3J6H

Nucleotide-free Kinesin motor domain complexed with GMPCPP-microtubule

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Tubulin alpha-1A chain	polymer	436	48436.6	1	UniProt (P02550) Pfam (PF00091) Pfam (PF03953) In PDB	Sus scrofa (pig)	Alpha-tubulin 1, Tubulin alpha-1 chain
2	B	Tubulin beta chain	polymer	426	47809.7	1	UniProt (P02554) Pfam (PF00091) Pfam (PF03953) In PDB	Sus scrofa (pig)	Beta-tubulin
3	K	Kinesin heavy chain isoform 5C	polymer	352	39615.1	1	UniProt (P28738) Pfam (PF00225) In PDB	Mus musculus (mouse)	KIF5C, Kinesin heavy chain neuron-specific 2
4	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	A	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	1	Chemie (GTP)
6	B	PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER	non-polymer		521.2	1	Chemie (G2P)
7	K	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)

Sequence modifications

A: 2 - 437 (UniProt: P02550)

PDB	External Database	Details
Gly 265	Ala 265	SEE REMARK 999

K: 1 - 345 (UniProt: P28738)

PDB	External Database	Details
His 346	-	expression tag
His 347	-	expression tag
His 348	-	expression tag
His 349	-	expression tag
His 350	-	expression tag
His 351	-	expression tag
His 352	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	135861.5
Non-Polymers*	Number of molecules	5
	Total formula weight	1189.1
All*	Total formula weight	137050.6

*Water molecules are not included.