1W3B

The superhelical TPR domain of O-linked GlcNAc transferase reveals structural similarities to importin alpha.

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)	UDP-N-ACETYLGLUCOSAMINE--PEPTIDE N-ACETYLGLUCOSAMINYLTRANSFERASE 110	polymer	388	43506.2	2	UniProt (O15294) Pfam (PF13414) Pfam (PF13181) Pfam (PF00515) Pfam (PF13424)	HOMO SAPIENS (HUMAN)	O-GLCNAC TRANSFERASE P110 SUBUNIT
2	C (A)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3	D, E (A, B)	water	water		18.0	27	Chemie (HOH)

Sequence modifications

A, B: 13 - 15 (PDB: 1W3B)
A, B: 16 - 400 (UniProt: O15294)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87012.5
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	87052.5

*Water molecules are not included.