2I3T

Bub3 complex with Mad3 (BubR1) GLEBS motif

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G	Cell cycle arrest protein	polymer	341	38483.5	4	UniProt (P26449) Pfam (PF00400) In PDB	Saccharomyces cerevisiae (baker's yeast)
2	B, D, F, H	Spindle assembly checkpoint component	polymer	54	6576.5	4	UniProt (P47074) Pfam (PF08171) In PDB	Saccharomyces cerevisiae (baker's yeast)	Mitotic MAD3 protein

Sequence modifications

B, D, F, H: 354 - 400 (UniProt: P47074)

PDB	External Database	Details
Met 353	-	initiating methionine
His 401	-	expression tag
His 402	-	expression tag
His 403	-	expression tag
His 404	-	expression tag
His 405	-	expression tag
His 406	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	180240.1
All*	Total formula weight	180240.1

*Water molecules are not included.