7SJ8

13pf wildtype microtubule from recombinant human tubulin decorated with kinesin

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, E... (A, C, E, J, K...)	Tubulin alpha-1B chain	polymer	457	51033.3	6	UniProt (P68363) Pfam (PF00091) Pfam (PF03953)	Homo sapiens (human)	Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain
2	G, H, I, J, K... (F, D, G, H, I...)	Tubulin beta-3 chain	polymer	456	51276.4	6	UniProt (Q13509) Pfam (PF00091) Pfam (PF03953)	Homo sapiens (human)	Tubulin beta-4 chain,Tubulin beta-III
3	M, O, Q, S, U... (A, C, E, J, K...)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	6	Chemie (GTP)
4	N, P, R, T, V... (A, C, E, J, K...)	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
5	AA, BA, CA, DA, Y... (G, H, I, B, F...)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	6	Chemie (GDP)

Sequence modifications

A, C, E, J, K, L: 1 - 451 (UniProt: P68363)

PDB	External Database	Details
His 37	-	insertion
His 37	-	insertion
His 37	-	insertion
His 40	-	insertion
His 41	-	insertion
His 42	-	insertion

F, D, G, H, I, B: 1 - 450 (UniProt: Q13509)

PDB	External Database	Details
Glu 451	-	expression tag
Asn 452	-	expression tag
Leu 453	-	expression tag
Tyr 454	-	expression tag
Phe 455	-	expression tag
Gln 456	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	613858.1
Non-Polymers*	Number of molecules	18
	Total formula weight	5944.1
All*	Total formula weight	619802.3

*Water molecules are not included.