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PDBsum entry 1qtx

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protein metals Protein-protein interface(s) links
Signaling protein PDB id
1qtx
Jmol
Contents
Protein chains
148 a.a. *
21 a.a. *
Metals
_CA ×4
Waters ×328
* Residue conservation analysis
PDB id:
1qtx
Name: Signaling protein
Title: The 1.65 angstrom structure of calmodulin rs20 peptide complex
Structure: Protein (calmodulin). Chain: a. Engineered: yes. Protein (rs20). Chain: b. Fragment: calmodulin binding region from smooth muscle/nonmuscle myosin light chain kinase. Engineered: yes
Source: Escherichia coli. Organism_taxid: 562. Expressed in: escherichia coli. Expression_system_taxid: 562. Other_details: synthetic construct. Synthetic: yes. Other_details: peptide analog of the calmodulin recognition region of chicken smooth muscle/ nonmuscle myosin light chain kinase
Biol. unit: Dimer (from PQS)
Resolution:
1.65Å     R-factor:   0.185     R-free:   0.214
Authors: S.Weigand,W.F.Anderson
Key ref: S.Weigand et al. High resolution structure of a calmodulin rs20 peptide complex. To be published, .
Date:
29-Jun-99     Release date:   24-Jun-03    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
Pfam   ArchSchema ?
A0MMD0  (A0MMD0_HORVU) -  Uncharacterized protein
Seq:
Struc:
149 a.a.
148 a.a.*
Protein chain
Pfam   ArchSchema ?
P11799  (MYLK_CHICK) -  Myosin light chain kinase, smooth muscle
Seq:
Struc:
 
Seq:
Struc:
 
Seq:
Struc:
 
Seq:
Struc:
1906 a.a.
21 a.a.*
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 6 residue positions (black crosses)

 Enzyme reactions 
   Enzyme class: Chain B: E.C.2.7.11.18  - [Myosin light-chain] kinase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction: ATP + [myosin light-chain] = ADP + [myosin light-chain] phosphate
ATP
+ [myosin light-chain]
= ADP
+ [myosin light-chain] phosphate
      Cofactor: Ca(2+)
Molecule diagrams generated from .mol files obtained from the KEGG ftp site
 Gene Ontology (GO) functional annotation 
  GO annot!
  Biochemical function     metal ion binding     2 terms