4DRX

GTP-Tubulin in complex with a DARPIN

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 chain	polymer	437	48665.0	2	UniProt (D0VWZ0) Pfam (PF00091) Pfam (PF03953)	Ovis aries (domestic sheep lambs wild sheep)
2	B, D (B, D)	Tubulin beta chain	polymer	431	48375.3	2	UniProt (D0VWY9) Pfam (PF00091) Pfam (PF03953)	Ovis aries (domestic sheep lambs wild sheep)
3	E, F (E, F)	Designed ankyrin repeat protein (DARPIN) D1	polymer	169	18068.4	2		ARTIFICIAL GENE
4	G, I, K, M (A, B, C, D)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	4	Chemie (GTP)
5	H, J, L, N (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
6	O, P, Q, R, S... (A, B, C, D, E...)	water	water		18.0	345	Chemie (HOH)

Sequence modifications

A, C: 1 - 437 (UniProt: D0VWZ0)

PDB	External Database	Details
Ser 232	Gly 232	SEE REMARK 999
Ser 340	Thr 340	SEE REMARK 999

B, D: 1 - 441 (UniProt: D0VWY9)

PDB	External Database	Details
Ile 318	Val 316	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	230217.6
Non-Polymers*	Number of molecules	8
	Total formula weight	2189.9
All*	Total formula weight	232407.6

*Water molecules are not included.