4QFF

Structure of a 16 nm protein cage designed by fusing symmetric oligomeric domains, quadruple mutant, P212121 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, E... (A, B, C, D, E...)	Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera	polymer	456	50189.3	12	UniProt (P29715) UniProt (P03485) Pfam (PF00561) Pfam (PF00598)	Streptomyces aureofaciens	Designed 16nm tetrahedral protein cage, BPO2, Bromide peroxidase, M1

Sequence modifications

A, B, C, D, E, F, G, H, I, J, K, L: 0 - 277 (UniProt: P29715)

PDB	External Database	Details
Thr 24	Gln 25	engineered mutation
Ala 51	Tyr 52	engineered mutation
Ala 118	Lys 119	engineered mutation

A, B, C, D, E, F, G, H, I, J, K, L: 286 - 447 (UniProt: P03485)

PDB	External Database	Details
Ala 278	-	linker
Gln 279	-	linker
Glu 280	-	linker
Ala 281	-	linker
Gln 282	-	linker
Lys 283	-	linker
Gln 284	-	linker
Lys 285	-	linker
Leu 448	-	expression tag
Glu 449	-	expression tag
His 450	-	expression tag
His 451	-	expression tag
His 452	-	expression tag
His 453	-	expression tag
His 454	-	expression tag
His 455	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	602271.2
All*	Total formula weight	602271.2

*Water molecules are not included.