37RQ | pdb_000037rq

Plasmodium falciparum 18-PF subpellicular microtubule

PDB DOI: https://doi.org/10.2210/pdb37RQ/pdb
EM Map EMD-78436: EMDB EMDataResource

Classification: STRUCTURAL PROTEIN
Organism(s): Plasmodium falciparum
Mutation(s): No

Deposited: 2026-08-02 Released: 2026-10-14
Deposition Author(s): Zeng, J., Zhang, R.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.15 Å
Aggregation State: CELL
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 37RQ

This is version 1.0 of the entry. See complete history.

Literature

Human hemoglobin protects the parasite cytoskeleton during Plasmodium falciparum gametocyte development

Wang, X., Zeng, J., Qian, P., Hasan, M., Goldberg, D., Zhang, R.

To be published.

Macromolecule Content

Total Structure Weight: 608.3 kDa
Atom Count: 40,794
Modeled Residue Count: 5,130
Deposited Residue Count: 5,370
Unique protein chains: 2

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin alpha chain	A [auth M] C [auth Q] E [auth U] G [auth c] I [auth e] A [auth M], C [auth Q], E [auth U], G [auth c], I [auth e], K [auth i]	450	Plasmodium falciparum	Mutation(s): 0
UniProt
Find proteins for Q25790 (Plasmodium falciparum) Explore Q25790 Go to UniProtKB: Q25790
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q25790
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin beta chain	B [auth N] D [auth R] F [auth V] H [auth d] J [auth f] B [auth N], D [auth R], F [auth V], H [auth d], J [auth f], L [auth j]	445	Plasmodium falciparum	Mutation(s): 0
UniProt
Find proteins for Q7KQL5 (Plasmodium falciparum (isolate 3D7)) Explore Q7KQL5 Go to UniProtKB: Q7KQL5
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q7KQL5
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
TA1 Query on TA1 Download:Ideal Coordinates CCD File SDF format, chain FA [auth f] SDF format, chain P [auth N] SDF format, chain X [auth V] SDF format, chain T [auth R] SDF format, chain JA [auth j] SDF format, chain BA [auth d] MOL2 format, chain FA [auth f] MOL2 format, chain P [auth N] MOL2 format, chain X [auth V] MOL2 format, chain T [auth R] MOL2 format, chain JA [auth j] MOL2 format, chain BA [auth d] mmCIF format, chain FA [auth f] mmCIF format, chain P [auth N] mmCIF format, chain X [auth V] mmCIF format, chain T [auth R] mmCIF format, chain JA [auth j] mmCIF format, chain BA [auth d]	BA [auth d] FA [auth f] JA [auth j] P [auth N] T [auth R] BA [auth d], FA [auth f], JA [auth j], P [auth N], T [auth R], X [auth V]	TAXOL C₄₇ H₅₁ N O₁₄ RCINICONZNJXQF-MZXODVADSA-N		Interactions Focus chain BA [auth d] Focus chain FA [auth f] Focus chain JA [auth j] Focus chain P [auth N] Focus chain T [auth R] Focus chain X [auth V] Interactions & Density Focus chain BA [auth d] Focus chain FA [auth f] Focus chain JA [auth j] Focus chain P [auth N] Focus chain T [auth R] Focus chain X [auth V]
GTP Query on GTP Download:Ideal Coordinates CCD File SDF format, chain Q SDF format, chain U SDF format, chain Y [auth c] SDF format, chain M SDF format, chain GA [auth i] SDF format, chain CA [auth e] MOL2 format, chain Q MOL2 format, chain U MOL2 format, chain Y [auth c] MOL2 format, chain M MOL2 format, chain GA [auth i] MOL2 format, chain CA [auth e] mmCIF format, chain Q mmCIF format, chain U mmCIF format, chain Y [auth c] mmCIF format, chain M mmCIF format, chain GA [auth i] mmCIF format, chain CA [auth e]	CA [auth e] GA [auth i] M Q U CA [auth e], GA [auth i], M, Q, U, Y [auth c]	GUANOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₄ P₃ XKMLYUALXHKNFT-UUOKFMHZSA-N		Interactions Focus chain CA [auth e] Focus chain GA [auth i] Focus chain M Focus chain Q Focus chain U Focus chain Y [auth c] Interactions & Density Focus chain CA [auth e] Focus chain GA [auth i] Focus chain M Focus chain Q Focus chain U Focus chain Y [auth c]
GDP Query on GDP Download:Ideal Coordinates CCD File SDF format, chain EA [auth f] SDF format, chain W [auth V] SDF format, chain S [auth R] SDF format, chain O [auth N] SDF format, chain IA [auth j] SDF format, chain AA [auth d] MOL2 format, chain EA [auth f] MOL2 format, chain W [auth V] MOL2 format, chain S [auth R] MOL2 format, chain O [auth N] MOL2 format, chain IA [auth j] MOL2 format, chain AA [auth d] mmCIF format, chain EA [auth f] mmCIF format, chain W [auth V] mmCIF format, chain S [auth R] mmCIF format, chain O [auth N] mmCIF format, chain IA [auth j] mmCIF format, chain AA [auth d]	AA [auth d] EA [auth f] IA [auth j] O [auth N] S [auth R] AA [auth d], EA [auth f], IA [auth j], O [auth N], S [auth R], W [auth V]	GUANOSINE-5'-DIPHOSPHATE C₁₀ H₁₅ N₅ O₁₁ P₂ QGWNDRXFNXRZMB-UUOKFMHZSA-N		Interactions Focus chain AA [auth d] Focus chain EA [auth f] Focus chain IA [auth j] Focus chain O [auth N] Focus chain S [auth R] Focus chain W [auth V] Interactions & Density Focus chain AA [auth d] Focus chain EA [auth f] Focus chain IA [auth j] Focus chain O [auth N] Focus chain S [auth R] Focus chain W [auth V]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain HA [auth i] SDF format, chain N [auth M] SDF format, chain R [auth Q] SDF format, chain V [auth U] SDF format, chain Z [auth c] SDF format, chain DA [auth e] MOL2 format, chain HA [auth i] MOL2 format, chain N [auth M] MOL2 format, chain R [auth Q] MOL2 format, chain V [auth U] MOL2 format, chain Z [auth c] MOL2 format, chain DA [auth e] mmCIF format, chain HA [auth i] mmCIF format, chain N [auth M] mmCIF format, chain R [auth Q] mmCIF format, chain V [auth U] mmCIF format, chain Z [auth c] mmCIF format, chain DA [auth e]	DA [auth e] HA [auth i] N [auth M] R [auth Q] V [auth U] DA [auth e], HA [auth i], N [auth M], R [auth Q], V [auth U], Z [auth c]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain DA [auth e] Focus chain HA [auth i] Focus chain N [auth M] Focus chain R [auth Q] Focus chain V [auth U] Focus chain Z [auth c] Interactions & Density Focus chain DA [auth e] Focus chain HA [auth i] Focus chain N [auth M] Focus chain R [auth Q] Focus chain V [auth U] Focus chain Z [auth c]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.15 Å
Aggregation State: CELL
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-14

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01GM138854

Revision History (Full details and data files)

Version 1.0: 2026-10-14
Type: Initial release