7NBA

Plasmodium falciparum kinesin-5 motor domain bound to AMPPNP, complexed with 14 protofilament microtubule.

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 (Q2XVP4) Pfam (PF00091) Pfam (PF03953)	Sus scrofa (Pig)	Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain
2	B (B)	Tubulin beta chain	polymer	445	49907.8	1	UniProt (P02554) Pfam (PF00091) Pfam (PF03953)	Sus scrofa (Pig)	Beta-tubulin
3	C (K)	Kinesin motor domain-containing protein,Kinesin motor domain-containing protein	polymer	405	46910.1	1	UniProt (W7K044) Pfam (PF00225) UniProt (by SIFTS) (O77382)	Plasmodium falciparum (isolate NF54)
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, G, I (A, B, K)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG) PubChem (888)
6	F (B)	PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER	non-polymer		521.2	1	Chemie (G2P)
7	H (K)	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	1	Chemie (ANP)

Sequence modifications

K: 7 - 180 (UniProt: W7K044)

PDB	External Database	Details
Gly 1	-	expression tag
Ile 2	-	expression tag
Asp 3	-	expression tag
Pro 4	-	expression tag
Phe 5	-	expression tag
Thr 6	-	expression tag

K: 181 - 405 (UniProt: W7K044)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	147022.3
Non-Polymers*	Number of molecules	6
	Total formula weight	1623.5
All*	Total formula weight	148645.8

*Water molecules are not included.