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4L8R

Structure of mrna stem-loop, human stem-loop binding protein and 3'hexo ternary complex

Replaces:  4HXH
Functional Information from GO Data
ChainGOidnamespacecontents
B0000175molecular_function3'-5'-RNA exonuclease activity
B0003676molecular_functionnucleic acid binding
C0003723molecular_functionRNA binding
C0003729molecular_functionmRNA binding
E0000175molecular_function3'-5'-RNA exonuclease activity
E0003676molecular_functionnucleic acid binding
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"15451662","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1W0H","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15451662","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1W0H","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"22439849","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"21406692","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 784
ChainResidueDetails
BGLY142metal ligand
BPRO144electrostatic stabiliser, metal ligand, proton acceptor
BSER246metal ligand
BARG317electrostatic stabiliser, proton acceptor
BMSE322metal ligand

site_idMCSA2
Number of Residues5
DetailsM-CSA 784
ChainResidueDetails
EGLY142metal ligand
EPRO144electrostatic stabiliser, metal ligand, proton acceptor
ESER246metal ligand
EARG317electrostatic stabiliser, proton acceptor
EMSE322metal ligand

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PDB entries from 2025-10-15

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