 ASP ASN HIS TYR LEU ASP THR GLU SER ALA LEU SER LYS SEQRES 17 A 230 ASP PRO ASN GLU LYS ARG ASP HIS MET VAL LEU LEU GLU SEQRES 18 A 230 GLU VAL GLU ALA ALA GLY ILE THR LEU MODRES 4L1I CRO A 66 THR CIRCULARIZED TRI-PEPTIDE CHROMOPHORE MODRES 4L1I CRO A 66 TYR CIRCULARIZED TRI-PEPTIDE CHROMOPHORE MODRES 4L1I CRO A 66 GLY CIRCULARIZED TRI-PEPTIDE CHROMOPHORE HET CRO A 66 22 HET CA A 401 1 HET CA A 402 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 CA CALCIUM ION HETSYN CRO PEPTIDE DERIVED CHROMOPHORE FORMUL 1 CRO C15 H17 N3 O5 FORMUL 2 CA 2(CA 2+) FORMUL 4 HOH *197(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 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 LYS A 41 N ASP A 36 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 ASP A 202 O GLU A 225 SHEET 6 A12 HIS 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 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 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 1.42 LINK C3 CRO A 66 N VAL A 68 1555 1555 1.42 LINK OE2 GLU A 147 CA CA A 401 1555 1555 1.94 LINK OE2 GLU A 147 CA CA A 402 1555 1555 2.14 LINK OD2 ASP A 202 CA CA A 401 1555 1555 2.59 LINK OD1 ASP A 202 CA CA A 401 1555 1555 2.99 LINK OD2 ASP A 202 CA CA A 402 1555 1555 2.77 LINK CA CA A 401 O HOH A 592 1555 1555 2.47 LINK CA CA A 401 O HOH A 665 1555 1555 3.09 LINK CA CA A 401 O HOH A 695 1555 1555 2.48 LINK CA CA A 402 O HOH A 576 1555 1555 2.09 LINK CA CA A 402 O HOH A 607 1555 1555 2.71 LINK CA CA A 402 O HOH A 695 1555 1555 3.00 CISPEP 1 MET A 88 PRO A 89 0 2.75 SITE 1 AC1 8 ASP A 19 GLU A 147 ASP A 202 CA A 402 SITE 2 AC1 8 HOH A 592 HOH A 624 HOH A 665 HOH A 695 SITE 1 AC2 8 ASP A 19 GLU A 147 ASP A 202 GLU A 204 SITE 2 AC2 8 CA A 401 HOH A 576 HOH A 607 HOH A 695 CRYST1 54.240 61.060 67.390 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 0.018437 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016377 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014839 0.00000