7EN3

Crystal structure of tubulin in complex with Tubulysin analogue TGL

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Tubulin alpha-1B chain	polymer	451	50204.4	2	UniProt (Q2XVP4) Pfam (PF00091) Pfam (PF03953)	Sus scrofa (Pig)	Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain
2	B, D (B, D)	Tubulin beta-2B chain	polymer	445	49999.9	2	UniProt (Q6B856) Pfam (PF00091) Pfam (PF03953)	Bos taurus (Bovine)
3	E (E)	Stathmin-4	polymer	136	16082.3	1	UniProt (P63043) Pfam (PF00836)	Rattus norvegicus (Rat)	Stathmin-like protein B3,RB3
4	F (F)	tubulin tyrosine ligase	polymer	384	44378.5	1	UniProt (E1BQ43)	Gallus gallus (Chicken)
5	G, P (A, C)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	2	Chemie (GTP)
6	H, K, Q (A, B, C)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
7	I, R (A, C)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
8	J, S (B, D)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
9	L, M, O (B, C)	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	3	Chemie (MES)
10	N, T (B, D)	(2S,4R)-5-(4-fluorophenyl)-2-methyl-4-[[2-[(1R,3R)-4-methyl-3-[5-methylhexyl-[(2S,3S)-3-methyl-2-[[(2R)-1-methylpiperidin-2-yl]carbonylamino]pentanoyl]amino]-1-oxidanyl-pentyl]-1,3-thiazol-4-yl]carbonylamino]pentanoic acid	non-polymer		788.1	2	Chemie (J6R)
11	U (F)	PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER	non-polymer		505.2	1	Chemie (ACP)
12	AA, V, W, X, Y... (F, A, B, C, D...)	water	water		18.0	157	Chemie (HOH)

Sequence modifications

F: 1 - 378 (UniProt: E1BQ43)

PDB	External Database	Details
His 379	-	expression tag
His 380	-	expression tag
His 381	-	expression tag
His 382	-	expression tag
His 383	-	expression tag
His 384	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	260869.5
Non-Polymers*	Number of molecules	15
	Total formula weight	4752.9
All*	Total formula weight	265622.4

*Water molecules are not included.