Annotations: 4JK3

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Choline_kinase	e4jk3A1	A: beta barrels	X: PBZ domain	H: PBZ domain	T: PBZ domain	F: Choline_kinase	ECOD (v294.2)
A		e4jk3A2	A: beta barrels	X: Tail specific protease helical domain	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F:	ECOD (v294.2)
B	Choline_kinase	e4jk3B1	A: beta barrels	X: PBZ domain	H: PBZ domain	T: PBZ domain	F: Choline_kinase	ECOD (v294.2)
B		e4jk3B2	A: beta barrels	X: Tail specific protease helical domain	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F:	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.12150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.40.50.12150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PylD	oxidoreductase activity catalytic activity	amino acid biosynthetic process biosynthetic process amino acid metabolic process primary metabolic process metabolic process cellular process	-

Chains	Accession	Name	Type
A, B	IPR048757	Pyrrolysine biosynthesis protein PylD, N-terminal domain	Domain
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR023914	Pyrrolysine biosynthesis protein PylD	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.

4JK3 | pdb_00004jk3