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(-) Description

Title :  SOLUTION STRUCTURE OF THE C-TERMINAL DOMAIN OF THERMOSYNECHOCOCCUS ELONGATUS KAIA (THKAIA180C); ENSEMBLE OF 25 STRUCTURES
 
Authors :  I. Vakonakis, J. Sun, S. S. Golden, A. Holzenburg, A. C. Liwang
Date :  13 Aug 03  (Deposition) - 19 Aug 03  (Release) - 13 Jul 11  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (25x)
NMR Structure *:  A,B  (1x)
Keywords :  All Alpha-Helix Protein, Homodimer, Circadian Clock Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. Vakonakis, J. Sun, T. Wu, A. Holzenburg, S. S. Golden, A. C. Liwang
Nmr Structure Of The Kaic-Interacting C-Terminal Domain Of Kaia, A Circadian Clock Protein: Implications For Kaia-Kaic Interaction
Proc. Natl. Acad. Sci. Usa V. 101 1479 2004
PubMed-ID: 14749515  |  Reference-DOI: 10.1073/PNAS.0305516101

(-) Compounds

Molecule 1 - CIRCADIAN CLOCK PROTEIN KAIA HOMOLOG
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET-32A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: C-TERMINAL DOMAIN (THKAIA180C)
    Gene: KAIA
    Organism Scientific: THERMOSYNECHOCOCCUS ELONGATUS
    Organism Taxid: 197221
    Strain: BP-1

 Structural Features

(-) Chains, Units

  12
NMR Structure (25x): AB
NMR Structure * (1x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1Q6B)

(-) Sites  (0, 0)

(no "Site" information available for 1Q6B)

(-) SS Bonds  (1, 1)

NMR Structure
No.Residues
1A:96 -B:296

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1Q6B)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Q6B)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1Q6B)

(-) Exons   (0, 0)

(no "Exon" information available for 1Q6B)

(-) Sequences/Alignments

NMR Structure
   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:107
 aligned with KAIA_THEEB | Q79V62 from UniProtKB/Swiss-Prot  Length:283

    Alignment length:107
                                   186       196       206       216       226       236       246       256       266       276       
           KAIA_THEEB   177 FFRRMSPADKRKLLDELRSIYRTIVLEYFNTDAKVNERIDEFVSKAFFADISVSQVLEIHVELMDTFSKQLKLEGRSEDILLDYRLTLIDVIAHLCEMYRRSIPREV 283
               SCOP domains d1q6ba_ A: Circadian clock protein KaiA, C-terminal domain                                                  SCOP domains
               CATH domains 1q6bA00 A:1-107 KaiA/RbsU domain                                                                            CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 1q6b A   1 AMARMSPADKRKLLDELRSIYRTIVLEYFNTDAKVNERIDEFVSKAFFADISVSQVLEIHVELMDTFSKQLKLEGRSEDILLDYRLTLIDVIAHLCEMYRRSIPREV 107
                                    10        20        30        40        50        60        70        80        90       100       


Chain B from PDB  Type:PROTEIN  Length:107
 aligned with KAIA_THEEB | Q79V62 from UniProtKB/Swiss-Prot  Length:283

    Alignment length:107
                                   186       196       206       216       226       236       246       256       266       276       
           KAIA_THEEB   177 FFRRMSPADKRKLLDELRSIYRTIVLEYFNTDAKVNERIDEFVSKAFFADISVSQVLEIHVELMDTFSKQLKLEGRSEDILLDYRLTLIDVIAHLCEMYRRSIPREV 283
               SCOP domains d1q6bb_ B: Circadian clock protein KaiA, C-terminal domain                                                  SCOP domains
               CATH domains 1q6bB00 B:201-307 KaiA/RbsU domain                                                                          CATH domains
           Pfam domains (1) ---KaiA-1q6bB01 B:204-306                                                                                 - Pfam domains (1)
           Pfam domains (2) ---KaiA-1q6bB02 B:204-306                                                                                 - Pfam domains (2)
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 1q6b B 201 AMARMSPADKRKLLDELRSIYRTIVLEYFNTDAKVNERIDEFVSKAFFADISVSQVLEIHVELMDTFSKQLKLEGRSEDILLDYRLTLIDVIAHLCEMYRRSIPREV 307
                                   210       220       230       240       250       260       270       280       290       300
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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, 2)

NMR Structure
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 2)

NMR Structure
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: no clan defined [family: KaiA] (7)

(-) Gene Ontology  (5, 5)

NMR Structure(hide GO term definitions)
Chain A,B   (KAIA_THEEB | Q79V62)
molecular function
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0007623    circadian rhythm    Any biological process in an organism that recurs with a regularity of approximately 24 hours.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
    GO:0048511    rhythmic process    Any process pertinent to the generation and maintenance of rhythms in the physiology of an organism.

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  KAIA_THEEB | Q79V62
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        KAIA_THEEB | Q79V62: 1q6a 1suy 1sv1 1v2z 5jwr

(-) Related Entries Specified in the PDB File

5824 1H, 13C AND 15N BACKBONE AND SIDECHAIN CHEMICAL SHIFTS FOR THE OXIDIZED FORM OF THIS PROTEIN
5825 1H, 13C AND 15N BACKBONE CHEMICAL SHIFTS FOR THE REDUCED FORM OF THIS PROTEIN
1q6a SAME PROTEIN, MINIMIZED AVERAGE STRUCTURE