9LQL | pdb_00009lql

Structure of STG-hydrolyzing beta-glucosidase 1 (PSTG1) complexed with heptyl 1-thio-beta-D-glucopyranoside

PDB DOI: https://doi.org/10.2210/pdb9LQL/pdb

Classification: HYDROLASE
Organism(s): Paenibacillus relictisesami
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2025-01-28 Released: 2026-02-04
Deposition Author(s): Yanai, T., Arai, A., Takahashi, Y., Imaizumi, R., Takeshita, K., Matsuura, H., Sakai, N., Takahashi, S., Yamamoto, M., Kataoka, K., Nakayama, T., Yamashita, S.
Funding Organization(s): Japan Society for the Promotion of Science (JSPS), Japan Agency for Medical Research and Development (AMED)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.35 Å
R-Value Free:
0.286 (Depositor), 0.286 (DCC)
R-Value Work:
0.245 (Depositor), 0.245 (DCC)
R-Value Observed:
0.247 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Structural and functional implications of the novel C-terminal domain and flexible loop in unique beta-glucosidase hydrolyzing sesaminol triglucoside to produce sesaminol

Yanai, T., Arai, A., Takahashi, Y., Imaizumi, R., Takeshita, K., Matsuura, H., Sakai, N., Takahashi, S., Yamamoto, M., Kataoka, K., Nakayama, T., Yamashita, S.

To be published.

Macromolecule Content

Total Structure Weight: 347.91 kDa
Atom Count: 23,162
Modeled Residue Count: 2,951
Deposited Residue Count: 3,120
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-glucosidase	A, B, C, D	780	Paenibacillus relictisesami	Mutation(s): 0 Gene Names: PSTG EC: 3.2.1.21
UniProt
Find proteins for D6RVX0 (Paenibacillus relictisesami) Explore D6RVX0 Go to UniProtKB: D6RVX0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	D6RVX0
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HTG (Subject of Investigation/LOI) Query on HTG Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain H [auth B] SDF format, chain I [auth C] MOL2 format, chain E [auth A] MOL2 format, chain H [auth B] MOL2 format, chain I [auth C] mmCIF format, chain E [auth A] mmCIF format, chain H [auth B] mmCIF format, chain I [auth C]	E [auth A], H [auth B], I [auth C]	heptyl 1-thio-beta-D-glucopyranoside C₁₃ H₂₆ O₅ S HPEGNLMTTNTJSP-LBELIVKGSA-N		Interactions Focus chain E [auth A] Focus chain H [auth B] Focus chain I [auth C] Interactions & Density Focus chain E [auth A] Focus chain H [auth B] Focus chain I [auth C]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain J [auth C] SDF format, chain L [auth D] MOL2 format, chain F [auth A] MOL2 format, chain J [auth C] MOL2 format, chain L [auth D] mmCIF format, chain F [auth A] mmCIF format, chain J [auth C] mmCIF format, chain L [auth D]	F [auth A], J [auth C], L [auth D]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain F [auth A] Focus chain J [auth C] Focus chain L [auth D] Interactions & Density Focus chain F [auth A] Focus chain J [auth C] Focus chain L [auth D]
GOL (Subject of Investigation/LOI) Query on GOL Download Ideal Coordinates CCD File SDF format, chain M [auth D] MOL2 format, chain M [auth D] mmCIF format, chain M [auth D]	M [auth D]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain M [auth D] Interactions & Density Focus chain M [auth D]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain G [auth B] SDF format, chain K [auth C] MOL2 format, chain G [auth B] MOL2 format, chain K [auth C] mmCIF format, chain G [auth B] mmCIF format, chain K [auth C]	G [auth B], K [auth C]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain G [auth B] Focus chain K [auth C] Interactions & Density Focus chain G [auth B] Focus chain K [auth C]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 3.35 Å
R-Value Free: 0.286 (Depositor), 0.286 (DCC)
R-Value Work: 0.245 (Depositor), 0.245 (DCC)
R-Value Observed: 0.247 (Depositor)

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.6	α = 71.503
b = 112.04	β = 82.829
c = 156.59	γ = 79.848

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2026-02-04

Deposition Author(s):

Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	24KJ1191
Japan Agency for Medical Research and Development (AMED)	Japan	JP20am0101070 (support number 2824)