3K44 | pdb_00003k44

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)
A	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)
C	SCOP2B Superfamily	ssDNA-binding transcriptional regulator domain	8102760	3000513	SCOP2B (2022-06-29)
D	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)
A	Enterotoxin_b	e3k44A1	A: a/b three-layered sandwiches	X: Cystatin-like	H: NTF2-like	T: NTF2-like	F: Enterotoxin_b	ECOD (v294.1)
B	Abhydrolase_3	e3k44B1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Abhydrolase_3	ECOD (v294.1)
C	Abhydrolase_3	e3k44C1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Abhydrolase_3	ECOD (v294.1)
D	Abhydrolase_3	e3k44D1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Abhydrolase_3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.