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2fpp

Crystal structure of pig GTP-specific succinyl-CoA synthetase from polyethylene glycol with chloride ions

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Succinyl-CoA ligase [GDP-forming] alpha-chain, mitochondrial

Sus scrofa

UniProt O19069-2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Succinyl-CoA ligase [GDP-forming] beta-chain, mitochondrial × 1 （P53590） SULFATE ION × 3 CHLORIDE ION × 1 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2fp4 2fpg 2fpi 2fpp

4 assemblies

View Construct and Data Evidence
UniProt name SUCA_PIG
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–305； UniProt 29–332

Succinyl-CoA ligase [GDP-forming] beta-chain, mitochondrial

Sus scrofa

UniProt P53590

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Succinyl-CoA ligase [GDP-forming] alpha-chain, mitochondrial × 1 （O19069-2） SULFATE ION × 3 CHLORIDE ION × 1 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1euc 1eud 2fp4 2fpg 2fpi 2fpp 4xx0 5cae 6xru 7jfp 7jj0 7jj0

15 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name SUCB2_PIG
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 2–395； UniProt 40–433

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id2fpp
Deposition date deposition_date2006-01-16
Structure title titleCrystal structure of pig GTP-specific succinyl-CoA synthetase from polyethylene glycol with chloride ions
Keywords keywordsActive site Phosphohistidine residue, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2fpp__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2fpp__assembly_1__model_1 | I(q)

10-2 10-1 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2fpp__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）28.06 Å
Rg (electron density)27.32 Å
Total Rg28.01 Å
Atom count5241
Residues697
Excluded volume93733 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2fpp__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_idd2fppa1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.8 — CoA-binding domain
Domain ID domain_idd2fppa2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.4 — Succinyl-CoA synthetase domains
Family Family familyc.23.4.1 — Succinyl-CoA synthetase domains
Domain ID domain_idd2fppa3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fppb1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.4 — Succinyl-CoA synthetase domains
Family Family familyc.23.4.1 — Succinyl-CoA synthetase domains
Domain ID domain_idd2fppb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.142 — ATP-grasp
Superfamily Superfamily superfamilyd.142.1 — Glutathione synthetase ATP-binding domain-like
Family Family familyd.142.1.4 — Succinyl-CoA synthetase, beta-chain, N-terminal domain

CATH v4.4 (5 domains)

Domain ID domain_id2fppA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id2fppA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily261 — Succinyl-CoA synthetase domains
Domain ID domain_id2fppB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology470 — D-amino Acid Aminotransferase; Chain A, domain 1
Homologous superfamily homologous superfamily20 — ATP-grasp fold, B domain
Domain ID domain_id2fppB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily20 — ATP-grasp fold, A domain
Domain ID domain_id2fppB03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily261 — Succinyl-CoA synthetase domains
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7. Citations (1)