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4MSX

Crystal structure of an essential yeast splicing factor

Functional Information from GO Data
ChainGOidnamespacecontents
A0000245biological_processspliceosomal complex assembly
A0000398biological_processmRNA splicing, via spliceosome
A0004843molecular_functioncysteine-type deubiquitinase activity
A0005634cellular_componentnucleus
A0005681cellular_componentspliceosomal complex
A0006397biological_processmRNA processing
A0008270molecular_functionzinc ion binding
A0008380biological_processRNA splicing
A0016579biological_processprotein deubiquitination
A0046540cellular_componentU4/U6 x U5 tri-snRNP complex
A0046872molecular_functionmetal ion binding
A1990904cellular_componentribonucleoprotein complex
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 501
ChainResidue
ACYS60
ACYS63
AHIS79
AHIS85

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT A 502
ChainResidue
AHOH909
AASN346
AARG347
AASP349
AASN360
AHOH777

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00502","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

244349

PDB entries from 2025-11-05

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