2MF6

Solution NMR structure of Chimeric Avidin, ChiAVD(I117Y), in the biotin bound form

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, D, B, C)	Avidin, Avidin-related protein 4/5	polymer	129	14400.3	4	UniProt (P02701) UniProt (P56734) Pfam (PF01382)	Gallus gallus (chicken)

Sequence modifications

A, D, B, C: 1 - 37 (UniProt: P02701)

PDB	External Database	Details
Gln -3	-	expression tag
Thr -2	-	expression tag
Val -1	-	expression tag

A, D, B, C: 38 - 60 (UniProt: P56734)
A, D, B, C: 61 - 128 (UniProt: P02701)

PDB	External Database	Details
Tyr 117	Ile 141	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	57601.0
All*	Total formula weight	57601.0

*Water molecules are not included.