4LEC

Human Methyltransferase-Like Protein 21A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Protein-lysine methyltransferase METTL21A	polymer	212	23883.3	2	UniProt (Q8WXB1) Pfam (PF10294)	Homo sapiens (human)	Hepatocellular carcinoma-associated antigen 557b, Methyltransferase-like protein 21A
2	C, I (A, B)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH)
3	D, E, F, G, H... (A, B)	UNKNOWN ATOM OR ION	non-polymer			11	Chemie (UNX)
4	P, Q (A, B)	water	water		18.0	128	Chemie (HOH)

Sequence modifications

A, B: 8 - 218 (UniProt: Q8WXB1)

PDB	External Database	Details
Gly 7	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	47766.6
Non-Polymers*	Number of molecules	13
	Total formula weight	768.8
All*	Total formula weight	48535.4

*Water molecules are not included.