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6EN4

SF3b core in complex with a splicing modulator

Functional Information from GO Data
ChainGOidnamespacecontents
A0000375biological_processRNA splicing, via transesterification reactions
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
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005681cellular_componentspliceosomal complex
A0005684cellular_componentU2-type spliceosomal complex
A0005686cellular_componentU2 snRNP
A0005689cellular_componentU12-type spliceosomal complex
A0005730cellular_componentnucleolus
A0006282biological_processregulation of DNA repair
A0006397biological_processmRNA processing
A0008380biological_processRNA splicing
A0030620molecular_functionU2 snRNA binding
A0042177biological_processnegative regulation of protein catabolic process
A0043484biological_processregulation of RNA splicing
A0044877molecular_functionprotein-containing complex binding
A0045893biological_processpositive regulation of DNA-templated transcription
A0071005cellular_componentU2-type precatalytic spliceosome
A0071013cellular_componentcatalytic step 2 spliceosome
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
B0003723molecular_functionRNA binding
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005654cellular_componentnucleoplasm
B0005681cellular_componentspliceosomal complex
B0005684cellular_componentU2-type spliceosomal complex
B0005686cellular_componentU2 snRNP
B0005689cellular_componentU12-type spliceosomal complex
B0006282biological_processregulation of DNA repair
B0006397biological_processmRNA processing
B0008380biological_processRNA splicing
B0043484biological_processregulation of RNA splicing
B0045893biological_processpositive regulation of DNA-templated transcription
B0071005cellular_componentU2-type precatalytic spliceosome
B0071011cellular_componentprecatalytic spliceosome
B1903241biological_processU2-type prespliceosome assembly
B1990935molecular_functionsplicing factor binding
C0000245biological_processspliceosomal complex assembly
C0003729molecular_functionmRNA binding
D0000398biological_processmRNA splicing, via spliceosome
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue ZN D 101
ChainResidue
DCYS30
DCYS33
DCYS72
DCYS75

site_idAC2
Number of Residues4
Detailsbinding site for residue ZN D 102
ChainResidue
DCYS23
DCYS26
DCYS58
DCYS61

site_idAC3
Number of Residues4
Detailsbinding site for residue ZN D 103
ChainResidue
DCYS46
DCYS49
DCYS85
DCYS11

site_idAC4
Number of Residues12
Detailsbinding site for residue BGZ D 104
ChainResidue
CLEU1066
CLYS1071
CARG1074
CARG1075
CVAL1078
CVAL1110
CVAL1114
CPHE1153
CTYR1157
DTYR36
DVAL37
DARG38

Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. FVCSATH
ChainResidueDetails
APHE287-HIS293

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues37
DetailsRegion: {"description":"Interaction with PHF5A, SF3B1 and SF3B5","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues56
DetailsRegion: {"description":"Interaction with SF3B1 and SF3B5","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues21
DetailsRegion: {"description":"Interaction with SF3B1","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues23
DetailsRegion: {"description":"Interaction with SF3B5","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues5
DetailsSite: {"description":"Interaction with SF3B5","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsSite: {"description":"Interaction with SF3B1","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues77
DetailsRegion: {"description":"Interaction with SF3B1 and SF3B3","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsSite: {"description":"Interaction with RNA","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues3
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues39
DetailsRepeat: {"description":"HEAT 1"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues34
DetailsRepeat: {"description":"HEAT 2"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues37
DetailsRepeat: {"description":"HEAT 3"}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues34
DetailsRepeat: {"description":"HEAT 4"}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues38
DetailsRepeat: {"description":"HEAT 5"}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues38
DetailsRepeat: {"description":"HEAT 6"}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues38
DetailsRepeat: {"description":"HEAT 7"}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues38
DetailsRepeat: {"description":"HEAT 8"}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues38
DetailsRepeat: {"description":"HEAT 9"}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues38
DetailsRepeat: {"description":"HEAT 10"}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues38
DetailsRepeat: {"description":"HEAT 11"}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues39
DetailsRegion: {"description":"Interaction with SF3B14"}
ChainResidueDetails

site_idSWS_FT_FI24
Number of Residues4
DetailsRegion: {"description":"Interaction with PHF5A","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI25
Number of Residues56
DetailsRegion: {"description":"Interaction with SF3B3 and SF3B5","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI26
Number of Residues1
DetailsSite: {"description":"Interaction with PHF5A","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI27
Number of Residues4
DetailsSite: {"description":"Interaction with SF3B3","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI28
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI29
Number of Residues3
DetailsRegion: {"description":"Interaction with SF3B3","evidences":[{"source":"PubMed","id":"27720643","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI30
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"28541300","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5IFE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5SYB","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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