9DSV | pdb_00009dsv

Thermotoga maritima threonylcarbamoyl adenylate synthase (TsaC2) in complex with N-carboxy-L-threonine, magnesium and ATP

PDB DOI: https://doi.org/10.2210/pdb9DSV/pdb

Classification: BIOSYNTHETIC PROTEIN
Organism(s): Thermotoga maritima
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-09-29 Released: 2025-10-29
Deposition Author(s): Kutshuashvili, A., Swairjo, M.A.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.01 Å
R-Value Free:
0.216 (Depositor), 0.223 (DCC)
R-Value Work:
0.193 (Depositor), 0.202 (DCC)
R-Value Observed:
0.194 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Crystallographic evidence of N-carboxy-L-threonine intermediate in t6A modification of tRNA.

Kutchaushvili, A., Wood, E., Luthra, A., Hung, S.-H., Swinehart, W., Sankaran, B., Scheleen, E., Iwata-Reuyl, D., Swairjo, M.A.

To be published.

Macromolecule Content

Total Structure Weight: 79.01 kDa
Atom Count: 5,721
Modeled Residue Count: 646
Deposited Residue Count: 680
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Threonylcarbamoyl-AMP synthase	A, B	340	Thermotoga maritima	Mutation(s): 0 Gene Names: TM_0852 EC: 2.7.7.87
UniProt
Find proteins for Q9WZV6 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9WZV6 Go to UniProtKB: Q9WZV6
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q9WZV6
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ATP Query on ATP Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain L [auth B] MOL2 format, chain E [auth A] MOL2 format, chain L [auth B] mmCIF format, chain E [auth A] mmCIF format, chain L [auth B]	E [auth A], L [auth B]	ADENOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₃ P₃ ZKHQWZAMYRWXGA-KQYNXXCUSA-N		Interactions Focus chain E [auth A] Focus chain L [auth B] Interactions & Density Focus chain E [auth A] Focus chain L [auth B]
TXA (Subject of Investigation/LOI) Query on TXA Download Ideal Coordinates CCD File SDF format, chain H [auth B] MOL2 format, chain H [auth B] mmCIF format, chain H [auth B]	H [auth B]	threonylcarbamoyladenylate C₁₅ H₂₁ N₆ O₁₁ P GHLUPQUHEIJRCU-DWVDDHQFSA-N		Interactions Focus chain H [auth B] Interactions & Density Focus chain H [auth B]
DPO (Subject of Investigation/LOI) Query on DPO Download Ideal Coordinates CCD File SDF format, chain J [auth B] MOL2 format, chain J [auth B] mmCIF format, chain J [auth B]	J [auth B]	DIPHOSPHATE O₇ P₂ XPPKVPWEQAFLFU-UHFFFAOYSA-J		Interactions Focus chain J [auth B] Interactions & Density Focus chain J [auth B]
U6A (Subject of Investigation/LOI) Query on U6A Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain K [auth B] MOL2 format, chain C [auth A] MOL2 format, chain K [auth B] mmCIF format, chain C [auth A] mmCIF format, chain K [auth B]	C [auth A], K [auth B]	N-carboxy-L-threonine C₅ H₉ N O₅ OJLPTWSLDBSLEH-GBXIJSLDSA-N		Interactions Focus chain C [auth A] Focus chain K [auth B] Interactions & Density Focus chain C [auth A] Focus chain K [auth B]
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain M [auth B] SDF format, chain N [auth B] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain M [auth B] MOL2 format, chain N [auth B] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain M [auth B] mmCIF format, chain N [auth B]	F [auth A], G [auth A], M [auth B], N [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain M [auth B] Focus chain N [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain M [auth B] Focus chain N [auth B]
MG (Subject of Investigation/LOI) Query on MG Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain I [auth B] MOL2 format, chain D [auth A] MOL2 format, chain I [auth B] mmCIF format, chain D [auth A] mmCIF format, chain I [auth B]	D [auth A], I [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain I [auth B] Interactions & Density Focus chain D [auth A] Focus chain I [auth B]