28FA | pdb_000028fa

Cysteate fatty acyltransferase holostructure from Capnocytophaga ochracea

PDB DOI: https://doi.org/10.2210/pdb28FA/pdb

Classification: BIOSYNTHETIC PROTEIN
Organism(s): Capnocytophaga ochracea DSM 7271
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2026-06-23 Released: 2026-08-26
Deposition Author(s): Zhou, J.H., Pang, C.P.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.15 Å
R-Value Free:
0.255 (Depositor), 0.250 (DCC)
R-Value Work:
0.207 (Depositor), 0.203 (DCC)
R-Value Observed:
0.210 (Depositor)

Starting Model: in silico
View more details

wwPDB Validation 3D Report Full Report

Validation slider image for 28FA

Ligand Structure Quality Assessment

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

Literature

Structural and functional characterization of cysteate fatty acyltransferases involved in bacterial sulfonolipid biosynthesis

Zhou, J.H., Pang, C.P.

To be published.

Macromolecule Content

Total Structure Weight: 189.65 kDa
Atom Count: 13,046
Modeled Residue Count: 1,553
Deposited Residue Count: 1,680
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cysteate-C-fatty acyltransferase	A, B, C, D	420	Capnocytophaga ochracea DSM 7271	Mutation(s): 0 Gene Names: capB, Coch_1830 EC: 2.3.1
UniProt
Find proteins for C7M8J6 (Capnocytophaga ochracea (strain ATCC 27872 / DSM 7271 / CCUG 9716 / JCM 12966 / NCTC 12371 / SS31 / VPI 2845)) Explore C7M8J6 Go to UniProtKB: C7M8J6
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	C7M8J6
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
EDO (Subject of Investigation/LOI) Query on EDO Download:Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain F [auth B] MOL2 format, chain E [auth A] MOL2 format, chain F [auth B] mmCIF format, chain E [auth A] mmCIF format, chain F [auth B]	E [auth A], F [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain F [auth B] Interactions & Density Focus chain E [auth A] Focus chain F [auth B]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
LLP Query on LLP	A, B, C, D	L-PEPTIDE LINKING	C₁₄ H₂₂ N₃ O₇ P		LYS

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.15 Å
R-Value Free: 0.255 (Depositor), 0.250 (DCC)
R-Value Work: 0.207 (Depositor), 0.203 (DCC)
R-Value Observed: 0.210 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.078	α = 90
b = 81.862	β = 91.78
c = 145.669	γ = 90

Software Package:

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

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-08-26

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2026-08-26
Type: Initial release

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.