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7AM1

Structure of yeast Ssd1, a pseudonuclease

Functional Information from GO Data
ChainGOidnamespacecontents
A0003723molecular_functionRNA binding
A0004540molecular_functionRNA nuclease activity
B0003723molecular_functionRNA binding
B0004540molecular_functionRNA nuclease activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
Detailsbinding site for residue 1PE A 1301
ChainResidue
AVAL546
AARG549
AHOH1667

site_idAC2
Number of Residues3
Detailsbinding site for residue 1PE A 1302
ChainResidue
AGLN521
ATYR1041
AGLN1046

site_idAC3
Number of Residues2
Detailsbinding site for residue 1PE A 1303
ChainResidue
AASP646
ALYS759

site_idAC4
Number of Residues2
Detailsbinding site for residue 1PE B 1301
ChainResidue
BTRP583
BTHR558

site_idAC5
Number of Residues4
Detailsbinding site for residue TRS B 1302
ChainResidue
BTYR344
BVAL546
BARG549
BHOH1464

site_idAC6
Number of Residues2
Detailsbinding site for residue 1PE B 1303
ChainResidue
BTYR984
BASN987

Functional Information from PROSITE/UniProt
site_idPS01175
Number of Residues25
DetailsRIBONUCLEASE_II Ribonuclease II family signature. HYALnlpi.YThFTAPMRRYaDhvvH
ChainResidueDetails
AHIS983-HIS1007

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues150
DetailsDomain: {"description":"CSD2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues642
DetailsDomain: {"description":"RNB","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues168
DetailsDomain: {"description":"DIS3L2 C-terminal","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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