3PTF

X-ray structure of the non-covalent complex between UbcH5A and Ubiquitin

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)	Ubiquitin-conjugating enzyme E2 D1	polymer	153	17277.8	2	UniProt (P51668) Pfam (PF00179)	Homo sapiens (human)	Stimulator of Fe transport, SFT, UBC4/5 homolog, UbcH5, Ubiquitin carrier protein D1, Ubiquitin-conjugating enzyme E2(17)KB 1, Ubiquitin-conjugating enzyme E2-17 kDa 1, Ubiquitin-protein ligase D1
2	C, D (C, D)	Polyubiquitin-B	polymer	79	8859.1	2	UniProt (P0CG47) Pfam (PF00240) UniProt (by SIFTS) (P0CG48)	Homo Sapiens (Human)
3	E, F, G, H (A, B, C, D)	water	water		18.0	40	Chemie (HOH)

Sequence modifications

A, B: 1 - 147 (UniProt: P51668)

PDB	External Database	Details
Gly -5	-	expression tag
Ser -4	-	expression tag
His -3	-	expression tag
Met -2	-	expression tag
Leu -1	-	expression tag
Glu 0	-	expression tag

C, D: 1 - 76 (UniProt: P0CG47)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	52273.7
All*	Total formula weight	52273.7

*Water molecules are not included.