2v4j

THE CRYSTAL STRUCTURE OF Desulfovibrio vulgaris DISSIMILATORY SULFITE REDUCTASE BOUND TO DsrC PROVIDES NOVEL INSIGHTS INTO THE MECHANISM OF SULFATE RESPIRATION

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

SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT ALPHA

OrganismNot specified

UniProt P45574

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT BETA × 2 (P45575) SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT GAMMA × 2 (P45573) IRON/SULFUR CLUSTER × 8 ;3,3',3'',3'''-[(1R,2S,3S,4S,7S,8S,11S,12S,13S,16S,19S)-3,8,13,17-tetrakis(carboxylatomethyl)-8,13-dimethyl-1,2,3,4,7,8,11,12,13,16,19,20,22,24-tetradecahydroporphyrin-2,7,12,18-tetrayl]tetrapropanoate ; × 2 SIROHEME × 2 SULFITE ION × 2 water × 6 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DSVA_DESVH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–437; UniProt 1–437 Author chain D; PDBConstruct 1–437; UniProt 1–437

SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT BETA

OrganismNot specified

UniProt P45575

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT ALPHA × 2 (P45574) SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT GAMMA × 2 (P45573) IRON/SULFUR CLUSTER × 8 ;3,3',3'',3'''-[(1R,2S,3S,4S,7S,8S,11S,12S,13S,16S,19S)-3,8,13,17-tetrakis(carboxylatomethyl)-8,13-dimethyl-1,2,3,4,7,8,11,12,13,16,19,20,22,24-tetradecahydroporphyrin-2,7,12,18-tetrayl]tetrapropanoate ; × 2 SIROHEME × 2 SULFITE ION × 2 water × 6 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DSVB_DESVH
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–381; UniProt 1–381 Author chain E; PDBConstruct 1–381; UniProt 1–381

SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT GAMMA

OrganismNot specified

UniProt P45573

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT ALPHA × 2 (P45574) SULFITE REDUCTASE, DISSIMILATORY-TYPE SUBUNIT BETA × 2 (P45575) IRON/SULFUR CLUSTER × 8 ;3,3',3'',3'''-[(1R,2S,3S,4S,7S,8S,11S,12S,13S,16S,19S)-3,8,13,17-tetrakis(carboxylatomethyl)-8,13-dimethyl-1,2,3,4,7,8,11,12,13,16,19,20,22,24-tetradecahydroporphyrin-2,7,12,18-tetrayl]tetrapropanoate ; × 2 SIROHEME × 2 SULFITE ION × 2 water × 6 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DSVC_DESVH
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–105; UniProt 1–105 Author chain F; PDBConstruct 1–105; UniProt 1–105

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_id2v4j
Deposition date deposition_date2008-09-22
Structure title titleTHE CRYSTAL STRUCTURE OF Desulfovibrio vulgaris DISSIMILATORY SULFITE REDUCTASE BOUND TO DsrC PROVIDES NOVEL INSIGHTS INTO THE MECHANISM OF SULFATE RESPIRATION
Keywords keywordsDISSIMILATORY SULFITE REDUCTASE, SIROHEME, OXIDOREDUCTASE, SIROHYDROCHLORIN; OXIDOREDUCTASE
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.

2v4j__assembly_1__model_1

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

Download this curve (.dat)

2v4j__assembly_1__model_1 | I(q)

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

2v4j__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)37.94 Å
Rg (electron density)37.64 Å
Total Rg37.71 Å
Atom count14800
Residues1838
Excluded volume263550 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2v4j__assembly_1__model_1 hexameric (6) 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 (8)

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6. Fold Classification (SCOP + CATH) 32 domains

SCOP 2.08 (14 domains)

Domain ID domain_idd2v4ja1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd2v4ja2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.36 — Nitrite/Sulfite reductase N-terminal domain-like
Family Family familyd.58.36.2 — DsrA/DsrB N-terminal-domain-like
Domain ID domain_idd2v4ja3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.134 — Nitrite and sulphite reductase 4Fe-4S domain-like
Superfamily Superfamily superfamilyd.134.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Family Family familyd.134.1.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Domain ID domain_idd2v4jb1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd2v4jb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.36 — Nitrite/Sulfite reductase N-terminal domain-like
Family Family familyd.58.36.2 — DsrA/DsrB N-terminal-domain-like
Domain ID domain_idd2v4jb3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.134 — Nitrite and sulphite reductase 4Fe-4S domain-like
Superfamily Superfamily superfamilyd.134.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Family Family familyd.134.1.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Domain ID domain_idd2v4jc1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.203 — DsrC, the gamma subunit of dissimilatory sulfite reductase
Superfamily Superfamily superfamilyd.203.1 — DsrC, the gamma subunit of dissimilatory sulfite reductase
Family Family familyd.203.1.1 — DsrC, the gamma subunit of dissimilatory sulfite reductase
Domain ID domain_idd2v4jd1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd2v4jd2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.36 — Nitrite/Sulfite reductase N-terminal domain-like
Family Family familyd.58.36.2 — DsrA/DsrB N-terminal-domain-like
Domain ID domain_idd2v4jd3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.134 — Nitrite and sulphite reductase 4Fe-4S domain-like
Superfamily Superfamily superfamilyd.134.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Family Family familyd.134.1.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Domain ID domain_idd2v4je1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.5 — Ferredoxin domains from multidomain proteins
Domain ID domain_idd2v4je2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.36 — Nitrite/Sulfite reductase N-terminal domain-like
Family Family familyd.58.36.2 — DsrA/DsrB N-terminal-domain-like
Domain ID domain_idd2v4je3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.134 — Nitrite and sulphite reductase 4Fe-4S domain-like
Superfamily Superfamily superfamilyd.134.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Family Family familyd.134.1.1 — Nitrite and sulphite reductase 4Fe-4S domain-like
Domain ID domain_idd2v4jf_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.203 — DsrC, the gamma subunit of dissimilatory sulfite reductase
Superfamily Superfamily superfamilyd.203.1 — DsrC, the gamma subunit of dissimilatory sulfite reductase
Family Family familyd.203.1.0 — automated matches

CATH v4.4 (18 domains)

Domain ID domain_id2v4jA01
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology140 — Helix Hairpins
Homologous superfamily homologous superfamily1420 —
Domain ID domain_id2v4jA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily2500 —
Domain ID domain_id2v4jA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology413 — Sulfite Reductase Hemoprotein; domain 1
Homologous superfamily homologous superfamily10 — Sulfite Reductase Hemoprotein, domain 1
Domain ID domain_id2v4jA04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily20 —
Domain ID domain_id2v4jB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3340 —
Domain ID domain_id2v4jB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology413 — Sulfite Reductase Hemoprotein; domain 1
Homologous superfamily homologous superfamily10 — Sulfite Reductase Hemoprotein, domain 1
Domain ID domain_id2v4jB03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily20 —
Domain ID domain_id2v4jC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1420 — Dissimilatory Siroheme-sulfite Reductase; Chain: A; domain 1
Homologous superfamily homologous superfamily10 — DsrC protein, N-terminal domain
Domain ID domain_id2v4jC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily370 — DsrC protein, C-terminal domain
Domain ID domain_id2v4jD01
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology140 — Helix Hairpins
Homologous superfamily homologous superfamily1420 —
Domain ID domain_id2v4jD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily2500 —
Domain ID domain_id2v4jD03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology413 — Sulfite Reductase Hemoprotein; domain 1
Homologous superfamily homologous superfamily10 — Sulfite Reductase Hemoprotein, domain 1
Domain ID domain_id2v4jD04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily20 —
Domain ID domain_id2v4jE01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3340 —
Domain ID domain_id2v4jE02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology413 — Sulfite Reductase Hemoprotein; domain 1
Homologous superfamily homologous superfamily10 — Sulfite Reductase Hemoprotein, domain 1
Domain ID domain_id2v4jE03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily20 —
Domain ID domain_id2v4jF01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1420 — Dissimilatory Siroheme-sulfite Reductase; Chain: A; domain 1
Homologous superfamily homologous superfamily10 — DsrC protein, N-terminal domain
Domain ID domain_id2v4jF02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily370 — DsrC protein, C-terminal domain
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7. Citations (2)