9KXX | pdb_00009kxx

Inward-open Structure of human B0AT1

PDB DOI: https://doi.org/10.2210/pdb9KXX/pdb
EM Map EMD-62631: EMDB EMDataResource

Classification: TRANSPORT PROTEIN
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2024-12-07 Released: 2025-12-10
Deposition Author(s): Imazu, T., Miyaguchi, I., Hiraizumi, M.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.77 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

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

Literature

Structure-guided development of a potent human B0AT1 inhibitor effective in a mouse model of phenylketonuria

Imazu, T., Akashi, T., Hiraizumi, M., Inui, Y., Sasaki, W., Takahashi, T., Todoroki, H., Kumanomidou, T., Hisano, H., Asada, H., Kusakizako, T., Nishizawa, T., Iwata, S., Nureki, O., Miyaguchi, I.

To be published.

Macromolecule Content

Total Structure Weight: 69.3 kDa
Atom Count: 4,284
Modeled Residue Count: 536
Deposited Residue Count: 614
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sodium-dependent neutral amino acid transporter B(0)AT1	A	614	Homo sapiens	Mutation(s): 0 Gene Names: SLC6A19, B0AT1
UniProt & NIH Common Fund Data Resources
Find proteins for Q695T7 (Homo sapiens) Explore Q695T7 Go to UniProtKB: Q695T7
PHAROS: Q695T7 GTEx: ENSG00000174358
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q695T7
Glycosylation
Glycosylation Sites: 1	Glycosylation Focus chain A	Go to GlyGen: Q695T7-1
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	2		N-Glycosylation	Interactions Focus chain B Interactions & Density Focus chain B
Glycosylation Resources
GlyTouCan: G42666HT GlyCosmos: G42666HT GlyGen: G42666HT

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.77 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	REFMAC	5.8.0267

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2025-12-10

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2025-12-10
Type: Initial release

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.