Annotations: 3K44

Crystal Structure of Drosophila melanogaster Pur-alpha

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	ssDNA-binding transcriptional regulator domain	8102760	3000513	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	ssDNA-binding transcriptional regulator domain	8102760	3000513	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ssDNA-binding transcriptional regulator domain	8102760	3000513	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	ssDNA-binding transcriptional regulator domain	8102760	3000513	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Abhydrolase_3	e3k44D1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Abhydrolase_3	ECOD (v295.2)
C	Abhydrolase_3	e3k44C1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Abhydrolase_3	ECOD (v295.2)
B	Abhydrolase_3	e3k44B1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Abhydrolase_3	ECOD (v295.2)
A	Enterotoxin_b	e3k44A1	A: alpha arrays	X: Cystatin-like	H: NTF2-like	T: NTF2-like	F: Enterotoxin_b	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.30.2450.30	Alpha Beta	2-Layer Sandwich	Secreted effector protein pipB2 fold		CATH (4.3.0)
C	3.30.2450.30	Alpha Beta	2-Layer Sandwich	Secreted effector protein pipB2 fold		CATH (4.3.0)
B	3.30.2450.30	Alpha Beta	2-Layer Sandwich	Secreted effector protein pipB2 fold		CATH (4.3.0)
A	3.30.2450.30	Alpha Beta	2-Layer Sandwich	Secreted effector protein pipB2 fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF04845	PurA ssDNA and RNA-binding protein (PurA)	PurA ssDNA and RNA-binding protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Purine-rich binding protein-alpha, isoform B	DNA binding binding nucleic acid binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding transcription regulatory region nucleic acid binding purine-rich negative regulatory element binding RNA binding mRNA binding identical protein binding protein binding RNA polymerase II transcription regulatory region sequence-specific DNA binding	-	cellular anatomical structure intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR006628	Purine-rich element binding protein family	Family