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MEF2-activating SAP transcriptional regulatory protein (MASTR, MAMSTR)
Function:
- transcriptional coactivator
- stimulates transcriptional activity of MEF2C
- stimulates MYOD1 activity in part via MEF2, resulting in an enhancement of skeletal muscle differentiation (putative)
- interacts with MEF2C (putative)
Structure: contains 1 SAP domain
Compartment: nucleus (putative)
Alternative splicing: named isoforms=3
Expression:
- expressed in skeletal muscle, brain, placenta & spleen
General
nuclear protein
Properties
SIZE: entity length = 415 aa
MW = 45 kD
COMPARTMENT: cell nucleus
MOTIF: MEF2 Binding {12-28}
proline-rich region
SITE: 36-392
MOTIF: proline residue (SEVERAL)
SAP {172-206}
transcriptional activation domain
SITE: 215-415
MOTIF: serine-rich region {339-405}
MOTIF: serine residue (SEVERAL)
Database Correlations
UniProt Q6ZN01
Pfam PF02037
Kegg hsa:2843
References
UniProt :accession Q6ZN01