8VDW

X-Ray Crystal Structure of the biotin synthase from V. parvula

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Biotin synthase	polymer	364	40487.9	2	UniProt (T0TAB9) Pfam (PF04055) Pfam (PF06968) UniProt (by SIFTS) (A0A134C0W5) In PDB	Veillonella parvula
2	A, B	Fe4 H S5	non-polymer		384.7	2	Chemie (Q46)
3	A, B	S-ADENOSYLMETHIONINE	non-polymer		398.4	2	Chemie (SAM)
4	A, B	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)
5	A, B	6-(5-METHYL-2-OXO-IMIDAZOLIDIN-4-YL)-HEXANOIC ACID	non-polymer		214.3	2	Chemie (DTB)
6	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
7		water	water		18.0	555	Chemie (HOH)

Sequence modifications

A, B: 1 - 342 (UniProt: T0TAB9)

PDB	External Database	Details
Met -21	-	initiating methionine
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
Ser -14	-	expression tag
Ser -13	-	expression tag
Gly -12	-	expression tag
Val -11	-	expression tag
Asp -10	-	expression tag
Leu -9	-	expression tag
Gly -8	-	expression tag
Thr -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80975.8
Non-Polymers*	Number of molecules	9
	Total formula weight	2721.1
All*	Total formula weight	83696.9

*Water molecules are not included.