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small nuclear RNA-activating protein-190; small nuclear RNA-activating protein complex polypeptide 4; PSE-binding trasnscription factor alpha; snRNA-activating protein complex subunit 4; SNAPc subunit 4; snRNA-activating protein complex 190 kD subunit; SNAPc 190 kD subunit,; proximal sequence element-binding transcription factor alpha subunit; PTF alpha subunit (SNAP190, SNAPC4)
Function:
1) component of SNAPc
2) binds to proximal sequence element
3) recruits TBP & BRF2 to the U6 snRNA TATA box
4) SNAPC4 interacts with SNAPC1, SNAPC2, SNAPC5, BRF2 & TBP
Structure:
- contains 3 HTH myb-type DNA-binding domains
- contains 2 Myb-like domains
Compartment: nucleus (putative)
General
nuclear protein
protein subunit
Properties
SIZE: MW = 190 kD
entity length = 1469 aa
MOTIF: binding site
SITE: 84-133
FOR-BINDING-OF: small nuclear RNA-activating protein-19
DNA-binding motif
SITE: 238-288
DNA-binding motif
SITE: 289-341
DNA-binding motif
SITE: 341-395
DNA-binding motif
SITE: 396-447
DNA-binding motif
SITE: 448-499
proline-rich region
SITE: 931-1264
MOTIF: proline residue (SEVERAL)
Thr phosphorylation site {T1157}
Ser phosphorylation site {S1224}
binding site
SITE: 1281-1393
FOR-BINDING-OF: small nuclear RNA-activating protein-45
Database Correlations
OMIM 602777
UniProt Q5SXM2
Pfam PF00249
Entrez Gene 6621
Kegg hsa:6621
References
- OMIM :accession 602777
- UniProt :accession Q5SXM2
Component-of
small nuclear RNA-activating protein complex (SNAPc)