Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth B]SCOP2 FamilyEukaryotic type KH-domain (KH-domain type I) 8045248 4001190 SCOP2 (2022-06-29)
A [auth B]SCOP2 FamilyQua1 domain-like 8089876 4004372 SCOP2 (2022-06-29)
A [auth B]SCOP2 SuperfamilyEukaryotic type KH-domain (KH-domain type I) 8089874 3001023 SCOP2 (2022-06-29)
A [auth B]SCOP2 SuperfamilyQua1 domain-like 8089877 3002397 SCOP2 (2022-06-29)
B [auth A]SCOP2B SuperfamilyEukaryotic type KH-domain (KH-domain type I) 8089874 3001023 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth B]Qua1e5eltB2 A: alpha duplicates or obligate multimersX: Qua1 (From Topology)H: Qua1 (From Topology)T: Qua1F: Qua1ECOD (1.6)
A [auth B]KH_1e5eltB1 A: a+b two layersX: Alpha-lytic protease prodomain-likeH: KH-domainsT: Eukaryotic type KH-domain (KH-domain type I)F: KH_1ECOD (1.6)
B [auth A]Qua1e5eltA1 A: alpha duplicates or obligate multimersX: Qua1 (From Topology)H: Qua1 (From Topology)T: Qua1F: Qua1ECOD (1.6)
B [auth A]KH_1e5eltA2 A: a+b two layersX: Alpha-lytic protease prodomain-likeH: KH-domainsT: Eukaryotic type KH-domain (KH-domain type I)F: KH_1ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth B],
B [auth A]
PF16274Qua1 domain (Qua1)Qua1 domainThis domain, approximately 40 residues in length, is mainly found in KH-domain containing, RNA-binding, signal transduction-associated protein 1 from yeast to human [1]. It forms a homodimer composed of a perpendicular interaction of two helical ha ...This domain, approximately 40 residues in length, is mainly found in KH-domain containing, RNA-binding, signal transduction-associated protein 1 from yeast to human [1]. It forms a homodimer composed of a perpendicular interaction of two helical hairpins, and the Qua1 domain is sufficient for homodimerization which is required for the regulation of alternative splicing [2].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth B],
B [auth A]
KH domain-containing, RNA-binding, signal transduction-associated protein 3
C [auth E],
D [auth F]
RNA (5'-R(P*UP*AP*AP*U)-3')---