7z0t

Structure of the Escherichia coli formate hydrogenlyase complex (aerobic preparation, composite structure)

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Formate hydrogenlyase subunit 3

OrganismNot specified

UniProt P16429

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Formate hydrogenlyase subunit 5 × 1 (P16431) Formate hydrogenlyase subunit 2 × 1 (P0AAK1) Formate hydrogenlyase subunit 7 × 1 (P16433) Formate hydrogenlyase subunit 6 × 1 (P16432) Formate hydrogenlyase subunit 4 × 1 (P16430) Formate dehydrogenase H × 1 (P07658) NICKEL (II) ION × 1 CARBONMONOXIDE-(DICYANO) IRON × 1 IRON/SULFUR CLUSTER × 8 FE (III) ION × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 MOLYBDENUM(VI) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HYCC_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain C; PDBConstruct 1–608; UniProt 1–608

Formate hydrogenlyase subunit 5

OrganismNot specified

UniProt P16431

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Formate hydrogenlyase subunit 3 × 1 (P16429) Formate hydrogenlyase subunit 2 × 1 (P0AAK1) Formate hydrogenlyase subunit 7 × 1 (P16433) Formate hydrogenlyase subunit 6 × 1 (P16432) Formate hydrogenlyase subunit 4 × 1 (P16430) Formate dehydrogenase H × 1 (P07658) NICKEL (II) ION × 1 CARBONMONOXIDE-(DICYANO) IRON × 1 IRON/SULFUR CLUSTER × 8 FE (III) ION × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 MOLYBDENUM(VI) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HYCE_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain E; PDBConstruct 1–581; UniProt 1–569

Formate hydrogenlyase subunit 2

OrganismNot specified

UniProt P0AAK1

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Formate hydrogenlyase subunit 3 × 1 (P16429) Formate hydrogenlyase subunit 5 × 1 (P16431) Formate hydrogenlyase subunit 7 × 1 (P16433) Formate hydrogenlyase subunit 6 × 1 (P16432) Formate hydrogenlyase subunit 4 × 1 (P16430) Formate dehydrogenase H × 1 (P07658) NICKEL (II) ION × 1 CARBONMONOXIDE-(DICYANO) IRON × 1 IRON/SULFUR CLUSTER × 8 FE (III) ION × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 MOLYBDENUM(VI) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HYCB_ECOLI
Isoform —
PDB entities 3
Chains and sequence ranges Author chain B; PDBConstruct 1–203; UniProt 1–203

Formate hydrogenlyase subunit 7

OrganismNot specified

UniProt P16433

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Formate hydrogenlyase subunit 3 × 1 (P16429) Formate hydrogenlyase subunit 5 × 1 (P16431) Formate hydrogenlyase subunit 2 × 1 (P0AAK1) Formate hydrogenlyase subunit 6 × 1 (P16432) Formate hydrogenlyase subunit 4 × 1 (P16430) Formate dehydrogenase H × 1 (P07658) NICKEL (II) ION × 1 CARBONMONOXIDE-(DICYANO) IRON × 1 IRON/SULFUR CLUSTER × 8 FE (III) ION × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 MOLYBDENUM(VI) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HYCG_ECOLI
Isoform —
PDB entities 4
Chains and sequence ranges Author chain G; PDBConstruct 1–255; UniProt 1–255

Formate hydrogenlyase subunit 6

OrganismNot specified

UniProt P16432

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Formate hydrogenlyase subunit 3 × 1 (P16429) Formate hydrogenlyase subunit 5 × 1 (P16431) Formate hydrogenlyase subunit 2 × 1 (P0AAK1) Formate hydrogenlyase subunit 7 × 1 (P16433) Formate hydrogenlyase subunit 4 × 1 (P16430) Formate dehydrogenase H × 1 (P07658) NICKEL (II) ION × 1 CARBONMONOXIDE-(DICYANO) IRON × 1 IRON/SULFUR CLUSTER × 8 FE (III) ION × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 MOLYBDENUM(VI) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HYCF_ECOLI
Isoform —
PDB entities 5
Chains and sequence ranges Author chain F; PDBConstruct 1–180; UniProt 1–180

Formate hydrogenlyase subunit 4

OrganismNot specified

UniProt P16430

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Formate hydrogenlyase subunit 3 × 1 (P16429) Formate hydrogenlyase subunit 5 × 1 (P16431) Formate hydrogenlyase subunit 2 × 1 (P0AAK1) Formate hydrogenlyase subunit 7 × 1 (P16433) Formate hydrogenlyase subunit 6 × 1 (P16432) Formate dehydrogenase H × 1 (P07658) NICKEL (II) ION × 1 CARBONMONOXIDE-(DICYANO) IRON × 1 IRON/SULFUR CLUSTER × 8 FE (III) ION × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 MOLYBDENUM(VI) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name HYCD_ECOLI
Isoform —
PDB entities 6
Chains and sequence ranges Author chain D; PDBConstruct 1–307; UniProt 1–307

Formate dehydrogenase H

OrganismNot specified

UniProt P07658

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Formate hydrogenlyase subunit 3 × 1 (P16429) Formate hydrogenlyase subunit 5 × 1 (P16431) Formate hydrogenlyase subunit 2 × 1 (P0AAK1) Formate hydrogenlyase subunit 7 × 1 (P16433) Formate hydrogenlyase subunit 6 × 1 (P16432) Formate hydrogenlyase subunit 4 × 1 (P16430) NICKEL (II) ION × 1 CARBONMONOXIDE-(DICYANO) IRON × 1 IRON/SULFUR CLUSTER × 8 FE (III) ION × 1 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 2 MOLYBDENUM(VI) ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name FDHF_ECOLI
Isoform —
PDB entities 7
Chains and sequence ranges Author chain A; PDBConstruct 1–715; UniProt 1–715

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_id7z0t
Deposition date deposition_date2022-02-23
Structure title titleStructure of the Escherichia coli formate hydrogenlyase complex (aerobic preparation, composite structure)
Keywords keywordsFHL, group-4 membrane bound hydrogenase, [NiFe] hydrogenase, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

7z0t__assembly_1__model_1

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

Download this curve (.dat)

7z0t__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

7z0t__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)51.05 Å
Rg (electron density)52.22 Å
Total Rg52.03 Å
Atom count20623
Residues2691
Excluded volume369950 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7z0t__assembly_1__model_1 heptameric (7) 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 (13)

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6. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

Domain ID domain_id7z0tA01
Class class2 — Mainly Beta
Architecture architecture20 — Single Sheet
Topology topology25 — N-terminal domain of TfIIb
Homologous superfamily homologous superfamily90 — ADC-like domains
Domain ID domain_id7z0tA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology228 — Dimethylsulfoxide Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dimethylsulfoxide Reductase, domain 2
Domain ID domain_id7z0tE01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology460 — Beta Polymerase; domain 2
Homologous superfamily homologous superfamily80 — NADH:ubiquinone oxidoreductase Nqo5 subunit
Domain ID domain_id7z0tE02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology645 — Cytochrome-c3 Hydrogenase; chain B
Homologous superfamily homologous superfamily10 — Cytochrome-c3 Hydrogenase, chain B
Domain ID domain_id7z0tG01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily12280 —
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7. Citations (1)