9EB7

Crystal Structure of Biotin Carboxylase from Ankistrodesmus

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, B)	Biotin carboxylase	polymer	534	58371.5	2	UniProt (A0A2U8JGP4)	Ankistrodesmus falcatus	Acetyl-coenzyme A carboxylase biotin carboxylase subunit A
2	C, D (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
3	E, F, H (A, B)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
4	G (B)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	I, J (A, B)	water	water		18.0	643	Chemie (HOH)

Sequence modifications

A, B: 1 - 520 (UniProt: A0A2U8JGP4)

PDB	External Database	Details
Met -13	-	expression tag
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Asp -1	-	expression tag
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	116742.9
Non-Polymers*	Number of molecules	6
	Total formula weight	356.8
All*	Total formula weight	117099.7

*Water molecules are not included.