9Z64 | pdb_00009z64

Structure of the sodium-dependent phosphate importer SLC34A2 S135C, apo

PDB DOI: https://doi.org/10.2210/pdb9Z64/pdb
EM Map EMD-73833: EMDB EMDataResource

Classification: TRANSPORT PROTEIN
Organism(s): Danio rerio, Mus musculus
Expression System: Homo sapiens, Mus musculus
Mutation(s): Yes

Deposited: 2025-11-13 Released: 2026-07-29
Deposition Author(s): Zhu, Q., Diver, M.M.
Funding Organization(s): The Robertson Foundation

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.11 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9Z64

This is version 1.1 of the entry. See complete history.

Literature

Structural and mechanistic insights into SLC34 phosphate import.

Zhu, Q., Almakki, O., Diver, M.M.

(2026) Proc Natl Acad Sci U S A

DOI: https://doi.org/10.1073/pnas.2602077123

Macromolecule Content

Total Structure Weight: 118.91 kDa
Atom Count: 5,337
Modeled Residue Count: 694
Deposited Residue Count: 1,092
Unique protein chains: 3

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Solute carrier family 34 member 2a	A	646	Danio rerio	Mutation(s): 1 Gene Names: slc34a2a, NaPi-II, NaPi-IIb1, npt2b, slc34a2, wu:fb63d07
UniProt
Find proteins for Q9PTQ8 (Danio rerio) Explore Q9PTQ8 Go to UniProtKB: Q9PTQ8
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9PTQ8
Sequence Annotations Expand
Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
12H07 heavy chain	B	228	Mus musculus	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
MAb 44B1 light chain	C	218	Mus musculus	Mutation(s): 0 Gene Names: LC
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CLR Query on CLR Download:Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	CHOLESTEROL C₂₇ H₄₆ O HVYWMOMLDIMFJA-DPAQBDIFSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.11 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21_5207
RECONSTRUCTION	cryoSPARC

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-07-29

Deposition Author(s):

Funding Organization	Location	Grant Number
The Robertson Foundation	United States	--

Revision History (Full details and data files)

Version 1.0: 2026-07-29
Type: Initial release
Version 1.1: 2026-08-05
Changes: Data collection, Database references

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.