3CIO

The kinase domain of Escherichia coli tyrosine kinase ETK

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, D)	Tyrosine-protein kinase etk	polymer	299	33368.6	2	UniProt (P38134) Pfam (PF13614)	Escherichia coli	ETK
2	C, D, E (A, D)	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
3	F, G (A, D)	water	water		18.0	114	Chemie (HOH)

Sequence modifications

A, D: 452 - 726 (UniProt: P38134)

PDB	External Database	Details
Met 428	-	expression tag
Gly 429	-	expression tag
His 430	-	expression tag
His 431	-	expression tag
His 432	-	expression tag
His 433	-	expression tag
His 434	-	expression tag
His 435	-	expression tag
His 436	-	expression tag
His 437	-	expression tag
His 438	-	expression tag
His 439	-	expression tag
Ser 440	-	expression tag
Ser 441	-	expression tag
Gly 442	-	expression tag
His 443	-	expression tag
Ile 444	-	expression tag
Glu 445	-	expression tag
Gly 446	-	expression tag
Arg 447	-	expression tag
His 448	-	expression tag
Ile 449	-	expression tag
Gly 450	-	expression tag
Ser 451	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66737.3
Non-Polymers*	Number of molecules	3
	Total formula weight	106.4
All*	Total formula weight	66843.6

*Water molecules are not included.