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4CK5

Pseudo-atomic model of microtubule-bound human kinesin-5 motor domain in the ADP state, based on cryo-electron microscopy experiment.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
TUBULIN ALPHA-1D CHAINpolymer45250236.41UniProt (Q2HJ86)
Pfam (PF00091)
Pfam (PF03953)
BOS TAURUS (CATTLE)ALPHA TUBULIN
2B
(B)
TUBULIN BETA-2B CHAINpolymer44549907.81UniProt (Q6B856)
Pfam (PF00091)
Pfam (PF03953)
BOS TAURUS (CATTLE)BETA TUBULIN
3C
(C)
KINESIN-LIKE PROTEIN KIF11polymer37341673.11UniProt (P52732)
Pfam (PF00225)
HOMO SAPIENS (HUMAN)KINESIN-LIKE PROTEIN 1, KINESIN-LIKE SPINDLE PROTEIN HKSP, KINESIN-RELATED MOTOR PROTEIN EG5, THYROID RECEPTOR-INTERACTING PR OTEIN 5, TR-INTERACTING PROTEIN 5, TRIP-5, KINESIN-5
4D
(A)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
5E
(B)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.21Chemie (GDP)
6F
(B)
TAXOLnon-polymer853.91Chemie (TA1)
7G
(C)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
8H
(C)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.21Chemie (ADP)
Sequence modifications
A: 1 - 452 (UniProt: Q2HJ86)
PDBExternal DatabaseDetails
Ile 7Val 7conflict
Ile 114Leu 114conflict
Ser 136Leu 136conflict
Val 137Ile 137conflict
Glu 358Asp 358conflict
Val 437Met 437conflict
B: 1 - 445 (UniProt: Q6B856)
PDBExternal DatabaseDetails
Ala 55Thr 55conflict
Val 170Met 170conflict
Ala 296Ser 296conflict
Val 316Ile 316conflict
C: 1 - 360 (UniProt: P52732)
PDBExternal DatabaseDetails
Ser 43Cys 43engineered mutation
Ala 87Cys 87engineered mutation
Ala 99Cys 99engineered mutation
Cys 126Thr 126engineered mutation
His 361-expression tag
His 362-expression tag
His 363-expression tag
His 364-expression tag
His 365-expression tag
His 366-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight141817.2
Non-Polymers*Number of molecules5
Total formula weight2271.8
All*Total formula weight144089.0
*Water molecules are not included.

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PDB entries from 2025-06-11

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