4AJ5

Crystal structure of the Ska core complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, AA, B, BA, C... (1, 2, 3, 4, U...)	SPINDLE AND KINETOCHORE-ASSOCIATED PROTEIN 3	polymer	101	11842.6	10	UniProt (Q8IX90)	HOMO SAPIENS (HUMAN)	SKA3
2	E, F, G, H, I... (A, B, C, D, E...)	SPINDLE AND KINETOCHORE-ASSOCIATED PROTEIN 1	polymer	91	10468.8	10	UniProt (Q96BD8) Pfam (PF07160)	HOMO SAPIENS (HUMAN)	SKA1
3	O, P, Q, R, S... (K, L, M, N, O...)	SPINDLE AND KINETOCHORE-ASSOCIATED PROTEIN 2	polymer	123	14405.6	10	UniProt (Q8WVK7) Pfam (PF16740)	HOMO SAPIENS (HUMAN)	SKA2, PROTEIN FAM33A

Sequence modifications

1, 2, 3, 4, U, V, W, X, Y, Z: 1 - 101 (UniProt: Q8IX90)

PDB	External Database	Details
Ile 58	Val 58	engineered mutation

K, L, M, N, O, P, Q, R, S, T: 1 - 121 (UniProt: Q8WVK7)

PDB	External Database	Details
Gly -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	30
	Total formula weight	367169.6
All*	Total formula weight	367169.6

*Water molecules are not included.