21AM | pdb_000021am

CryoEM structure of hGZMA-hGSDMBctd

PDB DOI: https://doi.org/10.2210/pdb21AM/pdb
EM Map EMD-67514: EMDB EMDataResource

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens
Expression System: Homo sapiens, Escherichia coli
Mutation(s): Yes

Deposited: 2025-12-05 Released: 2026-09-09
Deposition Author(s): Zhao, X., Li, S., Li, S., Zhang, K., Liu, Z.
Funding Organization(s): Other government

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.59 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation

Currently 21AM does not have a validation slider image.

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

Literature

CryoEM structure of hGZMA-hGSDMBctd

Zhao, X., Zhang, K., Liu, Z.

To be published.

Macromolecule Content

Total Structure Weight: 148.97 kDa
Atom Count: 6,048
Modeled Residue Count: 778
Deposited Residue Count: 1,320
Unique protein chains: 2

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Granzyme A	A, B	243	Homo sapiens	Mutation(s): 1 Gene Names: GZMA, CTLA3, HFSP EC: 3.4.21.78
UniProt & NIH Common Fund Data Resources
Find proteins for P12544 (Homo sapiens) Explore P12544 Go to UniProtKB: P12544
PHAROS: P12544 GTEx: ENSG00000145649
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P12544
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Gasdermin-B	C [auth D], D [auth E]	417	Homo sapiens	Mutation(s): 0 Gene Names: GSDMB, GSDML, PP4052, PRO2521
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TAX9 (Homo sapiens) Explore Q8TAX9 Go to UniProtKB: Q8TAX9
PHAROS: Q8TAX9 GTEx: ENSG00000073605
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q8TAX9
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.59 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487
RECONSTRUCTION	cryoSPARC

Structure Validation

Currently 21AM does not have a validation slider image.

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-09

Deposition Author(s):

Funding Organization	Location	Grant Number
Other government	China	--

Revision History (Full details and data files)

Version 1.0: 2026-09-09
Type: Initial release

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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.