9Q5C | pdb_00009q5c

Cryo EM structure of alpha-glucosidase (yicI) from Klebsiella aerogenes

PDB DOI: https://doi.org/10.2210/pdb9Q5C/pdb
EM Map EMD-72225: EMDB EMDataResource

Classification: HYDROLASE
Organism(s): Klebsiella aerogenes KCTC 2190
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2025-08-20 Released: 2025-09-03
Deposition Author(s): Lovell, S., Liu, L., Ingham, D.J., Seattle Structural Genomics Center for Infectious Disease (SSGCID)
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.19 Å
Aggregation State: 2D ARRAY
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 9Q5C

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

Literature

Cryo EM structure of alpha-glucosidase (yicI) from Klebsiella aerogenes

Liu, L., Lovell, S., Ingham, D.J.

To be published.

Macromolecule Content

Total Structure Weight: 531.9 kDa
Atom Count: 37,062
Modeled Residue Count: 4,626
Deposited Residue Count: 4,680
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-glucosidase yicI	A, B, C, D, E A, B, C, D, E, F	780	Klebsiella aerogenes KCTC 2190	Mutation(s): 7 Gene Names: EAE_06545 EC: 3.2.1.177
UniProt
Find proteins for A0A0H3FLJ3 (Klebsiella aerogenes (strain ATCC 13048 / DSM 30053 / CCUG 1429 / JCM 1235 / KCTC 2190 / NBRC 13534 / NCIMB 10102 / NCTC 10006 / CDC 819-56)) Explore A0A0H3FLJ3 Go to UniProtKB: A0A0H3FLJ3
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A0H3FLJ3
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.19 Å
Aggregation State: 2D ARRAY
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	2.0_5778:
RECONSTRUCTION	cryoSPARC

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-09-03

Deposition Author(s):

Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93022C00036

Revision History (Full details and data files)

Version 1.0: 2025-09-03
Type: Initial release
Version 1.1: 2025-12-03
Changes: Data collection, Other

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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.