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SummaryStructural detailsExperimental detailsFunctional detailsSequence NeighborHistoryDownloads

3SIU

Structure of a hPrp31-15.5K-U4atac 5' stem loop complex, monomeric form

Functional Information from GO Data
ChainGOidnamespacecontents
A0000244biological_processspliceosomal tri-snRNP complex assembly
A0000245biological_processspliceosomal complex assembly
A0000387biological_processspliceosomal snRNP assembly
A0000388biological_processspliceosome conformational change to release U4 (or U4atac) and U1 (or U11)
A0000398biological_processmRNA splicing, via spliceosome
A0000451biological_processrRNA 2'-O-methylation
A0000492biological_processbox C/D snoRNP assembly
A0001651cellular_componentdense fibrillar component
A0003723molecular_functionRNA binding
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005681cellular_componentspliceosomal complex
A0005690cellular_componentU4atac snRNP
A0005730cellular_componentnucleolus
A0006397biological_processmRNA processing
A0008380biological_processRNA splicing
A0016556biological_processmRNA modification
A0030182biological_processneuron differentiation
A0030490biological_processmaturation of SSU-rRNA
A0030515molecular_functionsnoRNA binding
A0030621molecular_functionU4 snRNA binding
A0030622molecular_functionU4atac snRNA binding
A0031428cellular_componentbox C/D methylation guide snoRNP complex
A0032040cellular_componentsmall-subunit processome
A0032991cellular_componentprotein-containing complex
A0034511molecular_functionU3 snoRNA binding
A0034512molecular_functionbox C/D sno(s)RNA binding
A0042254biological_processribosome biogenesis
A0042274biological_processribosomal small subunit biogenesis
A0046540cellular_componentU4/U6 x U5 tri-snRNP complex
A0051117molecular_functionATPase binding
A0071005cellular_componentU2-type precatalytic spliceosome
A0071011cellular_componentprecatalytic spliceosome
A1990904cellular_componentribonucleoprotein complex
B0000244biological_processspliceosomal tri-snRNP complex assembly
B0000398biological_processmRNA splicing, via spliceosome
B0046540cellular_componentU4/U6 x U5 tri-snRNP complex
D0000244biological_processspliceosomal tri-snRNP complex assembly
D0000245biological_processspliceosomal complex assembly
D0000387biological_processspliceosomal snRNP assembly
D0000388biological_processspliceosome conformational change to release U4 (or U4atac) and U1 (or U11)
D0000398biological_processmRNA splicing, via spliceosome
D0000451biological_processrRNA 2'-O-methylation
D0000492biological_processbox C/D snoRNP assembly
D0001651cellular_componentdense fibrillar component
D0003723molecular_functionRNA binding
D0005515molecular_functionprotein binding
D0005634cellular_componentnucleus
D0005654cellular_componentnucleoplasm
D0005681cellular_componentspliceosomal complex
D0005690cellular_componentU4atac snRNP
D0005730cellular_componentnucleolus
D0006397biological_processmRNA processing
D0008380biological_processRNA splicing
D0016556biological_processmRNA modification
D0030182biological_processneuron differentiation
D0030490biological_processmaturation of SSU-rRNA
D0030515molecular_functionsnoRNA binding
D0030621molecular_functionU4 snRNA binding
D0030622molecular_functionU4atac snRNA binding
D0031428cellular_componentbox C/D methylation guide snoRNP complex
D0032040cellular_componentsmall-subunit processome
D0032991cellular_componentprotein-containing complex
D0034511molecular_functionU3 snoRNA binding
D0034512molecular_functionbox C/D sno(s)RNA binding
D0042254biological_processribosome biogenesis
D0042274biological_processribosomal small subunit biogenesis
D0046540cellular_componentU4/U6 x U5 tri-snRNP complex
D0051117molecular_functionATPase binding
D0071005cellular_componentU2-type precatalytic spliceosome
D0071011cellular_componentprecatalytic spliceosome
D1990904cellular_componentribonucleoprotein complex
E0000244biological_processspliceosomal tri-snRNP complex assembly
E0000398biological_processmRNA splicing, via spliceosome
E0046540cellular_componentU4/U6 x U5 tri-snRNP complex
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 1
ChainResidue
BALA87
BPRO88
BGLU89
ELYS117
EARG186
site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 D 129
ChainResidue
DGLN87
DARG91
ASER85
AHOH129
DARG84
DSER85
Functional Information from PROSITE/UniProt
site_idPS01082
Number of Residues18
DetailsRIBOSOMAL_L7AE Ribosomal protein L7Ae signature. CedknVPYvfVrSKqaLG
ChainResidueDetails
ACYS73-GLY90
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsRegion: {"description":"Interaction with U4 snRNA and U4atac snRNA","evidences":[{"source":"PubMed","id":"17412961","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21784869","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI2
Number of Residues64
DetailsRegion: {"description":"Important for U4 snRNA-binding","evidences":[{"source":"PubMed","id":"10545122","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"Interaction with U4 snRNA and U4atac snRNA","evidences":[{"source":"PubMed","id":"17412961","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21784869","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q9D0T1","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails
site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails
site_idSWS_FT_FI6
Number of Residues68
DetailsCoiled coil: {"evidences":[{"source":"PubMed","id":"17412961","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI7
Number of Residues2
DetailsSite: {"description":"Interaction with U4 snRNA","evidences":[{"source":"PubMed","id":"17412961","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI8
Number of Residues6
DetailsSite: {"description":"Interaction with U4 snRNA and U4atac snRNA","evidences":[{"source":"PubMed","id":"17412961","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails
site_idSWS_FT_FI9
Number of Residues2
DetailsSite: {"description":"Interaction with U4atac snRNA","evidences":[{"source":"PubMed","id":"17412961","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

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PDB entries from 2025-12-24

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