6DPW

Undecorated GTPgammaS microtubule

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, J, K...	Tubulin alpha-1B chain	polymer	451	50204.4	6	UniProt (Q2XVP4) Pfam (PF00091) Pfam (PF03953) In PDB	Sus scrofa (Pig)	Alpha-tubulin ubiquitous, Tubulin K-alpha-1, Tubulin alpha-ubiquitous chain
2	B, D, F, G, H...	Tubulin beta chain	polymer	445	49907.8	6	UniProt (P02554) Pfam (PF00091) Pfam (PF03953) In PDB	Sus scrofa (Pig)	Beta-tubulin
3	K, L, A, C, E...	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	6	Chemie (GTP)
4	K, L, A, C, E...	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
5	B, D, F, G, H...	5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE	non-polymer		539.2	6	Chemie (GSP)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	600673.3
Non-Polymers*	Number of molecules	18
	Total formula weight	6520.4
All*	Total formula weight	607193.7

*Water molecules are not included.