2F7S

The crystal structure of human Rab27b bound to GDP

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)	Ras-related protein Rab-27B	polymer	217	24503.6	2	UniProt (O00194) Pfam (PF00071)	Homo sapiens (human)	C25KG
2	C, E (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, F (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
4	G, H (A, B)	water	water		18.0	13	Chemie (HOH)

Sequence modifications

A, B: 4 - 201 (UniProt: O00194)

PDB	External Database	Details
Met -15	-	cloning artifact
Gly -14	-	cloning artifact
Ser -13	-	cloning artifact
Ser -12	-	cloning artifact
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
Ser -5	-	cloning artifact
Ser -4	-	cloning artifact
Gly -3	-	cloning artifact
Leu -2	-	cloning artifact
Val -1	-	cloning artifact
Pro 0	-	cloning artifact
Arg 1	-	cloning artifact
Gly 2	-	cloning artifact
Ser 3	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49007.2
Non-Polymers*	Number of molecules	4
	Total formula weight	935.0
All*	Total formula weight	49942.2

*Water molecules are not included.