8JMI

The cryo-EM structure of insect gustatory receptor Gr64a from Drosophila melanogaster in complex with maltose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Gustatory receptor for sugar taste 64a	polymer	473	54668.3	4	UniProt (P83293) Pfam (PF06151) In PDB	Drosophila melanogaster (fruit fly)
2	E, F, G, H	alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose	branched		342.3	4	In PDB BIRD (PRD_900018) GlyTouCan (G66120GK)

Sequence modifications

A, B, C, D: 1 - 456 (UniProt: P83293)

PDB	External Database	Details
Met -16	-	initiating methionine
Trp -15	-	expression tag
Ser -14	-	expression tag
His -13	-	expression tag
Pro -12	-	expression tag
Gln -11	-	expression tag
Phe -10	-	expression tag
Glu -9	-	expression tag
Lys -8	-	expression tag
Gly -7	-	expression tag
Gly -6	-	expression tag
Ser -5	-	expression tag
Ser -4	-	expression tag
Gly -3	-	expression tag
Gly -2	-	expression tag
Val -1	-	expression tag
Asp 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	218673.0
Branched	Number of molecules	4
	Total formula weight	1369.2
All*	Total formula weight	220042.2

*Water molecules are not included.