8HZ4

The tetrameric structure of biotin carboxylase from Chloroflexus aurantiacus in complex with bicarbonate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Biotin carboxylase	polymer	469	51342.3	4	UniProt (A9W9X0) Pfam (PF00289) Pfam (PF02786) Pfam (PF02785)	Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl)	Acetyl-coenzyme A carboxylase biotin carboxylase subunit A
2	E, F, G, H (E, F, G, H)	Biotin carboxylase	polymer	137	14249.1	4	UniProt (A9W9X0) Pfam (PF00364)	Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl)	Acetyl-coenzyme A carboxylase biotin carboxylase subunit A

Sequence modifications

A, B, C, D: 1 - 459 (UniProt: A9W9X0)

PDB	External Database	Details
Met -9	-	initiating methionine
Gly -8	-	expression tag
Ser -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	262365.8
All*	Total formula weight	262365.8

*Water molecules are not included.