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(-) Description

Title :  CRYSTAL STRUCTURE OF A MONOMERIC CYAN FLUORESCENT PROTEIN DERIVED FROM CLAVULARIA
 
Authors :  J. N. Henderson, R. E. Campbell, H. Ai, S. J. Remington
Date :  18 Jul 06  (Deposition) - 02 Jan 07  (Release) - 22 Feb 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.19
Chains :  Asym./Biol. Unit :  A
Keywords :  11-Stranded Beta Barrel, Luminescent Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. W. Ai, J. N. Henderson, S. J. Remington, R. E. Campbell
Directed Evolution Of A Monomeric, Bright And Photostable Version Of Clavularia Cyan Fluorescent Protein: Structural Characterization And Applications In Fluorescence Imaging.
Biochem. J. V. 400 531 2006
PubMed-ID: 16859491  |  Reference-DOI: 10.1042/BJ20060874

(-) Compounds

Molecule 1 - CYAN FLUORESCENT CHROMOPROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PBAD
    Expression System Strain: DH10B (INVITROGEN)
    Expression System Taxid: 562
    Expression System Vector: HIS B (INVITROGEN)
    Expression System Vector Type: PLASMID
    Mutation: YES
    Organism Scientific: CLAVULARIA SP.
    Organism Taxid: 86521

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 6)

Asymmetric/Biological Unit (4, 6)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2CL1Ligand/IonCHLORIDE ION
3PIA1Mod. Amino Acid[(4Z)-2-[(1S)-1-AMINOETHYL]-4-(4-HYDROXYBENZYLIDENE)-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1-YL]ACETIC ACID
4ZN3Ligand/IonZINC ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:19 , ASP A:116 , GLU A:121 , HIS A:123 , CL A:404BINDING SITE FOR RESIDUE ZN A 401
2AC2SOFTWAREHIS A:25 , ASP A:77 , HOH A:559BINDING SITE FOR RESIDUE ZN A 402
3AC3SOFTWAREHIS A:172 , GLU A:200 , HOH A:534 , HOH A:594BINDING SITE FOR RESIDUE ZN A 403
4AC4SOFTWARELYS A:13 , ASP A:116 , GLU A:121 , HIS A:123 , ZN A:401BINDING SITE FOR RESIDUE CL A 404
5AC5SOFTWAREGLU A:115 , HIS A:123 , LEU A:124 , LYS A:125 , HOH A:735BINDING SITE FOR RESIDUE ACT A 405

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2HQK)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Ala A:52 -Pro A:53
2Phe A:87 -Pro A:88

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2HQK)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2HQK)

(-) Exons   (0, 0)

(no "Exon" information available for 2HQK)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:214
 aligned with GFPL_CLASP | Q9U6Y3 from UniProtKB/Swiss-Prot  Length:266

    Alignment length:216
                                    53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253      
           GFPL_CLASP    44 GVIKPDMKIKLKMEGNVNGHAFVIEGEGEGKPYDGTHTLNLEVKEGAPLPFSYDILSNAFQYGNRALTKYPDDIADYFKQSFPEGYSWERTMTFEDKGIVKVKSDISMEEDSFIYEIRFDGMNFPPNGPVMQKKTLKWEPSTEIMYVRDGVLVGDISHSLLLEGGGHYRCDFKSIYKAKKVVKLPDYHFVDHRIEILNHDKDYNKVTLYENAVARY 259
               SCOP domains d2hqka_ A: automated matches                                                                                                                                                                                             SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ......eeeeeeeeeee..eeeeeeeeeeee....eeeeeeeeee.......hhhhhh...--............hhhhhh....eeeeeeeee....eeeeeeeeeee..eeeeeeeeeee............eeee..eeeeeeee..eeeeeeeeeeee....eeeeeeeeeeee.........eeeeeeeeeeee.....eeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2hqk A   6 GVIKPDMKIKLKMEGNVNGHAFVIEGEGEGKPYDGTNTINLEVKEGAPLPFSYDILTTAFa--NRAFTKYPDDIPNYFKQSFPEGYSWERTMTFEDKGIVKVKSDISMEEDSFIYEIHLKGENFPPNGPVMQKKTTGWDASTERMYVRDGVLKGDVKHKLLLEGGGHHRVDFKTIYRAKKAVKLPDYHFVDHRIEILNHDKDYNKVTVYESAVARN 221
                                    15        25        35        45        55        65|  |    75        85        95       105       115       125       135       145       155       165       175       185       195       205       215      
                                                                                       66-PIA
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2HQK)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2HQK)

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (GFPL_CLASP | Q9U6Y3)
biological process
    GO:0008218    bioluminescence    The production of light by certain enzyme-catalyzed reactions in cells.
    GO:0006091    generation of precursor metabolites and energy    The chemical reactions and pathways resulting in the formation of precursor metabolites, substances from which energy is derived, and any process involved in the liberation of energy from these substances.
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.

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 Related Entries

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UniProtKB/Swiss-Prot
        GFPL_CLASP | Q9U6Y3: 2otb 2ote 4q9w 4q9x 4r6d

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