8VA2

Symmetry expanded map of 2 gamma-tubulins bound to 2 alpha tubulins in gamma tubulin ring complex capped microtubule end.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	a, b	Tubulin alpha-1B chain	polymer	457	51019.3	2	UniProt (P68363) Pfam (PF00091) Pfam (PF03953) In PDB	Homo sapiens (human)	Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain
2	g, h	Tubulin gamma-1 chain	polymer	441	50019.5	2	Pfam (PF00091) Pfam (PF03953) UniProt (by SIFTS) (P23258) In PDB	Homo sapiens (Human)
3	a, b	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	2	Chemie (GTP)
4	a, b	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	g, h	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)

Sequence modifications

a, b: 1 - 451 (UniProt: P68363)

PDB	External Database	Details
His 37	-	insertion
His 37	-	insertion
His 37	-	insertion
His 37	-	insertion
His 37	-	insertion
His 37	-	insertion
Asp 254	Glu 254	conflict

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	202077.7
Non-Polymers*	Number of molecules	6
	Total formula weight	1981.4
All*	Total formula weight	204059.0

*Water molecules are not included.