UbiProt Database - proteins_show

UbiProt database V 1.0

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Protein information

Protein name 26S protease regulatory subunit 4  
Synonyms P26s4
Proteasome 26S subunit ATPase 1
Gene name PSMC1 .
Source Homo sapiens (Human)
Expression system MCF-7 [1,2] HEK293T[3]
Full length  440
Precursor  no
Mature form length  440
Molecular weight (Da)  49185
Swiss-Prot Sequence Version  June 21, 2004 (Sequence version 1)



Ubiquitylation features

Ubiquitylation site K237 [2,3]

Ubiquitylation type Not Determined
Features Not determined

Ubiquitylation/deubiquitylation machinery

E2 Not determined
E3 Not determined
E4/AP Not determined
DUB Not determined
Comments Not determined


[1]Vasilescu J, Smith JC, Ethier M, Figeys D:
Proteomic analysis of ubiquitinated proteins from human mcf-7 breast cancer cells by immunoaffinity purification and mass spectrometry. J.Proteome.Res. 2005, 4:2192-2200.
[2]Denis NJ, Vasilescu J, Lambert JP, Smith JC, Figeys D
Tryptic digestion of ubiquitin standards reveals an improved strategy for identifying ubiquitinated proteins by mass spectrometry. Proteomics 2007, 7:868-74.
[3]Matsumoto M, Hatakeyama S, Oyamada K, Oda Y, Nishimura T, Nakayama KI
Large-scale analysis of the human ubiquitin-related proteome. Proteomics 2005, 5:4145-51.
[4]Laub M, Rumpf H, Jennissen HP:
Analysis of substrate specificity of ubiquitin-calmodulin ligase: biochemical versus molecular biology approach. Biological Chemistry 2000, 381:S255.


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