1K5V

Human acidic fibroblast growth factor. 141 amino acid form with amino terminal His tag with Asn106 replaced by Gly (N106G).

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)	Acidic fibroblast growth factor	polymer	146	16629.7	2	UniProt (P05230) Pfam (PF00167)	Homo sapiens (human)
2	C, D (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	E, F (A, B)	water	water		18.0	81	Chemie (HOH)

Sequence modifications

A, B: 1 - 139 (UniProt: P05230)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Gly 106	Asn 121	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33259.4
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	33451.5

*Water molecules are not included.