6ZWC

Z-SBTub2 photoswitch bound to tubulin-DARPin D1 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-1B chain	polymer	451	50204.4	1	UniProt (P81947) Pfam (PF00091) Pfam (PF03953)	Bos taurus (cattle)	Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain
2	B (B)	Tubulin beta-2B chain	polymer	445	49999.9	1	UniProt (Q6B856) Pfam (PF00091) Pfam (PF03953)	Bos taurus (Bovine)
3	C (F)	Designed Ankyrin Repeat Protein (DARPIN) D1	polymer	169	18068.4	1		synthetic construct
4	D (A)	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	1	Chemie (GTP) PubChem (177679032) PubChem (135400627) PubChem (135487750) PubChem (136088935) PubChem (136803486) PubChem (135398633) PubChem (135544356) PubChem (135547949) PubChem (135600366) PubChem (135749822) PubChem (136005188) PubChem (136073923) PubChem (136240914) PubChem (136664747) PubChem (136772743) PubChem (136772744) PubChem (136803487) PubChem (137286749) PubChem (164715984) PubChem (171699466)
5	E (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG) PubChem (888)
6	F (B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	1	Chemie (GDP) PubChem (136073927) PubChem (135398619) PubChem (135402030) PubChem (135431654) PubChem (135566337) PubChem (135760556) PubChem (136026707) PubChem (136053418) PubChem (136663964) PubChem (136664748) PubChem (136759848) PubChem (136759849) PubChem (136759850) PubChem (136836636) PubChem (136847074) PubChem (172898537)
7	G (B)	2-[2-(3,4,5-trimethoxyphenyl)ethyl]-1,3-benzothiazole	non-polymer		329.4	1	Chemie (QRQ) PubChem (155804508)
8	H, I, J (A, B, F)	water	water		18.0	233	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	118272.8
Non-Polymers*	Number of molecules	4
	Total formula weight	1320.1
All*	Total formula weight	119592.9

*Water molecules are not included.