3EB6

Structure of the cIAP2 RING domain bound to UbcH5b

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Baculoviral IAP repeat-containing protein 3	polymer	74	8238.7	1	UniProt (Q13489) Pfam (PF13920)	Homo sapiens (human)	Inhibitor of apoptosis protein 1, HIAP-1, HIAP1, C-IAP2, TNFR2-TRAF-signaling complex protein 1, IAP homolog C, Apoptosis inhibitor 2, API2, RING finger protein 49
2	B (B)	Ubiquitin-conjugating enzyme E2 D2	polymer	149	16899.4	1	UniProt (P62840) Pfam (PF00179)	Xenopus laevis (clawed frog platanna)	Ubiquitin-protein ligase D2, Ubiquitin carrier protein D2, Xubc4
3	C, D (A)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Sequence modifications

A: 536 - 604 (UniProt: Q13489)

PDB	External Database	Details
Leu 531	-	expression tag
Gly 532	-	expression tag
Ser 533	-	expression tag
Gly 534	-	expression tag
Thr 535	-	expression tag

B: 1 - 147 (UniProt: P62840)

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

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	25138.0
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	25268.8

*Water molecules are not included.