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- PDB-7ryp: Cryo-EM structure of KIFBP:KIF15 -

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Basic information

Entry
Database: PDB / ID: 7ryp
TitleCryo-EM structure of KIFBP:KIF15
Components
  • KIF-binding protein
  • Kinesin-like protein KIF15
KeywordsMOTOR PROTEIN / kinesin regulation protein
Function / homology
Function and homology information


plus-end kinesin complex / centrosome separation / transport along microtubule / central nervous system projection neuron axonogenesis / plus-end-directed microtubule motor activity / Kinesins / kinesin complex / microtubule motor activity / mitochondrion transport along microtubule / COPI-dependent Golgi-to-ER retrograde traffic ...plus-end kinesin complex / centrosome separation / transport along microtubule / central nervous system projection neuron axonogenesis / plus-end-directed microtubule motor activity / Kinesins / kinesin complex / microtubule motor activity / mitochondrion transport along microtubule / COPI-dependent Golgi-to-ER retrograde traffic / microtubule-based movement / cytoskeletal motor activity / kinesin binding / mitotic spindle assembly / neuron projection maintenance / MHC class II antigen presentation / protein sequestering activity / microtubule cytoskeleton organization / spindle pole / mitotic cell cycle / microtubule binding / in utero embryonic development / microtubule / cytoskeleton / centrosome / ATP hydrolysis activity / mitochondrion / ATP binding / membrane / cytoplasm / cytosol
Similarity search - Function
Hyaluronan-mediated motility receptor, C-terminal / Kinesin-like protein KIF15/KIN-12E / Hyaluronan mediated motility receptor C-terminal / KIF-1 binding protein / KIF-1 binding protein C terminal / Kinesin motor domain / Kinesin motor domain profile. / Kinesin motor, catalytic domain. ATPase. / Kinesin motor domain / Kinesin motor domain superfamily ...Hyaluronan-mediated motility receptor, C-terminal / Kinesin-like protein KIF15/KIN-12E / Hyaluronan mediated motility receptor C-terminal / KIF-1 binding protein / KIF-1 binding protein C terminal / Kinesin motor domain / Kinesin motor domain profile. / Kinesin motor, catalytic domain. ATPase. / Kinesin motor domain / Kinesin motor domain superfamily / Tetratricopeptide-like helical domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
KIF-binding protein / Kinesin-like protein KIF15
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.8 Å
Model detailsMODEL GENERATED BY ROSETTA VERSION 2020.08+release.cb1caba
AuthorsSolon, A.L. / Tan, Z. / Schutt, K.L. / Jepsen, L. / Haynes, S.E. / Nesvizhskii, A.I. / Sept, D. / Stumpff, J. / Ohi, R. / Cianfrocco, M.A.
Funding support United States, 5items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM094231 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM136822 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM121491 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM086610 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM111725 United States
CitationJournal: Sci Adv / Year: 2021
Title: Kinesin-binding protein remodels the kinesin motor to prevent microtubule binding.
Authors: April L Solon / Zhenyu Tan / Katherine L Schutt / Lauren Jepsen / Sarah E Haynes / Alexey I Nesvizhskii / David Sept / Jason Stumpff / Ryoma Ohi / Michael A Cianfrocco /
Abstract: Kinesins are regulated in space and time to ensure activation only in the presence of cargo. Kinesin-binding protein (KIFBP), which is mutated in Goldberg-Shprintzen syndrome, binds to and inhibits ...Kinesins are regulated in space and time to ensure activation only in the presence of cargo. Kinesin-binding protein (KIFBP), which is mutated in Goldberg-Shprintzen syndrome, binds to and inhibits the catalytic motor heads of 8 of 45 kinesin superfamily members, but the mechanism remains poorly defined. Here, we used cryo–electron microscopy and cross-linking mass spectrometry to determine high-resolution structures of KIFBP alone and in complex with two mitotic kinesins, revealing structural remodeling of kinesin by KIFBP. We find that KIFBP remodels kinesin motors and blocks microtubule binding (i) via allosteric changes to kinesin and (ii) by sterically blocking access to the microtubule. We identified two regions of KIFBP necessary for kinesin binding and cellular regulation during mitosis. Together, this work further elucidates the molecular mechanism of KIFBP-mediated kinesin inhibition and supports a model in which structural rearrangement of kinesin motor domains by KIFBP abrogates motor protein activity.
History
DepositionAug 25, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 8, 2021Provider: repository / Type: Initial release
Revision 2.0Dec 1, 2021Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Structure summary
Category: atom_site / citation ...atom_site / citation / citation_author / pdbx_poly_seq_scheme / pdbx_unobs_or_zero_occ_atoms / pdbx_unobs_or_zero_occ_residues / pdbx_validate_polymer_linkage / pdbx_validate_torsion / struct_conf
Item: _atom_site.auth_seq_id / _citation.country ..._atom_site.auth_seq_id / _citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID / _pdbx_poly_seq_scheme.pdb_ins_code / _pdbx_poly_seq_scheme.pdb_seq_num / _pdbx_unobs_or_zero_occ_atoms.auth_seq_id / _pdbx_unobs_or_zero_occ_residues.PDB_ins_code / _pdbx_unobs_or_zero_occ_residues.auth_seq_id / _pdbx_validate_polymer_linkage.auth_seq_id_2 / _pdbx_validate_torsion.auth_seq_id / _struct_conf.beg_auth_seq_id / _struct_conf.end_auth_seq_id
Revision 2.1Jun 5, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Assembly

Deposited unit
A: Kinesin-like protein KIF15
B: KIF-binding protein


Theoretical massNumber of molelcules
Total (without water)112,8492
Polymers112,8492
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area1590 Å2
ΔGint-9 kcal/mol
Surface area43610 Å2

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Components

#1: Protein Kinesin-like protein KIF15 / Kinesin-like protein 2 / hKLP2 / Kinesin-like protein 7 / Serologically defined breast cancer antigen NY-BR-62


Mass: 40935.066 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: KIF15, KLP2, KNSL7 / Production host: Escherichia coli BL21 (bacteria) / References: UniProt: Q9NS87
#2: Protein KIF-binding protein / KIF1-binding protein / Kinesin family binding protein


Mass: 71913.945 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: KIFBP, KBP, KIAA1279, KIF1BP / Production host: Escherichia coli (E. coli) / References: UniProt: Q96EK5

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: cryo-EM structure of KIF15:KIFBP / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.7
SpecimenConc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE

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Electron microscopy imaging

MicroscopyModel: TFS GLACIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 60 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM software
IDNameCategory
1cryoSPARCparticle selection
4cryoSPARCCTF correction
7Cootmodel fitting
9cryoSPARCinitial Euler assignment
10RELIONfinal Euler assignment
13RosettaEMmodel refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 4.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 101698 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL

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