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4RWN

Crystal structure of the pre-reactive state of porcine OAS1

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0001730molecular_function2'-5'-oligoadenylate synthetase activity
A0002376biological_processimmune system process
A0003723molecular_functionRNA binding
A0003725molecular_functiondouble-stranded RNA binding
A0005524molecular_functionATP binding
A0005576cellular_componentextracellular region
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005783cellular_componentendoplasmic reticulum
A0005829cellular_componentcytosol
A0016020cellular_componentmembrane
A0016740molecular_functiontransferase activity
A0016779molecular_functionnucleotidyltransferase activity
A0045071biological_processnegative regulation of viral genome replication
A0045087biological_processinnate immune response
A0046872molecular_functionmetal ion binding
A0051607biological_processdefense response to virus
A0060337biological_processtype I interferon-mediated signaling pathway
A0060700biological_processregulation of ribonuclease activity
A0070106biological_processinterleukin-27-mediated signaling pathway
A0140374biological_processantiviral innate immune response
A1904188biological_processnegative regulation of transformation of host cell by virus
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE APC A 401
ChainResidue
AGLY61
ATYR230
AAPC402
AMG403
AMG404
AHOH501
AHOH522
AHOH541
AHOH545
AHOH563
AHOH578
ASER62
AHOH593
AHOH597
AHOH623
AHOH640
AHOH658
ALYS65
ASER73
AASP74
AASP76
AGLN193
ALYS212
AGLN229

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE APC A 402
ChainResidue
AASP76
AARG129
AALA130
AASP147
ALEU149
ASER186
ATHR187
ATHR190
AGLN193
AAPC401
AMG404
AHOH623
AHOH678

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 403
ChainResidue
AASP74
AASP76
AAPC401
AMG404
AHOH501

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MG A 404
ChainResidue
AASP74
AASP76
AASP147
AAPC401
AAPC402
AMG403
AHOH623

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 101
ChainResidue
BHOH217
BHOH218
BHOH219
BHOH220
BHOH236
BHOH237

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 102
ChainResidue
BU16
BHOH221
BHOH222
BHOH223
BHOH238
BHOH239

Functional Information from PROSITE/UniProt
site_idPS00832
Number of Residues20
Details25A_SYNTH_1 2'-5'-oligoadenylate synthases signature 1. GSsGKgTtLRgrsDaDLVvF
ChainResidueDetails
AGLY61-PHE80

site_idPS00833
Number of Residues11
Details25A_SYNTH_2 2'-5'-oligoadenylate synthases signature 2. RPVILDPaDPT
ChainResidueDetails
AARG295-THR305

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues57
DetailsRegion: {"description":"Interaction with dsRNA","evidences":[{"source":"UniProtKB","id":"P00973","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P00973","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18604630","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"14636576","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsSite: {"description":"Interaction with dsRNA","evidences":[{"source":"UniProtKB","id":"P00973","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

238582

PDB entries from 2025-07-09

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