2QLU

Crystal structure of Activin receptor type II kinase domain from human

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Activin receptor type IIB	polymer	314	35796.0	1	UniProt (Q13705) Pfam (PF00069) In PDB	Homo sapiens (human)	Activin receptor type-2B, ACTR-IIB
2	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	A	ADENINE	non-polymer		135.1	1	Chemie (ADE)
4		water	water		18.0	141	Chemie (HOH)

Sequence modifications

A: 190 - 487 (UniProt: Q13705)

PDB	External Database	Details
Met 174	-	initiating methionine
His 175	-	expression tag
His 176	-	expression tag
His 177	-	expression tag
His 178	-	expression tag
His 179	-	expression tag
His 180	-	expression tag
Ser 181	-	expression tag
Ser 182	-	expression tag
Gly 183	-	expression tag
Leu 184	-	expression tag
Val 185	-	expression tag
Pro 186	-	expression tag
Arg 187	-	expression tag
Gly 188	-	expression tag
Ser 189	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	35796.0
Non-Polymers*	Number of molecules	3
	Total formula weight	327.3
All*	Total formula weight	36123.3

*Water molecules are not included.