Annotations: 6YSG

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CobN-Mg_chel_2nd	e6ysgA4	A: alpha arrays	X: Helical insertion domain in magnesium chelatase catalytic subunit (From Topology)	H: Helical insertion domain in magnesium chelatase catalytic subunit (From Topology)	T: Helical insertion domain in magnesium chelatase catalytic subunit	F: CobN-Mg_chel_2nd	ECOD (1.6)
A	CobN-Mg_chel_3rd	e6ysgA6	A: alpha superhelices	X: Repetitive alpha hairpins	H: Helical C-terminal domain in magnesium chelatase catalytic subunit (From Topology)	T: Helical C-terminal domain in magnesium chelatase catalytic subunit	F: CobN-Mg_chel_3rd	ECOD (1.6)
A	DUF3479	e6ysgA2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Rossmann-like domains in magnesium chelatase catalytic subunit (From Topology)	T: Rossmann-like domains in magnesium chelatase catalytic subunit	F: DUF3479	ECOD (1.6)
A	CobN-Mg_chel_1st	e6ysgA3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Rossmann-like domains in magnesium chelatase catalytic subunit (From Topology)	T: Rossmann-like domains in magnesium chelatase catalytic subunit	F: CobN-Mg_chel_1st	ECOD (1.6)
B	CobN-Mg_chel_2nd	e6ysgB1	A: alpha arrays	X: Helical insertion domain in magnesium chelatase catalytic subunit (From Topology)	H: Helical insertion domain in magnesium chelatase catalytic subunit (From Topology)	T: Helical insertion domain in magnesium chelatase catalytic subunit	F: CobN-Mg_chel_2nd	ECOD (1.6)
B	CobN-Mg_chel_3rd	e6ysgB4	A: alpha superhelices	X: Repetitive alpha hairpins	H: Helical C-terminal domain in magnesium chelatase catalytic subunit (From Topology)	T: Helical C-terminal domain in magnesium chelatase catalytic subunit	F: CobN-Mg_chel_3rd	ECOD (1.6)
B	DUF3479	e6ysgB5	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Rossmann-like domains in magnesium chelatase catalytic subunit (From Topology)	T: Rossmann-like domains in magnesium chelatase catalytic subunit	F: DUF3479	ECOD (1.6)
B	CobN-Mg_chel_1st	e6ysgB6	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Rossmann-like domains in magnesium chelatase catalytic subunit (From Topology)	T: Rossmann-like domains in magnesium chelatase catalytic subunit	F: CobN-Mg_chel_1st	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02514	CobN/Magnesium Chelatase (CobN-Mg_chel)	CobN/Magnesium Chelatase	-	Family
A, B	PF11965	Domain of unknown function (DUF3479) (DUF3479)	Domain of unknown function (DUF3479)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Mg-chelatase subunit ChlH	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding ligase activity, forming nitrogen-metal bonds ligase activity, forming nitrogen-metal bonds, forming coordination complexes magnesium chelatase activity catalytic activity ligase activity	pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process chlorophyll metabolic process pigment biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process chlorophyll biosynthetic process photosynthesis	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR022571	Magnesium chelatase, subunit H, N-terminal	Domain
A, B	IPR011771	Magnesium-chelatase, subunit H	Family
A, B	IPR003672	CobN/magnesium chelatase	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.