7U20

Crystal structure of human METTL1 and WDR4 complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	tRNA (guanine-N(7)-)-methyltransferase	polymer	276	31516.0	1	UniProt (Q9UBP6) Pfam (PF02390) In PDB	Homo sapiens (human)	Methyltransferase-like protein 1,mRNA (guanine-N(7)-)-methyltransferase,miRNA (guanine-N(7)-)-methyltransferase,tRNA (guanine(46)-N(7))-methyltransferase,tRNA(m7G46)-methyltransferase
2	B	tRNA (guanine-N(7)-)-methyltransferase non-catalytic subunit WDR4	polymer	428	47363.5	1	UniProt (P57081) Pfam (PF00400) In PDB	Homo sapiens (human)	Protein Wuho homolog,hWH,WD repeat-containing protein 4
3	A, B	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4		water	water		18.0	12	Chemie (HOH)

Sequence modifications

B: 1 - 412 (UniProt: P57081)

PDB	External Database	Details
Met -15	-	initiating methionine
Gly -14	-	expression tag
Ser -13	-	expression tag
Ser -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
Ser -5	-	expression tag
Gln -4	-	expression tag
Asp -3	-	expression tag
Pro -2	-	expression tag
Asn -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	78879.5
Non-Polymers*	Number of molecules	3
	Total formula weight	288.2
All*	Total formula weight	79167.7

*Water molecules are not included.