P11917 (KTRC_AREMA) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names	Recommended name: Taurocyamine kinase EC=2.7.3.4
Organism	Arenicola marina (Lugworm) (Lumbricus marinus)
Taxonomic identifier	6344 [NCBI]
Taxonomic lineage	cellular organisms › Eukaryota › Opisthokonta › Metazoa › Eumetazoa › Bilateria › Protostomia › Lophotrochozoa › Annelida › Polychaeta › Scolecida › Capitellida › Arenicolidae › Arenicola

Protein attributes

Sequence length	16 AA.
Sequence status	Fragment.
Protein existence	Evidence at protein level

General annotation (Comments)

Catalytic activity	ATP + taurocyamine = ADP + N-phosphotaurocyamine.
Sequence similarities	Belongs to the ATP:guanido phosphotransferase family. Contains 1 phosphagen kinase C-terminal domain.

Ontologies

Keywords
Ligand	ATP-binding Nucleotide-binding
Molecular function	Kinase Transferase
Technical term	Direct protein sequencing
Gene Ontology (GO)
Molecular_function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW taurocyamine kinase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	‹1 – ›16	›16	Taurocyamine kinase		PRO_0000211987
Regions
	Domain	‹1 – ›16	›16	Phosphagen kinase C-terminal
Experimental info
	Non-terminal residue	1	1
	Non-terminal residue	16	1

Sequences

	Sequence		Length	Mass (Da)
	P11917 [UniParc]. Last modified October 1, 1989. Version 1. Checksum: CF05E7326D427E94	FASTA	16	1,636
	10 LGYLGTCPTN IGTGLR

References

[1]

"Comparative structural studies of the active site of ATP: guanidine phosphotransferases. The essential cysteine tryptic peptide of taurocyamine kinase from Arenicola marina." Brevet A., Zeitoun Y., Pradel L.A. Biochim. Biophys. Acta 393:1-9(1975) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE.

Cross-references

Sequence databases
PIR	A11488.
3D structure databases
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
Gene3D	3.30.590.10. 1 hit.
InterPro	IPR022415. ATP-guanido_PTrfase_AS. IPR022414. ATP-guanido_PTrfase_cat. IPR014746. Gln_synth/guanido_kin_cat_dom. [Graphical view]
Pfam	PF00217. ATP-gua_Ptrans. 1 hit. [Graphical view]
PROSITE	PS00112. PHOSPHAGEN_KINASE. 1 hit. PS51510. PHOSPHAGEN_KINASE_C. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

KTRC_AREMA

Accession

Primary (citable) accession number: P11917

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 1, 1989
Last sequence update:	October 1, 1989
Last modified:	April 3, 2013
This is version 50 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)