1gx7

Best model of the electron transfer complex between cytochrome c3 and [Fe]-hydrogenase

▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

PERIPLASMIC [FE] HYDROGENASE LARGE SUBUNIT

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	PERIPLASMIC [FE] HYDROGENASE SMALL SUBUNIT × 1 （P07603） CYTOCHROME C3 × 1 （P00131） IRON/SULFUR CLUSTER × 3 1,3-PROPANEDITHIOL × 1 FE (II) ION × 2 CYANIDE ION × 2 CARBON MONOXIDE × 2 HEME C × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PHFL_DESVH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–371； UniProt 27–397

PERIPLASMIC [FE] HYDROGENASE SMALL SUBUNIT

OrganismNot specified

UniProt P07603

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	PERIPLASMIC [FE] HYDROGENASE LARGE SUBUNIT × 1 （P07598） CYTOCHROME C3 × 1 （P00131） IRON/SULFUR CLUSTER × 3 1,3-PROPANEDITHIOL × 1 FE (II) ION × 2 CYANIDE ION × 2 CARBON MONOXIDE × 2 HEME C × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PHFS_DESVH
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain D； PDBConstruct 1–88； UniProt 36–123

CYTOCHROME C3

OrganismNot specified

UniProt P00131

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	PERIPLASMIC [FE] HYDROGENASE LARGE SUBUNIT × 1 （P07598） PERIPLASMIC [FE] HYDROGENASE SMALL SUBUNIT × 1 （P07603） IRON/SULFUR CLUSTER × 3 1,3-PROPANEDITHIOL × 1 FE (II) ION × 2 CYANIDE ION × 2 CARBON MONOXIDE × 2 HEME C × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CYC3_DESVH
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain E； PDBConstruct 1–107； UniProt 23–129

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1gx7
Deposition date deposition_date	2002-03-28
Structure title title	Best model of the electron transfer complex between cytochrome c3 and [Fe]-hydrogenase
Keywords keywords	;OXIDOREDUCTASE, ELECTRON TRANSFER COMPLEX, HYDROGENASE, MULTIHEME CYTOCHROME, SOFT DOCKING, OXIDOREDUCTASE ELECTRON TRANSPORT, 4FE-4S, IRON-SULFUR ;; OXIDOREDUCTASE

▼

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.

1gx7__assembly_1__model_1

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

Download this curve (.dat)

1gx7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1gx7__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	24.87 Å
Rg (electron density)	24.50 Å
Total Rg	24.92 Å
Atom count	5509
Residues	566
Excluded volume	81408 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1gx7__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (9)

Entity 1 Entity 1 polymer

Description description	PERIPLASMIC [FE] HYDROGENASE LARGE SUBUNIT
Molecular weight formula_weight	40239.4 kDa
EC 编号 ec_number	1.18.99.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	5509

FVQIDEAKCIGCDTCSQYCPTAAIFGEMGEPHSIPHIEACINCGQCLTHCPENAIYEAQSWVPEVEKKLKDGKVKCIAMPAPAVRYALGDAFGMPVGSVTTGKMLAALQKLGFAHCWDTEFTADVTIWEEGSEFVERLTKKSDMPLPQFTSCCPGWQKYAETYYPELLPHFSTCKSPIGMNGALAKTYGAERMKYDPKQVYTVSIMPCIAKKYEGLRPELKSSGMRDIDATLTTRELAYMIKKAGIDFAKLPDGKRDSLMGESTGGATIFGVTGGVMEAALRFAYEAVTGKKPDSWDFKAVRGLDGIKEATVNVGGTDVKVAVVHGAKRFKQVCDDVKAGKSPYHFIEYMACPGGCVCGGGQPVMPGVLEA

Entity 2 Entity 2 polymer

Description description	PERIPLASMIC [FE] HYDROGENASE SMALL SUBUNIT
Molecular weight formula_weight	10082.4 kDa
EC 编号 ec_number	1.18.99.1
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

VKQIKDYMLDRINGVYGADAKFPVRASQDNTQVKALYKSYLEKPLGHKSHDLLHTHWFDKSKGVKELTTAGKLPNPRASEFEGPYPYE

Entity 3 Entity 3 polymer

Description description	CYTOCHROME C3
Molecular weight formula_weight	11687.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

APKAPADGLKMEATKQPVVFNHSTHKSVKCGDCHHPVNGKEDYRKCGTAGCHDSMDKKDKSAKGYYHVMHDKNTKFKSCVGCHVEVAGADAAKKKDLTGCKKSKCHE

Entity 4 Entity 4 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 5 Entity 5 non-polymer

Description description	1,3-PROPANEDITHIOL
Molecular weight formula_weight	108.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	FE (II) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 non-polymer

Description description	CYANIDE ION
Molecular weight formula_weight	26.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 8 Entity 8 non-polymer

Description description	CARBON MONOXIDE
Molecular weight formula_weight	28.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 9 Entity 9 non-polymer

Description description	HEME C
Molecular weight formula_weight	618.5 kDa
Source method src_method	syn
Copy count entity_count	4

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	1

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Best model of the electron transfer complex between cytochrome c3 and [Fe]-hydrogenase

1. Protein Identity and Related Structures Protein Identity & Related Structures

PERIPLASMIC [FE] HYDROGENASE LARGE SUBUNIT

State in the Current Structure

Other States of the Same Protein in the Database

PERIPLASMIC [FE] HYDROGENASE SMALL SUBUNIT

State in the Current Structure

Other States of the Same Protein in the Database

CYTOCHROME C3

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1gx7__assembly_1__model_1

1gx7__assembly_1__model_1 | I(q)

1gx7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (9)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

7. Citations (1)

Best model of the electron transfer complex between cytochrome c3 and [Fe]-hydrogenase

1. Protein Identity and Related Structures Protein Identity & Related Structures

PERIPLASMIC [FE] HYDROGENASE LARGE SUBUNIT

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PERIPLASMIC [FE] HYDROGENASE SMALL SUBUNIT

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

CYTOCHROME C3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1gx7__assembly_1__model_1

1gx7__assembly_1__model_1 | I(q)

1gx7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (9)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

7. Citations (1)