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3LQV

Branch Recognition by SF3b14

Functional Information from GO Data
ChainGOidnamespacecontents
A0000387biological_processspliceosomal snRNP assembly
A0000388biological_processspliceosome conformational change to release U4 (or U4atac) and U1 (or U11)
A0000398biological_processmRNA splicing, via spliceosome
A0003676molecular_functionnucleic acid binding
A0003723molecular_functionRNA binding
A0003729molecular_functionmRNA binding
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005681cellular_componentspliceosomal complex
A0005684cellular_componentU2-type spliceosomal complex
A0005689cellular_componentU12-type spliceosomal complex
A0006397biological_processmRNA processing
A0008380biological_processRNA splicing
A1903241biological_processU2-type prespliceosome assembly
B0000387biological_processspliceosomal snRNP assembly
B0000388biological_processspliceosome conformational change to release U4 (or U4atac) and U1 (or U11)
B0000398biological_processmRNA splicing, via spliceosome
B0003676molecular_functionnucleic acid binding
B0003723molecular_functionRNA binding
B0003729molecular_functionmRNA binding
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005654cellular_componentnucleoplasm
B0005681cellular_componentspliceosomal complex
B0005684cellular_componentU2-type spliceosomal complex
B0005689cellular_componentU12-type spliceosomal complex
B0006397biological_processmRNA processing
B0008380biological_processRNA splicing
B1903241biological_processU2-type prespliceosome assembly
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE ADE A 1
ChainResidue
ATYR22
ATYR61
ATYR91
ATYR92
AASN93
AARG96
AALA97
AGLN99

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE ADE B 2
ChainResidue
BTYR61
BTYR91
BTYR92
BASN93
BARG96
BALA97
BGLN99
BTYR22

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues150
DetailsDomain: {"description":"RRM","evidences":[{"source":"PROSITE-ProRule","id":"PRU00176","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues26
DetailsRegion: {"description":"Interaction with pre-mRNA branch site"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine; alternate","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate","evidences":[{"source":"PubMed","id":"25755297","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate","evidences":[{"source":"PubMed","id":"25114211","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"25218447","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"25755297","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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