ID   AZUR_PSEFB              Reviewed;         128 AA.
AC   P00284;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Azurin;
OS   Pseudomonas fluorescens biotype B.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=50946;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   STRAIN=ATCC 17467 / Stanier B-93;
RA   Ambler R.P.;
RL   (In) Preverio A., Pechere J.-F., Coletti-preverio M.-A. (eds.);
RL   Developpements recents dans l'etude chimique de la structure des proteines,
RL   pp.289-305, INSERM, Paris (1971).
CC   -!- FUNCTION: Transfers electrons from cytochrome c551 to cytochrome
CC       oxidase.
CC   -!- SUBCELLULAR LOCATION: Periplasm.
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DR   PIR; A00290; AZPSBF.
DR   AlphaFoldDB; P00284; -.
DR   SMR; P00284; -.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   GO; GO:0005507; F:copper ion binding; IEA:InterPro.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   CDD; cd13922; Azurin; 1.
DR   Gene3D; 2.60.40.420; -; 1.
DR   InterPro; IPR014068; Azurin.
DR   InterPro; IPR000923; BlueCu_1.
DR   InterPro; IPR028871; BlueCu_1_BS.
DR   InterPro; IPR008972; Cupredoxin.
DR   Pfam; PF00127; Copper-bind; 1.
DR   SUPFAM; SSF49503; SSF49503; 1.
DR   TIGRFAMs; TIGR02695; azurin; 1.
DR   PROSITE; PS00196; COPPER_BLUE; 1.
PE   1: Evidence at protein level;
KW   Copper; Direct protein sequencing; Disulfide bond; Electron transport;
KW   Metal-binding; Periplasm; Transport.
FT   CHAIN           1..128
FT                   /note="Azurin"
FT                   /id="PRO_0000085549"
FT   DOMAIN          1..128
FT                   /note="Plastocyanin-like"
FT   BINDING         46
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250"
FT   BINDING         112
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250"
FT   BINDING         117
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250"
FT   BINDING         121
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250"
FT   DISULFID        3..26
FT                   /evidence="ECO:0000250"
FT   UNSURE          11
FT                   /note="Assigned by comparison with orthologs"
FT   UNSURE          12
FT                   /note="Assigned by comparison with orthologs"
FT   UNSURE          57
FT                   /note="Assigned by comparison with orthologs"
SQ   SEQUENCE   128 AA;  13799 MW;  E1239D9874EAA8CA CRC64;
     AECKTTIDST DQMSFNTKAI EIDKACKTFT VELTHSGSLP KNVMGHNLVI SKQADMQPIA
     TDGLSAGIDK NYLKEGDTRV IAHTKVIGAG EKDSLTIDVS KLNAAEKYGF FCSFPGHISM
     MKGTVTLK