| Entry | Database: PDB / ID: 4gd3 |
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| Title | Structure of E. coli hydrogenase-1 in complex with cytochrome b |
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Components | - (Hydrogenase-1 ...) x 2
- Ni/Fe-hydrogenase 1 B-type cytochrome subunit
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Keywords | OXIDOREDUCTASE/ELECTRON TRANSPORT / O2-tolerant H2:quinone oxidoreductase / membrane-bound / Ni-Fe-hydrogenase-cytochrome B complex / OXIDOREDUCTASE-ELECTRON TRANSPORT complex |
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| Function / homology | Function and homology information
hydrogen metabolic process / hydrogenase (acceptor) / anaerobic electron transport chain / ferredoxin hydrogenase complex / [Ni-Fe] hydrogenase complex / hydrogenase (acceptor) activity / periplasmic side of plasma membrane / ferredoxin hydrogenase activity / anaerobic respiration / 3 iron, 4 sulfur cluster binding ...hydrogen metabolic process / hydrogenase (acceptor) / anaerobic electron transport chain / ferredoxin hydrogenase complex / [Ni-Fe] hydrogenase complex / hydrogenase (acceptor) activity / periplasmic side of plasma membrane / ferredoxin hydrogenase activity / anaerobic respiration / 3 iron, 4 sulfur cluster binding / nickel cation binding / cellular response to starvation / outer membrane-bounded periplasmic space / 4 iron, 4 sulfur cluster binding / electron transfer activity / iron ion binding / heme binding / membrane / metal ion binding / plasma membraneSimilarity search - Function Nickel-dependent hydrogenase b-type cytochrome subunit / : / Nickel-dependent hydrogenases b-type cytochrome subunit signature 1. / Nickel-dependent hydrogenases b-type cytochrome subunit signature 2. / Cytochrome b561, bacterial/Ni-hydrogenase / Prokaryotic cytochrome b561 / Fumarate Reductase Cytochrome B subunit / Transmembrane di-heme cytochromes, Chain C / Cytochrome-c3 Hydrogenase; Chain A, domain 2 / Cytochrome-c3 hydrogenase, C-terminal domain ...Nickel-dependent hydrogenase b-type cytochrome subunit / : / Nickel-dependent hydrogenases b-type cytochrome subunit signature 1. / Nickel-dependent hydrogenases b-type cytochrome subunit signature 2. / Cytochrome b561, bacterial/Ni-hydrogenase / Prokaryotic cytochrome b561 / Fumarate Reductase Cytochrome B subunit / Transmembrane di-heme cytochromes, Chain C / Cytochrome-c3 Hydrogenase; Chain A, domain 2 / Cytochrome-c3 hydrogenase, C-terminal domain / NADH:ubiquinone oxidoreductase-like, 20kDa subunit / : / [NiFe]-hydrogenase, small subunit / Cytochrome-c3 hydrogenase, C-terminal / [NiFe]-hydrogenase, small subunit, C-terminal domain superfamily / NiFe/NiFeSe hydrogenase small subunit C-terminal / HoxL-like / Nickel-dependent hydrogenases large subunit signature 2. / Nickel-dependent hydrogenases large subunit signature 1. / Cytochrome-c3 Hydrogenase; chain B / Cytochrome-c3 Hydrogenase, chain B / [NiFe]-hydrogenase, small subunit, N-terminal domain superfamily / Nickel-dependent hydrogenase, large subunit, nickel binding site / Nickel-dependent hydrogenase, large subunit / Nickel-dependent hydrogenase / Twin-arginine translocation pathway, signal sequence, bacterial/archaeal / Di-haem cytochrome, transmembrane / NADH:ubiquinone oxidoreductase-like, 20kDa subunit / NADH ubiquinone oxidoreductase, 20 Kd subunit / [NiFe]-hydrogenase, large subunit / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / Few Secondary Structures / Irregular / Up-down Bundle / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha BetaSimilarity search - Domain/homology FE4-S3 CLUSTER / CARBONMONOXIDE-(DICYANO) IRON / PROTOPORPHYRIN IX CONTAINING FE / NICKEL (II) ION / IRON/SULFUR CLUSTER / Probable Ni/Fe-hydrogenase 1 B-type cytochrome subunit / Hydrogenase-1 large chain / Hydrogenase-1 small chainSimilarity search - Component |
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| Biological species |  Escherichia coli (E. coli) |
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| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 3.3 Å |
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Authors | Volbeda, A. / Fontecilla-Camps, J.C. / Darnault, C. |
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Citation | |
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| History | | Deposition | Jul 31, 2012 | Deposition site: RCSB / Processing site: RCSB |
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| Revision 1.0 | Jan 2, 2013 | Provider: repository / Type: Initial release |
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| Revision 1.1 | Jan 9, 2013 | Group: Database references |
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| Revision 1.2 | Jan 30, 2013 | Group: Database references |
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| Revision 1.3 | Sep 13, 2023 | Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id |
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| Revision 1.4 | Aug 12, 2026 | Group: Data collection / Derived calculations / Structure summary Category: chem_comp_bond / pdbx_entry_details ...chem_comp_bond / pdbx_entry_details / pdbx_modification_feature / pdbx_nonpoly_atom_coordination / pdbx_nonpoly_atom_coordination_sphere / pdbx_nonpoly_atom_coordination_sphere_order / pdbx_struct_conn_angle / struct_conn Item: _chem_comp_bond.value_order / Description: Metalloprotein remediation / Provider: repository / Type: Remediation |
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