7MSS

Human E105Qa GTP-specific succinyl-CoA synthetase complexed with succinate, magnesium ion and CoA

PDB DOI: https://doi.org/10.2210/pdb7MSS/pdb

Classification: LIGASE
Organism(s): Homo sapiens
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2021-05-12 Released: 2022-10-12
Deposition Author(s): Huang, J., Fraser, M.E.
Funding Organization(s): Natural Sciences and Engineering Research Council (NSERC, Canada)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.75 Å
R-Value Free: 0.227
R-Value Work: 0.202
R-Value Observed: 0.204

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

The structure of succinyl-CoA synthetase bound to the succinyl-phosphate intermediate clarifies the catalytic mechanism of ATP-citrate lyase

Huang, J., Fraser, M.E.

(2022) Acta Crystallogr F Struct Biol Commun 78: 363-370

DOI: https://doi.org/10.1107/S2053230X22008810

Macromolecule Content

Total Structure Weight: 77.53 kDa
Atom Count: 5,628
Modelled Residue Count: 700
Deposited Residue Count: 710
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Succinate--CoA ligase [ADP/GDP-forming] subunit alpha, mitochondrial	A	315	Homo sapiens	Mutation(s): 1 Gene Names: SUCLG1 EC: 6.2.1.4 (PDB Primary Data), 6.2.1.5 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P53597 (Homo sapiens) Explore P53597 Go to UniProtKB: P53597
PHAROS: P53597 GTEx: ENSG00000163541
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P53597
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Succinate--CoA ligase [GDP-forming] subunit beta, mitochondrial	B	395	Homo sapiens	Mutation(s): 0 Gene Names: SUCLG2 EC: 6.2.1.4
UniProt & NIH Common Fund Data Resources
Find proteins for Q96I99 (Homo sapiens) Explore Q96I99 Go to UniProtKB: Q96I99
PHAROS: Q96I99 GTEx: ENSG00000172340
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q96I99
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
COA Query on COA Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	COENZYME A C₂₁ H₃₆ N₇ O₁₆ P₃ S RGJOEKWQDUBAIZ-IBOSZNHHSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
SIN (Subject of Investigation/LOI) Query on SIN Download Ideal Coordinates CCD File SDF format, chain I [auth B] MOL2 format, chain I [auth B] mmCIF format, chain I [auth B]	I [auth B]	SUCCINIC ACID C₄ H₆ O₄ KDYFGRWQOYBRFD-UHFFFAOYSA-N		Interactions Focus chain I [auth B] Interactions & Density Focus chain I [auth B]
PO4 Query on PO4 Download Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A] mmCIF format, chain G [auth A]	G [auth A]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain G [auth A] Interactions & Density Focus chain G [auth A]
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain H [auth B] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain H [auth B] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain H [auth B]	D [auth A], E [auth A], F [auth A], H [auth B]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain H [auth B] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain H [auth B]
MG (Subject of Investigation/LOI) Query on MG 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]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain J [auth B] Interactions & Density Focus chain J [auth B]