4NNH | pdb_00004nnh

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	S1_1	e4nnhB1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: S1_1	ECOD (1.6)
A	S1_1	e4nnhA1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: S1_1	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A, B	PF00575	S1 RNA binding domain (S1)	S1 RNA binding domain	The S1 domain occurs in a wide range of RNA associated proteins. It is structurally similar to cold shock protein which binds nucleic acids. The S1 domain has an OB-fold structure.	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	30S ribosomal protein S1	RNA binding binding nucleic acid binding mRNA binding transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome

Chains	Accession	Name	Type
A, B	IPR035104	Ribosomal protein S1-like	Family
A, B	IPR003029	S1 domain	Domain
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, B	IPR050437	Small ribosomal subunit protein bS1-like	Family