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3UCG

Crystal structure of a RNA binding domain of polyadenylate-binding protein (PABPN1) from Homo sapiens at 1.95 A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0003723molecular_functionRNA binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 300
ChainResidue
AHIS211
APRO212
AARG227
AARG240
AEDO301
AHOH354

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 301
ChainResidue
AGLN241
ASO4300
AASN178
AARG227
AARG240

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 302
ChainResidue
AASN199
AASP206
AGLU219

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PEG A 303
ChainResidue
AGLY0
AMSE167

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PGE A 304
ChainResidue
ALYS207
AALA231

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues77
DetailsDomain: {"description":"RRM","evidences":[{"source":"PROSITE-ProRule","id":"PRU00176","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Omega-N-methylarginine; alternate","evidences":[{"source":"UniProtKB","id":"Q28165","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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