ID   HESB_NOSS1              Reviewed;         123 AA.
AC   P18501;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2002, sequence version 2.
DT   03-AUG-2022, entry version 116.
DE   RecName: Full=Protein HesB;
GN   Name=hesB; OrderedLocusNames=all1431;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2115111; DOI=10.1007/bf00261725;
RA   Borthakur D., Basche M., Buikema W.J., Borthakur P.B., Haselkorn R.;
RT   "Expression, nucleotide sequence and mutational analysis of two open
RT   reading frames in the nif gene region of Anabaena sp. strain PCC7120.";
RL   Mol. Gen. Genet. 221:227-234(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- FUNCTION: May be required for efficient nitrogen fixation.
CC   -!- SIMILARITY: Belongs to the HesB/IscA family. {ECO:0000305}.
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DR   EMBL; X15553; CAA33559.1; -; Genomic_DNA.
DR   EMBL; BA000019; BAB73388.1; -; Genomic_DNA.
DR   PIR; AD1985; AD1985.
DR   PIR; S11901; S11901.
DR   RefSeq; WP_010995603.1; NZ_RSCN01000040.1.
DR   AlphaFoldDB; P18501; -.
DR   SMR; P18501; -.
DR   STRING; 103690.17130778; -.
DR   EnsemblBacteria; BAB73388; BAB73388; BAB73388.
DR   KEGG; ana:all1431; -.
DR   eggNOG; COG0316; Bacteria.
DR   OMA; DFAWRGL; -.
DR   OrthoDB; 1891602at2; -.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProt.
DR   GO; GO:0016226; P:iron-sulfur cluster assembly; IEA:InterPro.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   Gene3D; 2.60.300.12; -; 1.
DR   InterPro; IPR000361; FeS_biogenesis.
DR   InterPro; IPR016092; FeS_cluster_insertion.
DR   InterPro; IPR017870; FeS_cluster_insertion_CS.
DR   InterPro; IPR035903; HesB-like_dom_sf.
DR   Pfam; PF01521; Fe-S_biosyn; 1.
DR   SUPFAM; SSF89360; SSF89360; 1.
DR   TIGRFAMs; TIGR00049; TIGR00049; 1.
DR   PROSITE; PS01152; HESB; 1.
PE   3: Inferred from homology;
KW   Nitrogen fixation; Reference proteome.
FT   CHAIN           1..123
FT                   /note="Protein HesB"
FT                   /id="PRO_0000076983"
FT   CONFLICT        112..123
FT                   /note="VGDCSPEGVPCS -> GG (in Ref. 1; CAA33559)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   123 AA;  13065 MW;  3BB67DC2851358A4 CRC64;
     MTVTLTEKAE FRLRAFLRGS AKDANETTKG IRVSVKDGGC SGYEYLMDVT SQPQPDDLVT
     QQGSVLVYVD AKSAPLLEGI VIDFVEGLVE SGFKFTNPNA TSTCGCGKSF KVGDCSPEGV
     PCS