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1A9N

CRYSTAL STRUCTURE OF THE SPLICEOSOMAL U2B''-U2A' PROTEIN COMPLEX BOUND TO A FRAGMENT OF U2 SMALL NUCLEAR RNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0000398biological_processmRNA splicing, via spliceosome
A0030620molecular_functionU2 snRNA binding
B0003676molecular_functionnucleic acid binding
B0003723molecular_functionRNA binding
C0000398biological_processmRNA splicing, via spliceosome
C0030620molecular_functionU2 snRNA binding
D0003676molecular_functionnucleic acid binding
D0003723molecular_functionRNA binding
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues42
DetailsRepeat: {"description":"LRR 1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues42
DetailsRepeat: {"description":"LRR 2"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues42
DetailsRepeat: {"description":"LRR 3"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues42
DetailsRepeat: {"description":"LRR 4"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues76
DetailsDomain: {"description":"LRRCT"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine; alternate","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues158
DetailsDomain: {"description":"RRM 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00176","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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