3EDL

Kinesin13-Microtubule Ring complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Tubulin alpha-1A chain	polymer	451	50107.2	1	UniProt (P02550) Pfam (PF00091) Pfam (PF03953)	Bos taurus (bovine)	Alpha-tubulin 1,Tubulin alpha-1 chain
2	B, E (B, G)	Beta tubulin	polymer	445	49907.8	2	UniProt (P02554) Pfam (PF00091) Pfam (PF03953)	Bos taurus (bovine)
3	C (D)	Kinesin-like protein KIF2C	polymer	331	37072.6	1	UniProt (Q922S8) Pfam (PF00225)	Drosophila melanogaster	Mitotic centromere-associated kinesin,MCAK
4	D (F)	Tubulin alpha-1A chain	polymer	451	50163.3	1	UniProt (P02550) Pfam (PF00091) Pfam (PF03953) UniProt (by SIFTS) (Q2HJ86)	Bos taurus (bovine)	Alpha-tubulin 1,Tubulin alpha-1 chain
5	F (A)	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
6	G, K, M (A, D, F)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
7	H, N (B, F)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	2	Chemie (GTP)
8	I, O (B, F)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
9	J (B)	TAXOL	non-polymer		853.9	1	Chemie (TA1)
10	L (D)	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	1	Chemie (ANP)
11	P (G)	2-MERCAPTO-N-[1,2,3,10-TETRAMETHOXY-9-OXO-5,6,7,9-TETRAHYDRO-BENZO[A]HEPTALEN-7-YL]ACETAMIDE	non-polymer		431.5	1	Chemie (CN2)
12	Q, R (D, F)	water	water		18.0	107	Chemie (HOH)

Sequence modifications

A: 1 - 451 (UniProt: P02550)

PDB	External Database	Details
Gly 265	Ala 265	conflict

F: 1 - 451 (UniProt: P02550)

PDB	External Database	Details
Ile 265	Ala 265	conflict

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	237158.7
Non-Polymers*	Number of molecules	11
	Total formula weight	3862.7
All*	Total formula weight	241021.4

*Water molecules are not included.