#ID(s) interactor A	ID(s) interactor B	Alt. ID(s) interactor A	Alt. ID(s) interactor B	Alias(es) interactor A	Alias(es) interactor B	Interaction detection method(s)	Publication 1st author(s)	Publication Identifier(s)	Taxid interactor A	Taxid interactor B	Interaction type(s)	Source database(s)	Interaction identifier(s)	Confidence value(s)	Expansion method(s)	Biological role(s) interactor A	Biological role(s) interactor B	Experimental role(s) interactor A	Experimental role(s) interactor B	Type(s) interactor A	Type(s) interactor B	Xref(s) interactor A	Xref(s) interactor B	Interaction Xref(s)	Annotation(s) interactor A	Annotation(s) interactor B	Interaction annotation(s)	Host organism(s)	Interaction parameter(s)	Creation date	Update date	Checksum(s) interactor A	Checksum(s) interactor B	Interaction Checksum(s)	Negative	Feature(s) interactor A	Feature(s) interactor B	Stoichiometry(s) interactor A	Stoichiometry(s) interactor B	Identification method participant A	Identification method participant B
uniprotkb:Q8NCA5	uniprotkb:Q92499	intact:EBI-1210765|uniprotkb:B2RNA2|uniprotkb:Q9Y3Y6|intact:EBI-10970131|ensembl:ENSP00000238823	intact:EBI-358474|ensembl:ENSP00000233084|ensembl:ENSP00000370745|ensembl:ENSP00000413767|ensembl:ENSP00000504080|uniprotkb:B4DME8|uniprotkb:B4DPN6	psi-mi:fa98a_human(display_long)|uniprotkb:FAM98A(gene name)|psi-mi:FAM98A(display_short)	psi-mi:ddx1_human(display_long)|uniprotkb:DDX1(gene name)|psi-mi:DDX1(display_short)|uniprotkb:DEAD box protein 1(gene name synonym)|uniprotkb:DEAD box protein retinoblastoma(gene name synonym)	psi-mi:"MI:0007"(anti tag coimmunoprecipitation)	Ozeki et al. (2019)	pubmed:29992460|imex:IM-28701	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:9606(human)|taxid:9606(Homo sapiens)	psi-mi:"MI:0914"(association)	psi-mi:"MI:0486"(UniProt)	intact:EBI-26614779|imex:IM-28701-1	-	psi-mi:"MI:1060"(spoke expansion)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0496"(bait)	psi-mi:"MI:0498"(prey)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	refseq:NP_056290.3|go:"GO:0032418"(lysosome localization)|go:"GO:0072669"(tRNA-splicing ligase complex)|go:"GO:1900029"(positive regulation of ruffle assembly)|interpro:IPR018797|mint:Q8NCA5|ensembl:ENSG00000119812(gene)|ensembl:ENST00000238823(transcript)|go:"GO:0003723"(RNA binding)|go:"GO:0006479"(protein methylation)|go:"GO:0008276"(protein methyltransferase activity)|go:"GO:0008284"(positive regulation of cell population proliferation)|go:"GO:0010628"(positive regulation of gene expression)	ensembl:ENSG00000079785(gene)|ensembl:ENST00000233084(transcript)|ensembl:ENST00000381341(transcript)|ensembl:ENST00000434671(transcript)|ensembl:ENST00000677302(transcript)|go:"GO:0000245"(spliceosomal complex assembly)|go:"GO:0002735"(positive regulation of myeloid dendritic cell cytokine production)|go:"GO:0003677"(DNA binding)|go:"GO:0003682"(chromatin binding)|go:"GO:0003712"(transcription coregulator activity)|go:"GO:0003723"(RNA binding)|go:"GO:0003724"(RNA helicase activity)|go:"GO:0003725"(double-stranded RNA binding)|go:"GO:0004518"(nuclease activity)|go:"GO:0004527"(exonuclease activity)|go:"GO:0005524"(ATP binding)|go:"GO:0005634"(nucleus)|go:"GO:0005654"(nucleoplasm)|go:"GO:0005737"(cytoplasm)|go:"GO:0005739"(mitochondrion)|go:"GO:0005829"(cytosol)|go:"GO:0006302"(double-strand break repair)|refseq:NP_004930.1|go:"GO:0006388"(tRNA splicing, via endonucleolytic cleavage and ligation)|go:"GO:0006446"(regulation of translational initiation)|go:"GO:0007275"(multicellular organism development)|go:"GO:0008143"("poly(A) binding")|go:"GO:0010494"(cytoplasmic stress granule)|go:"GO:0016020"(membrane)|go:"GO:0032508"(DNA duplex unwinding)|go:"GO:0033677"(DNA/RNA helicase activity)|go:"GO:0043123"(positive regulation of I-kappaB kinase/NF-kappaB signaling)|go:"GO:0043330"(response to exogenous dsRNA)|go:"GO:0045087"(innate immune response)|go:"GO:0051607"(defense response to virus)|go:"GO:0071920"(cleavage body)|go:"GO:0072669"(tRNA-splicing ligase complex)|go:"GO:0090305"(nucleic acid phosphodiester bond hydrolysis)|go:"GO:0140603"(obsolete ATP hydrolysis activity)|go:"GO:1903608"(protein localization to cytoplasmic stress granule)|go:"GO:1990904"(ribonucleoprotein complex)|interpro:IPR001650(DNA/RNA helicase, C-terminal)|interpro:IPR001870("B302 (SPRY)-like")|interpro:IPR003877(SPla/RYanodine receptor SPRY)|interpro:IPR011545(DNA/RNA helicase, DEAD/DEAH box type, N-terminal)|interpro:IPR013320(Concanavalin A-like lectin/glucanase, subgroup)|interpro:IPR014001(DEAD-like helicase, N-terminal)|interpro:IPR014014(RNA helicase, DEAD-box type, Q motif)|interpro:IPR027417|interpro:IPR043136|mint:Q92499|rcsb pdb:4XW3|reactome:R-HSA-6784531|dip:DIP-38163N	-	-	-	figure legend:Fig.4A|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:9606(human-hela)|taxid:9606(Homo sapiens epitheloid cervix carcinoma cells)	-	2021/02/02	2021/02/02	rogid:MEsSX6iNk+0s/sLuUawu0GR9bW89606	rogid:n2Zv07BpuUDT32/ttDzIFXH3yIQ9606	rigid:m9WcJhjck19YuAR3mDPQ4tpF8MA	false	flag tag:?-?|sufficient binding region:1-329	-	-	-	psi-mi:"MI:0113"(western blot)	psi-mi:"MI:0113"(western blot)
uniprotkb:Q8NCA5	uniprotkb:Q7Z417	intact:EBI-1210765|uniprotkb:B2RNA2|uniprotkb:Q9Y3Y6|intact:EBI-10970131|ensembl:ENSP00000238823	intact:EBI-1210753|intact:EBI-10172018|uniprotkb:A1L3A7|uniprotkb:Q9P2M5|uniprotkb:A1L3A6|ensembl:ENSP00000225388	psi-mi:fa98a_human(display_long)|uniprotkb:FAM98A(gene name)|psi-mi:FAM98A(display_short)	psi-mi:nufp2_human(display_long)|uniprotkb:NUFIP2(gene name)|psi-mi:NUFIP2(display_short)|uniprotkb:KIAA1321(gene name synonym)|uniprotkb:PIG1(orf name)|uniprotkb:FMRP-interacting protein 2(gene name synonym)|uniprotkb:82 kDa FMRP-interacting protein(gene name synonym)|uniprotkb:Cell proliferation-inducing gene 1 protein(gene name synonym)	psi-mi:"MI:0007"(anti tag coimmunoprecipitation)	Ozeki et al. (2019)	pubmed:29992460|imex:IM-28701	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:9606(human)|taxid:9606(Homo sapiens)	psi-mi:"MI:0914"(association)	psi-mi:"MI:0486"(UniProt)	intact:EBI-26614779|imex:IM-28701-1	-	psi-mi:"MI:1060"(spoke expansion)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0496"(bait)	psi-mi:"MI:0498"(prey)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	refseq:NP_056290.3|go:"GO:0032418"(lysosome localization)|go:"GO:0072669"(tRNA-splicing ligase complex)|go:"GO:1900029"(positive regulation of ruffle assembly)|interpro:IPR018797|mint:Q8NCA5|ensembl:ENSG00000119812(gene)|ensembl:ENST00000238823(transcript)|go:"GO:0003723"(RNA binding)|go:"GO:0006479"(protein methylation)|go:"GO:0008276"(protein methyltransferase activity)|go:"GO:0008284"(positive regulation of cell population proliferation)|go:"GO:0010628"(positive regulation of gene expression)	refseq:NP_065823.1|dip:DIP-29023N|ensembl:ENSG00000108256(gene)|ensembl:ENST00000225388(transcript)|go:"GO:0003723"(RNA binding)|go:"GO:0005634"(nucleus)|go:"GO:0005654"(nucleoplasm)|go:"GO:0005737"(cytoplasm)|go:"GO:0005829"(cytosol)|go:"GO:0010494"(cytoplasmic stress granule)|go:"GO:0016020"(membrane)|go:"GO:0016604"(nuclear body)|go:"GO:0042788"(polysomal ribosome)|interpro:IPR032747|mint:Q7Z417	-	-	-	figure legend:Fig.4A|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:9606(human-hela)|taxid:9606(Homo sapiens epitheloid cervix carcinoma cells)	-	2021/02/02	2021/02/02	rogid:MEsSX6iNk+0s/sLuUawu0GR9bW89606	rogid:zdbkRisveP+8g70umfbEPHTnAgk9606	rigid:m9WcJhjck19YuAR3mDPQ4tpF8MA	false	flag tag:?-?|sufficient binding region:1-329	-	-	-	psi-mi:"MI:0113"(western blot)	psi-mi:"MI:0113"(western blot)
uniprotkb:Q8NCA5	uniprotkb:Q8WWM7	intact:EBI-1210765|uniprotkb:B2RNA2|uniprotkb:Q9Y3Y6|intact:EBI-10970131|ensembl:ENSP00000238823	intact:EBI-948363|ensembl:ENSP00000338718|uniprotkb:O95135|uniprotkb:Q6NVJ8|uniprotkb:Q6PJW6|uniprotkb:Q8IU61|uniprotkb:Q8IU95|uniprotkb:Q8WWM3|uniprotkb:Q8WWM4|uniprotkb:Q8WWM5|uniprotkb:Q8WWM6|uniprotkb:Q99703|uniprotkb:B9EGM2|uniprotkb:E9PAR9|uniprotkb:A8K1R6|uniprotkb:Q63ZY4	psi-mi:fa98a_human(display_long)|uniprotkb:FAM98A(gene name)|psi-mi:FAM98A(display_short)	psi-mi:atx2l_human(display_long)|uniprotkb:Ataxin-2 domain protein(gene name synonym)|uniprotkb:Ataxin-2-related protein(gene name synonym)|uniprotkb:ATXN2L(gene name)|psi-mi:ATXN2L(display_short)|uniprotkb:A2D(gene name synonym)|uniprotkb:A2LG(gene name synonym)|uniprotkb:A2LP(gene name synonym)|uniprotkb:A2RP(gene name synonym)	psi-mi:"MI:0007"(anti tag coimmunoprecipitation)	Ozeki et al. (2019)	pubmed:29992460|imex:IM-28701	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:9606(human)|taxid:9606(Homo sapiens)	psi-mi:"MI:0914"(association)	psi-mi:"MI:0486"(UniProt)	intact:EBI-26614779|imex:IM-28701-1	-	psi-mi:"MI:1060"(spoke expansion)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0496"(bait)	psi-mi:"MI:0498"(prey)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	refseq:NP_056290.3|go:"GO:0032418"(lysosome localization)|go:"GO:0072669"(tRNA-splicing ligase complex)|go:"GO:1900029"(positive regulation of ruffle assembly)|interpro:IPR018797|mint:Q8NCA5|ensembl:ENSG00000119812(gene)|ensembl:ENST00000238823(transcript)|go:"GO:0003723"(RNA binding)|go:"GO:0006479"(protein methylation)|go:"GO:0008276"(protein methyltransferase activity)|go:"GO:0008284"(positive regulation of cell population proliferation)|go:"GO:0010628"(positive regulation of gene expression)	ensembl:ENSG00000168488(gene)|ensembl:ENST00000336783(transcript)|go:"GO:0003723"(RNA binding)|go:"GO:0005829"(cytosol)|go:"GO:0010494"(cytoplasmic stress granule)|go:"GO:0010603"(regulation of cytoplasmic mRNA processing body assembly)|go:"GO:0016020"(membrane)|go:"GO:0016607"(nuclear speck)|go:"GO:0034063"(stress granule assembly)|go:"GO:0045296"(cadherin binding)|interpro:IPR009604(Ataxin-2, N-terminal)|interpro:IPR009818(Ataxin-2, C-terminal)|interpro:IPR025852|mint:Q8WWM7|refseq:NP_009176.2|refseq:NP_663760.1|refseq:NP_680780.1|refseq:NP_680781.1|refseq:XP_005255123.1|refseq:NP_059867.3|refseq:NP_680782.1	-	-	-	figure legend:Fig.4A|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:9606(human-hela)|taxid:9606(Homo sapiens epitheloid cervix carcinoma cells)	-	2021/02/02	2021/02/02	rogid:MEsSX6iNk+0s/sLuUawu0GR9bW89606	rogid:t7lrS10IM/5pt+rrbqBRowZ6b+09606	rigid:m9WcJhjck19YuAR3mDPQ4tpF8MA	false	flag tag:?-?|sufficient binding region:1-329	-	-	-	psi-mi:"MI:0113"(western blot)	psi-mi:"MI:0113"(western blot)
uniprotkb:Q8NCA5	uniprotkb:Q99700	intact:EBI-1210765|uniprotkb:B2RNA2|uniprotkb:Q9Y3Y6|intact:EBI-10970131|ensembl:ENSP00000238823	intact:EBI-697691|uniprotkb:Q6ZQZ7|uniprotkb:Q99493|uniprotkb:A6NLD4|uniprotkb:Q24JQ7|ensembl:ENSP00000446576	psi-mi:fa98a_human(display_long)|uniprotkb:FAM98A(gene name)|psi-mi:FAM98A(display_short)	psi-mi:atx2_human(display_long)|uniprotkb:Spinocerebellar ataxia type 2 protein(gene name synonym)|uniprotkb:Trinucleotide repeat-containing gene 13 protein(gene name synonym)|uniprotkb:SCA2(gene name synonym)|uniprotkb:TNRC13(gene name synonym)|uniprotkb:ATXN2(gene name)|psi-mi:ATXN2(display_short)|uniprotkb:ATX2(gene name synonym)	psi-mi:"MI:0007"(anti tag coimmunoprecipitation)	Ozeki et al. (2019)	pubmed:29992460|imex:IM-28701	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:9606(human)|taxid:9606(Homo sapiens)	psi-mi:"MI:0914"(association)	psi-mi:"MI:0486"(UniProt)	intact:EBI-26614779|imex:IM-28701-1	-	psi-mi:"MI:1060"(spoke expansion)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0496"(bait)	psi-mi:"MI:0498"(prey)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	refseq:NP_056290.3|go:"GO:0032418"(lysosome localization)|go:"GO:0072669"(tRNA-splicing ligase complex)|go:"GO:1900029"(positive regulation of ruffle assembly)|interpro:IPR018797|mint:Q8NCA5|ensembl:ENSG00000119812(gene)|ensembl:ENST00000238823(transcript)|go:"GO:0003723"(RNA binding)|go:"GO:0006479"(protein methylation)|go:"GO:0008276"(protein methyltransferase activity)|go:"GO:0008284"(positive regulation of cell population proliferation)|go:"GO:0010628"(positive regulation of gene expression)	refseq:NP_002964.3|refseq:NP_001297052.1|ensembl:ENSG00000204842(gene)|ensembl:ENST00000550104(transcript)|go:"GO:0002091"(negative regulation of receptor internalization)|go:"GO:0003723"(RNA binding)|go:"GO:0005154"(epidermal growth factor receptor binding)|go:"GO:0005794"(Golgi apparatus)|go:"GO:0005802"(trans-Golgi network)|go:"GO:0005829"(cytosol)|go:"GO:0005844"(polysome)|go:"GO:0006417"(regulation of translation)|go:"GO:0008022"(protein C-terminus binding)|go:"GO:0010494"(cytoplasmic stress granule)|go:"GO:0010603"(regulation of cytoplasmic mRNA processing body assembly)|go:"GO:0016020"(membrane)|go:"GO:0016070"(RNA metabolic process)|go:"GO:0033962"(P-body assembly)|go:"GO:0034063"(stress granule assembly)|go:"GO:0048471"(perinuclear region of cytoplasm)|go:"GO:0050658"(RNA transport)|go:"GO:1990904"(ribonucleoprotein complex)|interpro:IPR009604(Ataxin-2, N-terminal)|interpro:IPR009818(Ataxin-2, C-terminal)|interpro:IPR010920(Like-Sm ribonucleoprotein-related, core)|interpro:IPR025852|interpro:IPR033093|mint:Q99700|rcsb pdb:3KTR|go:"GO:0005737"(cytoplasm)|ensembl:ENST00000535949|ensembl:ENSP00000439338|ensembl:ENSP00000446576|ensembl:ENST00000616825|ensembl:ENSP00000481448|dip:DIP-33372N	-	-	-	figure legend:Fig.4A|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:9606(human-hela)|taxid:9606(Homo sapiens epitheloid cervix carcinoma cells)	-	2021/02/02	2021/02/02	rogid:MEsSX6iNk+0s/sLuUawu0GR9bW89606	rogid:HGRv/9J/X3JIj2KmcHviwd2ygPw9606	rigid:m9WcJhjck19YuAR3mDPQ4tpF8MA	false	flag tag:?-?|sufficient binding region:1-329	-	-	-	psi-mi:"MI:0113"(western blot)	psi-mi:"MI:0113"(western blot)
uniprotkb:Q92499	uniprotkb:Q8NCA5	intact:EBI-358474|ensembl:ENSP00000233084|ensembl:ENSP00000370745|ensembl:ENSP00000413767|ensembl:ENSP00000504080|uniprotkb:B4DME8|uniprotkb:B4DPN6	intact:EBI-1210765|uniprotkb:B2RNA2|uniprotkb:Q9Y3Y6|intact:EBI-10970131|ensembl:ENSP00000238823	psi-mi:ddx1_human(display_long)|uniprotkb:DDX1(gene name)|psi-mi:DDX1(display_short)|uniprotkb:DEAD box protein 1(gene name synonym)|uniprotkb:DEAD box protein retinoblastoma(gene name synonym)	psi-mi:fa98a_human(display_long)|uniprotkb:FAM98A(gene name)|psi-mi:FAM98A(display_short)	psi-mi:"MI:0007"(anti tag coimmunoprecipitation)	Ozeki et al. (2019)	pubmed:29992460|imex:IM-28701	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:9606(human)|taxid:9606(Homo sapiens)	psi-mi:"MI:0915"(physical association)	psi-mi:"MI:0486"(UniProt)	intact:EBI-26614788|imex:IM-28701-3	-	-	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0498"(prey)	psi-mi:"MI:0496"(bait)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	ensembl:ENSG00000079785(gene)|ensembl:ENST00000233084(transcript)|ensembl:ENST00000381341(transcript)|ensembl:ENST00000434671(transcript)|ensembl:ENST00000677302(transcript)|go:"GO:0000245"(spliceosomal complex assembly)|go:"GO:0002735"(positive regulation of myeloid dendritic cell cytokine production)|go:"GO:0003677"(DNA binding)|go:"GO:0003682"(chromatin binding)|go:"GO:0003712"(transcription coregulator activity)|go:"GO:0003723"(RNA binding)|go:"GO:0003724"(RNA helicase activity)|go:"GO:0003725"(double-stranded RNA binding)|go:"GO:0004518"(nuclease activity)|go:"GO:0004527"(exonuclease activity)|go:"GO:0005524"(ATP binding)|go:"GO:0005634"(nucleus)|go:"GO:0005654"(nucleoplasm)|go:"GO:0005737"(cytoplasm)|go:"GO:0005739"(mitochondrion)|go:"GO:0005829"(cytosol)|go:"GO:0006302"(double-strand break repair)|refseq:NP_004930.1|go:"GO:0006388"(tRNA splicing, via endonucleolytic cleavage and ligation)|go:"GO:0006446"(regulation of translational initiation)|go:"GO:0007275"(multicellular organism development)|go:"GO:0008143"("poly(A) binding")|go:"GO:0010494"(cytoplasmic stress granule)|go:"GO:0016020"(membrane)|go:"GO:0032508"(DNA duplex unwinding)|go:"GO:0033677"(DNA/RNA helicase activity)|go:"GO:0043123"(positive regulation of I-kappaB kinase/NF-kappaB signaling)|go:"GO:0043330"(response to exogenous dsRNA)|go:"GO:0045087"(innate immune response)|go:"GO:0051607"(defense response to virus)|go:"GO:0071920"(cleavage body)|go:"GO:0072669"(tRNA-splicing ligase complex)|go:"GO:0090305"(nucleic acid phosphodiester bond hydrolysis)|go:"GO:0140603"(obsolete ATP hydrolysis activity)|go:"GO:1903608"(protein localization to cytoplasmic stress granule)|go:"GO:1990904"(ribonucleoprotein complex)|interpro:IPR001650(DNA/RNA helicase, C-terminal)|interpro:IPR001870("B302 (SPRY)-like")|interpro:IPR003877(SPla/RYanodine receptor SPRY)|interpro:IPR011545(DNA/RNA helicase, DEAD/DEAH box type, N-terminal)|interpro:IPR013320(Concanavalin A-like lectin/glucanase, subgroup)|interpro:IPR014001(DEAD-like helicase, N-terminal)|interpro:IPR014014(RNA helicase, DEAD-box type, Q motif)|interpro:IPR027417|interpro:IPR043136|mint:Q92499|rcsb pdb:4XW3|reactome:R-HSA-6784531|dip:DIP-38163N	refseq:NP_056290.3|go:"GO:0032418"(lysosome localization)|go:"GO:0072669"(tRNA-splicing ligase complex)|go:"GO:1900029"(positive regulation of ruffle assembly)|interpro:IPR018797|mint:Q8NCA5|ensembl:ENSG00000119812(gene)|ensembl:ENST00000238823(transcript)|go:"GO:0003723"(RNA binding)|go:"GO:0006479"(protein methylation)|go:"GO:0008276"(protein methyltransferase activity)|go:"GO:0008284"(positive regulation of cell population proliferation)|go:"GO:0010628"(positive regulation of gene expression)	-	-	-	figure legend:Fig.4A|full coverage:Only protein-protein interactions|curation depth:imex curation	taxid:9606(human-hela)|taxid:9606(Homo sapiens epitheloid cervix carcinoma cells)	-	2021/02/02	2021/02/02	rogid:n2Zv07BpuUDT32/ttDzIFXH3yIQ9606	rogid:MEsSX6iNk+0s/sLuUawu0GR9bW89606	rigid:IvQdGwAhimit9qERkrkAk0wQ4l8	false	-	flag tag:?-?|sufficient binding region:329-518	-	-	psi-mi:"MI:0113"(western blot)	psi-mi:"MI:0113"(western blot)