9M2D | pdb_00009m2d

SERF1_HUMAN short isoform of Small EDRK-rich factor 1, serf1a at pH 6.8.

PDB DOI: https://doi.org/10.2210/pdb9M2D/pdb

Classification: NUCLEAR PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-02-27 Released: 2026-01-14
Deposition Author(s): Huang, S.Y., Shih, O., Jeng, U.S., Chang, C.F., Lin, J.H., Malliavin, T.E.
Funding Organization(s): National Science Council (NSC, Taiwan)

Experimental Data Snapshot

Method: SOLUTION NMR
Conformers Calculated: 2000
Conformers Submitted: 100
Selection Criteria: structures with the lowest energy

wwPDB Validation 3D Report Full Report

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

Literature

pH Sensitivity of the SERF1a Conformational Ensemble.

Huang, S.Y., Shih, O., Jeng, U.S., Chang, C.F., Lin, J.H., Malliavin, T.E.

(2026) ACS Omega

DOI: https://doi.org/10.1021/acsomega.5c07620

Macromolecule Content

Total Structure Weight: 7.5 kDa
Atom Count: 508
Modeled Residue Count: 62
Deposited Residue Count: 64
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform Short of Small EDRK-rich factor 1	A	64	Homo sapiens	Mutation(s): 0 Gene Names: SERF1A, FAM2A, SERF1, SMAM1, SERF1B, FAM2B
UniProt & NIH Common Fund Data Resources
Find proteins for O75920 (Homo sapiens) Go to UniProtKB: O75920
GTEx: ENSG00000172058 ENSG00000205572
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	O75920-2
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: SOLUTION NMR
Conformers Calculated: 2000
Conformers Submitted: 100
Selection Criteria: structures with the lowest energy

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2026-01-14

Deposition Author(s):

Malliavin, T.E.

Funding Organization	Location	Grant Number
National Science Council (NSC, Taiwan)	Taiwan	--

Revision History (Full details and data files)

Version 1.0: 2026-01-14
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.