9IQ5 | pdb_00009iq5

CatM, SnoaL-like protein

PDB DOI: https://doi.org/10.2210/pdb9IQ5/pdb

Classification: BIOSYNTHETIC PROTEIN
Organism(s): Streptantibioticus cattleyicolor NRRL 8057 = DSM 46488
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
Mutation(s): No

Deposited: 2024-07-12 Released: 2025-07-16
Deposition Author(s): Zhang, B., Zhu, A., Ma, X.X., Ge, H.M.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.06 Å
R-Value Free:
0.270 (Depositor), 0.269 (DCC)
R-Value Work:
0.236 (Depositor), 0.237 (DCC)
R-Value Observed:
0.238 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Structural and mechanistic insights into iminium-catalysed macrocyclization by nuclear transport factor 2-like enzymes

Liu, C.L., Zhang, B., Ge, H.M.

(2026) Nat Synth

DOI: https://doi.org/10.1038/s44160-025-00989-z

Macromolecule Content

Total Structure Weight: 29.1 kDa
Atom Count: 1,873
Modeled Residue Count: 239
Deposited Residue Count: 264
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SnoaL-like domain-containing protein	A, B	132	Streptantibioticus cattleyicolor NRRL 8057 = DSM 46488	Mutation(s): 0 Gene Names: SCATT_01420
UniProt
Find proteins for G8X1I4 (Streptantibioticus cattleyicolor (strain ATCC 35852 / DSM 46488 / JCM 4925 / NBRC 14057 / NRRL 8057)) Explore G8X1I4 Go to UniProtKB: G8X1I4
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	G8X1I4
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.06 Å
R-Value Free: 0.270 (Depositor), 0.269 (DCC)
R-Value Work: 0.236 (Depositor), 0.237 (DCC)
R-Value Observed: 0.238 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.092	α = 90
b = 61.985	β = 90
c = 99.609	γ = 90

Software Package:

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

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-07-16

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	22277051,81925033, 22193071

Revision History (Full details and data files)

Version 1.0: 2025-07-16
Type: Initial release
Version 1.1: 2026-02-04
Changes: Database references

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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.