3V2U

Crystal structure of the yeast GAL regulon complex of the repressor, Gal80p, and the transducer, Gal3p, with galactose and ATP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Galactose/lactose metabolism regulatory protein GAL80	polymer	438	48654.3	2	UniProt (P04387) Pfam (PF01408) Pfam (PF22685) In PDB	Saccharomyces cerevisiae (Baker's yeast)
2	C, D	Protein GAL3	polymer	520	58153.8	2	UniProt (P13045) Pfam (PF10509) Pfam (PF00288) Pfam (PF08544) In PDB	Saccharomyces cerevisiae (Baker's yeast)
3	A, B	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	C, D	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	C, D	alpha-D-galactopyranose	non-polymer		180.2	2	Chemie (GLA)
6	C, D	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
7		water	water		18.0	1163	Chemie (HOH)

Sequence modifications

A, B: 1 - 435 (UniProt: P04387)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

C, D: 2 - 520 (UniProt: P13045)

PDB	External Database	Details
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	213616.1
Non-Polymers*	Number of molecules	8
	Total formula weight	1607.5
All*	Total formula weight	215223.6

*Water molecules are not included.