4ZSX

Structure of a fusion protein with a helix linker, 2ARH-3-3KAW-2.0

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Uncharacterized Fusion Protein	polymer	296	34196.2	2	UniProt (O67778) UniProt (Q9I208) Pfam (PF06557) Pfam (PF03860)	Aquifex aeolicus
2	C, D, E, F (A, B)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
3	G, H (A, B)	water	water		18.0	76	Chemie (HOH)

Sequence modifications

A, B: 1 - 196 (UniProt: O67778)

PDB	External Database	Details
Phe 138	Tyr 138	engineered mutation
Ala 158	Glu 158	engineered mutation
Ala 162	Lys 162	engineered mutation
Ala 166	Glu 166	engineered mutation
Glu 197	-	linker
Glu 198	-	linker
Ala 199	-	linker

A, B: 200 - 296 (UniProt: Q9I208)

PDB	External Database	Details
His 208	Gln 42	engineered mutation
His 209	Ala 43	engineered mutation
His 212	Arg 46	engineered mutation
Ala 290	Glu 124	engineered mutation
Ala 293	Arg 127	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68392.4
Non-Polymers*	Number of molecules	4
	Total formula weight	379.9
All*	Total formula weight	68772.3

*Water molecules are not included.