Protein Information

Cytoscape View


UniProt AC / UniProt ID Q13503 / MED21_HUMAN
Protein Name Mediator of RNA polymerase II transcription subunit 21
Gene Name Name: MED21
Synonyms:SRB7,SURB7;
Organism Homo sapiens (Human)

PRO ID PR:Q13503
DAG View
PRO Name mediator of RNA polymerase II transcription subunit 21 (human)
Definition A mediator of RNA polymerase II transcription subunit 21 that is encoded in the genome of human.
Short Label hMED21
Category organism-gene

Interactive Sequence View

Select/align proteoforms across species


Q13503 (MED21) as Substrate



Site PTM Type PTM Enzyme Score Source PMID
K67 Ubiquitination PhosphoSitePlus
S78 Phosphorylation IEDB 32387766
Y91 Phosphorylation PhosphoSitePlus
K92 Ubiquitination PhosphoSitePlus
K131 Ubiquitination PhosphoSitePlus
S144 Phosphorylation PhosphoSitePlus


PTM sites affected in variants

Site Variant Source PMID Disease [Sample source]
K67 T67 Biomuta DOID:2394 / ovarian cancer [ cosmic ]
Y91 C91 Biomuta DOID:5041 / esophageal cancer [ cosmic ]