4A75

The Lin28b Cold shock domain in complex with hexathymidine.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4a75a1	All beta proteins	OB-fold	Nucleic acid-binding proteins	automated matches	automated matches	WESTERN CLAWED FROG (Xenopus tropicalis ) [TaxId: 8364 ],	SCOPe (2.08)
A	d4a75a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	WESTERN CLAWED FROG (Xenopus tropicalis ) [TaxId: 8364 ],	SCOPe (2.08)
C	d4a75c_	All beta proteins	OB-fold	Nucleic acid-binding proteins	automated matches	automated matches	WESTERN CLAWED FROG (Xenopus tropicalis ) [TaxId: 8364 ],	SCOPe (2.08)
E	d4a75e1	All beta proteins	OB-fold	Nucleic acid-binding proteins	automated matches	automated matches	WESTERN CLAWED FROG (Xenopus tropicalis ) [TaxId: 8364 ],	SCOPe (2.08)
E	d4a75e2	Artifacts	Tags	Tags	Tags	N-terminal Tags	WESTERN CLAWED FROG (Xenopus tropicalis ) [TaxId: 8364 ],	SCOPe (2.08)
G	d4a75g1	All beta proteins	OB-fold	Nucleic acid-binding proteins	automated matches	automated matches	WESTERN CLAWED FROG (Xenopus tropicalis ) [TaxId: 8364 ],	SCOPe (2.08)
G	d4a75g2	Artifacts	Tags	Tags	Tags	N-terminal Tags	WESTERN CLAWED FROG (Xenopus tropicalis ) [TaxId: 8364 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nucleic acid-binding proteins	8065424	3000135	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nucleic acid-binding proteins	8065424	3000135	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Nucleic acid-binding proteins	8065424	3000135	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Nucleic acid-binding proteins	8065424	3000135	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	CSD	e4a75A1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: CSD	ECOD (1.6)
C	CSD	e4a75C2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: CSD	ECOD (1.6)
E	CSD	e4a75E2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: CSD	ECOD (1.6)
G	CSD	e4a75G2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: CSD	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
C	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
E	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
G	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C, E, G	PF00313	'Cold-shock' DNA-binding domain (CSD)	'Cold-shock' DNA-binding domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E, G	LIN28 COLD SHOCK DOMAIN	binding organic cyclic compound binding nucleic acid binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulatory ncRNA-mediated gene silencing regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle
B, D, F, H	5'-D(TPTPTPTPTPTP)-3'	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E, G	IPR001878	Zinc finger, CCHC-type	Domain
A, C, E, G	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A, C, E, G	IPR011129	Cold shock domain	Domain
A, C, E, G	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, C, E, G	IPR002059	Cold-shock protein, DNA-binding	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.