Q9BYX4 (IFIH1_HUMAN) Homo sapiens (Human)

Interferon-induced helicase C domain-containing protein 1 UniProtKBInterProSTRINGInteractive Modelling

1025 aa; Sequence (Fasta) ; (Isoform 2; )

Sequence Features

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 907Zinc
 910Zinc
 962Zinc
 964Zinc
 337R -> G (in AGS7; enhances the interferon signaling pathway activation; enhances the stability of filament formation; enhances dsRNA binding activity; no loss of ATP hydrolysis; dbSNP:rs587777447) VAR_071375 dbSNP
 372L -> F (in AGS7; enhances IFNB1 promoter activation; loss of ligand-induced responsiveness; dbSNP:rs587777576) VAR_071376 dbSNP
 393D -> V (in AGS7; enhances the interferon signaling pathway activation; enhances the stability of filament formation; enhances dsRNA binding activity; no loss of ATP hydrolysis; dbSNP:rs587777449) VAR_071377 dbSNP
 452A -> T (in AGS7; enhances IFNB1 promoter activation; loss of ligand-induced responsiveness; dbSNP:rs587777575) VAR_071378 dbSNP
 460H -> R (in dbSNP:rs10930046) VAR_031226 dbSNP
 495G -> R (in AGS7; enhances the interferon signaling pathway activation; enhances the stability of filament formation; enhances dsRNA binding activity; no loss of ATP hydrolysis; dbSNP:rs672601336) VAR_071379 dbSNP
 720R -> Q (in AGS7; enhances the interferon signaling pathway activation; enhances the stability of filament formation; enhances dsRNA binding activity; no loss of ATP hydrolysis; dbSNP:rs587777445) VAR_071380 dbSNP
 779R -> C (in AGS7; enhances the interferon signaling pathway activation; enhances the stability of filament formation; enhances dsRNA binding activity; no loss of ATP hydrolysis; dbSNP:rs587777448) VAR_071381 dbSNP
 779R -> H (in AGS7; enhances the interferon signaling pathway activation; enhances the stability of filament formation; enhances dsRNA binding activity; enhances IFNB1 promoter activation; no loss of ATP hydrolysis; dbSNP:rs587777446) VAR_071382 dbSNP
 822R -> Q (in SGMRT1; gain-of-function mutation resulting in enhanced INFB1 induction; dbSNP:rs376048533) VAR_073666 dbSNP
 843H -> R (in dbSNP:rs3747517) VAR_021594 dbSNP
 946A -> T (associated with susceptibility to IDDM19; dbSNP:rs1990760) VAR_021595 dbSNP
 208-209Cleavage
 216-217Cleavage
 251-252Cleavage
 8-97Caspase recruitment domain
IPR031964PF16739
 111-200Caspase recruitment domain
IPR031964PF16739
 306-491Helicase/UvrB, N-terminal
IPR006935PF04851
 522-692RIG-I receptor, C-terminal
IPR041204PF18119
 706-825Helicase, C-terminal
IPR001650PF00271
 904-1017RIG-I-like receptor, C-terminal regulatory domain
IPR021673PF11648

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRange
Cryo-EM structure of MDA5-dsRNA in complex with TRIM65 PSpry domain (Monomer) Heteromer
Q6PJ69;
ZN;ADP;ALF;MG;7jl0305-1017
Assess
Cryo-EM structure of MDA5-dsRNA filament in complex with TRIM65 PSpry domain (Trimer) Heteromer
Q6PJ69;
ZN;ADP;ALF;MG;7jl2305-1017
Assess
Structural Basis for dsRNA duplex backbone recognition by MDA5monomer ANP;ZN;4gl2306-1013
Assess
Crystal structure of human DECH-box RNA Helicase MDA5 (Melanoma differentiation-associated protein …monomer NA;3b6e292-490
Assess
Solution structure of MDA5 CTDmonomer ZN;2rqb896-1025
Assess
Crystal structure of the C-terminal domain of human MDA5monomer ZN;3ga3893-1017
Assess

Homology models

Oligo-stateQMEANTemplateRangeSeq id (%)Ligands
monomer -1.89 6gjz.1.A306-1020
80.82ANP;
Assess

Homology models built on isoform sequence

IsoformOligo-stateLigandsQMEANTemplateRangeSeq id (%)
Isoform 2homo-4-mer-2.676bzh.1.A8-191
22.16
Assess
Isoform 2monomer-4.845wlc.41.A51-194
14.07
Assess