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(-) Description

Title :  SOLUTION STRUCTURE OF THE N-TERMINAL DOMAIN OF SYNECHOCOCCUS ELONGATUS KAIA (KAIA135N); FAMILY OF 25 STRUCTURES
 
Authors :  S. B. Williams, I. Vakonakis, S. S. Golden, A. C. Liwang
Date :  23 Jun 02  (Deposition) - 13 Nov 02  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (25x)
Keywords :  Alpha-Beta-Alpha Sandwich, Circadian Clock Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. B. Williams, I. Vakonakis, S. S. Golden, A. C. Liwang
Structure And Function From The Circadian Clock Protein Kaia Of Synechococcus Elongatus: A Potential Clock Input Mechanism
Proc. Natl. Acad. Sci. Usa V. 99 15357 2002
PubMed-ID: 12438647  |  Reference-DOI: 10.1073/PNAS.232517099
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - KAIA
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET32A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN (RESIDUES 1-135)
    Gene: KAIA
    Organism Scientific: SYNECHOCOCCUS ELONGATUS
    Organism Taxid: 32046

 Structural Features

(-) Chains, Units

  
NMR Structure (25x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1M2F)

(-) Sites  (0, 0)

(no "Site" information available for 1M2F)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1M2F)

(-) Cis Peptide Bonds  (1, 25)

NMR Structure
No.ModelResidues
11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25Ala A:129 -Pro A:130

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1M2F)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1KAIA_NPS51430 KaiA N-terminal domain profile.KAIA_SYNE71-164  1A:1-135

(-) Exons   (0, 0)

(no "Exon" information available for 1M2F)

(-) 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:135
 aligned with KAIA_SYNE7 | Q79PF6 from UniProtKB/Swiss-Prot  Length:284

    Alignment length:135
                                    10        20        30        40        50        60        70        80        90       100       110       120       130     
           KAIA_SYNE7     1 MLSQIAICIWVESTAILQDCQRALSADRYQLQVCESGEMLLEYAQTHRDQIDCLILVAANPSFRAVVQQLCFEGVVVPAIVVGDRDSEDPDEPAKEQLYHSAELHLGIHQLEQLPYQVDAALAEFLRLAPVETMA 135
               SCOP domains d1m2fa_ A: N-terminal domain of the circadian clock protein KaiA                                                                        SCOP domains
               CATH domains 1m2fA00 A:1-135  [code=3.40.50.2300, no name defined]                                                                                   CATH domains
               Pfam domains ----KaiA-1m2fA01 A:5-135                                                                                                                Pfam domains
         Sec.struct. author ....eeeeee..hhhhhhhhhhhh....eeeeee..hhhhhhhhh.......eeeee....hhhhhhhhhhhhh....eeee.....................eeehhhhh.hhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE KAIA_N  PDB: A:1-135 UniProt: 1-164                                                                                                     PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1m2f A   1 MLSQIAICIWVESTAILQDCQRALSADRYQLQVCESGEMLLEYAQTHRDQIDCLILVAANPSFRAVVQQLCFEGVVVPAIVVGDRDSEDPDEPAKEQLYHSAELHLGIHQLEQLPYQVDAALAEFLRLAPVETMA 135
                                    10        20        30        40        50        60        70        80        90       100       110       120       130
   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, 1)

NMR Structure
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 1)

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

(-) Gene Ontology  (8, 8)

NMR Structure(hide GO term definitions)
Chain A   (KAIA_SYNE7 | Q79PF6)
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:0009649    entrainment of circadian clock    The synchronization of a circadian rhythm to environmental time cues such as light.
    GO:0035308    negative regulation of protein dephosphorylation    Any process the stops, prevents, or reduces the frequency, rate or extent of removal of phosphate groups from a protein.
    GO:0042753    positive regulation of circadian rhythm    Any process that activates or increases the frequency, rate or extent of a circadian rhythm behavior.
    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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  Cis Peptide Bonds
    Ala A:129 - Pro A:130   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        KAIA_SYNE7 | Q79PF6: 1m2e 1r8j 4g86 5c5e 5n8y

(-) Related Entries Specified in the PDB File

5031 1H, 13C AND 15N RESONANCE ASSIGNMENTS
1m2e MINIMIZED AVERAGE STRUCTURE OF KAIA