3TAX

A Neutral Diphosphate Mimic Crosslinks the Active Site of Human O-GlcNAc Transferase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit	polymer	723	80974.5	2	UniProt (O15294) Pfam (PF13424) Pfam (PF13414) Pfam (PF13844) In PDB	Homo sapiens (human)	O-GlcNAc transferase subunit p110, O-linked N-acetylglucosamine transferase 110 kDa subunit
2	B, D	Casein kinase II subunit alpha	polymer	14	1398.6	2	UniProt (P68400) In PDB	Homo sapiens	CK II alpha
3	A, C	URIDINE-5'-DIPHOSPHATE	non-polymer		404.2	2	Chemie (UDP)
4	A, C	FORMYL GROUP	non-polymer		30.0	2	Chemie (FOR)
5	A, B, C, D	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
6		water	water		18.0	1018	Chemie (HOH)

Sequence modifications

A, C: 313 - 1031 (UniProt: O15294)

PDB	External Database	Details
Gly 309	-	expression tag
Pro 310	-	expression tag
Gly 311	-	expression tag
Ser 312	-	expression tag

B, D: 14 - 26 (UniProt: P68400)

PDB	External Database	Details
Tyr 13	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	164746.1
Non-Polymers*	Number of molecules	8
	Total formula weight	1252.6
All*	Total formula weight	165998.8

*Water molecules are not included.