3A1M

A fusion protein of a beta helix region of gene product 5 and the foldon region of bacteriophage T4

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...)	chimera of thrombin cleavage site, Tail-associated lysozyme, Fibritin	polymer	139	14850.3	6	UniProt (P16009) UniProt (P10104) Pfam (PF06715)	Enterobacteria phage T4 (Bacteriophage T4)	Protein Gp5, Whisker antigen control protein, Collar protein
2	G, H (A, D)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
3	I, J, K, L, M... (A, B, C, D, E...)	water	water		18.0	377	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 15 (PDB: 3A1M)
A, B, C, D, E, F: 16 - 101 (UniProt: P16009)

PDB	External Database	Details
Leu 16	Val 490	engineered mutation
Ser 102	-	linker
Val 103	-	linker
Glu 104	-	linker

A, B, C, D, E, F: 105 - 131 (UniProt: P10104)

PDB	External Database	Details
Val 132	-	expression tag
Glu 133	-	expression tag
His 134	-	expression tag
His 135	-	expression tag
His 136	-	expression tag
His 137	-	expression tag
His 138	-	expression tag
His 139	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	89101.5
Non-Polymers*	Number of molecules	2
	Total formula weight	78.2
All*	Total formula weight	89179.7

*Water molecules are not included.