9BP6 | pdb_00009bp6

Structure of alpha1B and betaI/IVb microtubule bound to GMPCPP

  • Classification: STRUCTURAL PROTEIN
  • Organism(s): Homo sapiens
  • Mutation(s): No 

  • Deposited: 2024-05-07 Released: 2024-06-12 
  • Deposition Author(s): Zehr, E.A., Roll-Mecak, A.
  • Funding Organization(s): National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.10 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history. 


Literature

Cryo-EM structures of human alpha1B/betaI+betaIVb microtubules shed light on isoform specific assembly

Zehr, E.A., Roll-Mecak, A.

(2023) bioRxiv 


Macromolecules
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(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Tubulin alpha-1B chainA,
C [auth I]		451Homo sapiensMutation(s): 0 
EC: 3.6.5
UniProt & NIH Common Fund Data Resources
Find proteins for P68363 (Homo sapiens)
Explore P68363 
Go to UniProtKB:  P68363
PHAROS:  P68363
GTEx:  ENSG00000123416 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP68363
Sequence Annotations
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  • Reference Sequence
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Tubulin beta chainB,
D [auth Q]		444Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P07437 (Homo sapiens)
Explore P07437 
Go to UniProtKB:  P07437
PHAROS:  P07437
GTEx:  ENSG00000196230 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP07437
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
GTP
Query on GTP
Download Ideal Coordinates CCD File 
E [auth A],
I		GUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O14 P3
XKMLYUALXHKNFT-UUOKFMHZSA-N
G2P (Subject of Investigation/LOI)
Query on G2P
Download Ideal Coordinates CCD File 
G [auth B],
K [auth Q]		PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER
C11 H18 N5 O13 P3
GXTIEXDFEKYVGY-KQYNXXCUSA-N
MG
Query on MG
Download Ideal Coordinates CCD File 
F [auth A],
H [auth B],
J [auth I],
L [auth Q]		MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.10 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.20.1_4487:
MODEL REFINEMENTISOLDE
RECONSTRUCTIONRELION3.0

Structure Validation

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Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)United StatesNS003164

Revision History  (Full details and data files)

  • Version 1.0: 2024-06-12
    Type: Initial release
  • Version 1.1: 2024-10-23
    Changes: Data collection, Database references, Structure summary
  • Version 1.2: 2025-06-11
    Changes: Data collection, Database references