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4BWS

Crystal structure of the heterotrimer of PQBP1, U5-15kD and U5-52kD.

Functional Information from GO Data
ChainGOidnamespacecontents
A0000245biological_processspliceosomal complex assembly
A0000375biological_processRNA splicing, via transesterification reactions
A0000387biological_processspliceosomal snRNP assembly
A0000398biological_processmRNA splicing, via spliceosome
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005681cellular_componentspliceosomal complex
A0005682cellular_componentU5 snRNP
A0006397biological_processmRNA processing
A0008380biological_processRNA splicing
A0046540cellular_componentU4/U6 x U5 tri-snRNP complex
A0051301biological_processcell division
A0071005cellular_componentU2-type precatalytic spliceosome
C0005682cellular_componentU5 snRNP
D0000245biological_processspliceosomal complex assembly
D0000375biological_processRNA splicing, via transesterification reactions
D0000387biological_processspliceosomal snRNP assembly
D0000398biological_processmRNA splicing, via spliceosome
D0005515molecular_functionprotein binding
D0005634cellular_componentnucleus
D0005654cellular_componentnucleoplasm
D0005681cellular_componentspliceosomal complex
D0005682cellular_componentU5 snRNP
D0006397biological_processmRNA processing
D0008380biological_processRNA splicing
D0046540cellular_componentU4/U6 x U5 tri-snRNP complex
D0051301biological_processcell division
D0071005cellular_componentU2-type precatalytic spliceosome
F0005682cellular_componentU5 snRNP
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
DetailsRegion: {"description":"Important for interaction with TXNL4A"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues116
DetailsDomain: {"description":"GYF","evidences":[{"source":"PROSITE-ProRule","id":"PRU00101","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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