ID HIP_THETI Reviewed; 83 AA. AC P80176; DT 01-OCT-1993, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-1993, sequence version 1. DT 03-MAY-2023, entry version 98. DE RecName: Full=High-potential iron-sulfur protein; DE Short=HiPIP; GN Name=hip; OS Thermochromatium tepidum (Chromatium tepidum). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales; Chromatiaceae; OC Thermochromatium. OX NCBI_TaxID=1050; RN [1] RP PROTEIN SEQUENCE. RC STRAIN=ATCC 43061 / DSM 3771 / MC; RX PubMed=8393645; DOI=10.1006/abbi.1993.1409; RA Moulis J.-M., Scherrer N., Gagnon J., Forest E., Petillot Y., Garcia D.; RT "Primary structure of Chromatium tepidum high-potential iron-sulfur protein RT in relation to thermal denaturation."; RL Arch. Biochem. Biophys. 305:186-192(1993). RN [2] RP X-RAY CRYSTALLOGRAPHY (1.5 ANGSTROMS) IN COMPLEX WITH IRON-SULFUR (4FE-4S). RX PubMed=11095707; DOI=10.1073/pnas.240224997; RA Nogi T., Fathir I., Kobayashi M., Nozawa T., Miki K.; RT "Crystal structures of photosynthetic reaction center and high-potential RT iron-sulfur protein from Thermochromatium tepidum: thermostability and RT electron transfer."; RL Proc. Natl. Acad. Sci. U.S.A. 97:13561-13566(2000). RN [3] RP X-RAY CRYSTALLOGRAPHY (0.8 ANGSTROMS) IN COMPLEX WITH IRON-SULFUR (4FE-4S). RX PubMed=12077426; DOI=10.1107/s0907444902006261; RA Liu L., Nogi T., Kobayashi M., Nozawa T., Miki K.; RT "Ultrahigh-resolution structure of high-potential iron-sulfur protein from RT Thermochromatium tepidum."; RL Acta Crystallogr. D 58:1085-1091(2002). CC -!- FUNCTION: Specific class of high-redox-potential 4Fe-4S ferredoxins. CC Functions in anaerobic electron transport in most purple and in some CC other photosynthetic bacteria and in at least one genus (Paracoccus) of CC halophilic, denitrifying bacteria. CC -!- BIOPHYSICOCHEMICAL PROPERTIES: CC Redox potential: CC E(0) is +323 mV.; CC Temperature dependence: CC Thermostable.; CC -!- SUBUNIT: Homodimer. {ECO:0000305}. CC -!- SIMILARITY: Belongs to the high-potential iron-sulfur protein (HiPIP) CC family. {ECO:0000255|PROSITE-ProRule:PRU00705}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR PIR; S35586; S35586. DR PDB; 1EYT; X-ray; 1.50 A; A=1-83. DR PDB; 1IUA; X-ray; 0.80 A; A=1-83. DR PDB; 2AMS; X-ray; 1.40 A; A=1-83. DR PDB; 2FLA; X-ray; 0.95 A; A=1-83. DR PDB; 3A38; X-ray; 0.70 A; A=1-83. DR PDB; 3A39; X-ray; 0.72 A; A=1-83. DR PDB; 5D8V; X-ray; 0.48 A; A=1-83. DR PDB; 5WQQ; X-ray; 0.80 A; A=1-83. DR PDB; 5WQR; X-ray; 0.80 A; A=1-83. DR PDB; 6AIQ; X-ray; 0.85 A; A=1-83. DR PDB; 6AIR; X-ray; 0.85 A; A=1-83. DR PDB; 7C52; X-ray; 2.89 A; b=1-83. DR PDB; 7VOS; Other; 0.66 A; A=1-83. DR PDBsum; 1EYT; -. DR PDBsum; 1IUA; -. DR PDBsum; 2AMS; -. DR PDBsum; 2FLA; -. DR PDBsum; 3A38; -. DR PDBsum; 3A39; -. DR PDBsum; 5D8V; -. DR PDBsum; 5WQQ; -. DR PDBsum; 5WQR; -. DR PDBsum; 6AIQ; -. DR PDBsum; 6AIR; -. DR PDBsum; 7C52; -. DR PDBsum; 7VOS; -. DR AlphaFoldDB; P80176; -. DR SMR; P80176; -. DR EvolutionaryTrace; P80176; -. DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW. DR GO; GO:0009055; F:electron transfer activity; IEA:InterPro. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0019646; P:aerobic electron transport chain; IEA:InterPro. DR Gene3D; 4.10.490.10; High potential iron-sulphur protein; 1. DR InterPro; IPR000170; High_potential_FeS_prot. DR InterPro; IPR036369; HIPIP_sf. DR Pfam; PF01355; HIPIP; 1. DR SUPFAM; SSF57652; HIPIP (high potential iron protein); 1. DR PROSITE; PS51373; HIPIP; 1. PE 1: Evidence at protein level; KW 3D-structure; 4Fe-4S; Direct protein sequencing; Electron transport; Iron; KW Iron-sulfur; Metal-binding; Transport. FT CHAIN 1..83 FT /note="High-potential iron-sulfur protein" FT /id="PRO_0000220429" FT BINDING 43 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /evidence="ECO:0000269|PubMed:11095707, FT ECO:0000269|PubMed:12077426" FT BINDING 46 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /evidence="ECO:0000269|PubMed:11095707, FT ECO:0000269|PubMed:12077426" FT BINDING 61 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /evidence="ECO:0000269|PubMed:11095707, FT ECO:0000269|PubMed:12077426" FT BINDING 75 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /evidence="ECO:0000269|PubMed:11095707, FT ECO:0000269|PubMed:12077426" FT HELIX 12..17 FT /evidence="ECO:0007829|PDB:5D8V" FT STRAND 20..22 FT /evidence="ECO:0007829|PDB:5D8V" FT HELIX 23..25 FT /evidence="ECO:0007829|PDB:5D8V" FT HELIX 28..31 FT /evidence="ECO:0007829|PDB:5D8V" FT HELIX 38..40 FT /evidence="ECO:0007829|PDB:5D8V" FT HELIX 43..45 FT /evidence="ECO:0007829|PDB:5D8V" FT STRAND 49..55 FT /evidence="ECO:0007829|PDB:5D8V" FT STRAND 58..61 FT /evidence="ECO:0007829|PDB:5D8V" FT STRAND 68..70 FT /evidence="ECO:0007829|PDB:5D8V" SQ SEQUENCE 83 AA; 8786 MW; 92116E4FD2C44E0A CRC64; AAPANAVTAD DPTAIALKYN QDATKSERVA AARPGLPPEE QHCANCQFMQ ANVGEGDWKG CQLFPGKLIN VNGWCASWTL KAG //