Annotations: 5N0X

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e5n0xA2	A: alpha bundles	X: all-alpha NTP pyrophosphatases (From Homology)	H: all-alpha NTP pyrophosphatases	T: Hypothetical protein AF_0060	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e5n0xA1	A: a+b two layers	X: Tetrapyrrole methylase C-terminal domain-like	H: Tetrapyrrole methylase C-terminal domain (From Topology)	T: Tetrapyrrole methylase C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF00590	e5n0xA3	A: a/b three-layered sandwiches	X: Tetrapyrrole methylase N-terminal domain (From Topology)	H: Tetrapyrrole methylase N-terminal domain (From Topology)	T: Tetrapyrrole methylase N-terminal domain	F: PF00590	ECOD (1.6)
B	F_UNCLASSIFIED	e5n0xB2	A: alpha bundles	X: all-alpha NTP pyrophosphatases (From Homology)	H: all-alpha NTP pyrophosphatases	T: Hypothetical protein AF_0060	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e5n0xB3	A: a+b two layers	X: Tetrapyrrole methylase C-terminal domain-like	H: Tetrapyrrole methylase C-terminal domain (From Topology)	T: Tetrapyrrole methylase C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF00590	e5n0xB1	A: a/b three-layered sandwiches	X: Tetrapyrrole methylase N-terminal domain (From Topology)	H: Tetrapyrrole methylase N-terminal domain (From Topology)	T: Tetrapyrrole methylase N-terminal domain	F: PF00590	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00590	Tetrapyrrole (Corrin/Porphyrin) Methylases (TP_methylase)	Tetrapyrrole (Corrin/Porphyrin) Methylases	This family uses S-AdoMet in the methylation of diverse substrates. This family includes a related group of bacterial proteins of unknown function, including Swiss:P45528. This family includes the methylase Dipthine synthase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Peptide N-Methyltransferase	transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity	methylation metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR035996	Tetrapyrrole methylase superfamily	Homologous Superfamily
A, B	IPR014777	Tetrapyrrole methylase, subdomain 1	Homologous Superfamily
A, B	IPR000878	Tetrapyrrole methylase	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	IML	Parent Component: ILE RESID: AA0336 PSI-MOD : N-methyl-L-isoleucine MOD:00341
A, B	MVA	Parent Component: VAL RESID: AA0336
A, B	SAR	Parent Component: GLY RESID: AA0336 , AA0063 PSI-MOD : N-methyl-L-isoleucine MOD:00341 , N-methylglycine MOD:00072

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.