1YX5

Solution Structure of S5a UIM-1/Ubiquitin Complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	26S proteasome non-ATPase regulatory subunit 4	polymer	132	14360.6	1	UniProt (P55036) Pfam (PF02809)	Homo sapiens (human)	26S proteasome regulatory subunit S5A, Rpn10, Multiubiquitin chain binding protein, Antisecretory factor-1, AF, ASF
2	B (B)	Ubiquitin	polymer	98	11062.5	1	UniProt (P62988) Pfam (PF00240) UniProt (by SIFTS) (P0CG48)	Homo sapiens (human)

Sequence modifications

A: 2 - 112 (UniProt: P55036)

PDB	External Database	Details
Met -19	-	cloning artifact
Gly -18	-	cloning artifact
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
Ser -7	-	cloning artifact
Ser -6	-	cloning artifact
Gly -5	-	cloning artifact
His -4	-	cloning artifact
Ile -3	-	cloning artifact

B: 1 - 76 (UniProt: P62988)

PDB	External Database	Details
Arg 77	-	cloning artifact
Asp 78	-	cloning artifact
Pro 79	-	cloning artifact
Asn 80	-	cloning artifact
Ser 81	-	cloning artifact
Ser 82	-	cloning artifact
Ser 83	-	cloning artifact
Val 84	-	cloning artifact
Asp 85	-	cloning artifact
Lys 86	-	cloning artifact
Leu 87	-	cloning artifact
Ala 88	-	cloning artifact
Ala 89	-	cloning artifact
Ala 90	-	cloning artifact
Leu 91	-	cloning artifact
Glu 92	-	cloning artifact
His 93	-	expression tag
His 94	-	expression tag
His 95	-	expression tag
His 96	-	expression tag
His 97	-	expression tag
His 98	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	25423.1
All*	Total formula weight	25423.1

*Water molecules are not included.