ID   NO21_SOYBN              Reviewed;         206 AA.
AC   P16313;
DT   01-AUG-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1990, sequence version 1.
DT   25-MAY-2022, entry version 71.
DE   RecName: Full=Nodulin-21;
DE            Short=N-21;
OS   Glycine max (Soybean) (Glycine hispida).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; indigoferoid/millettioid clade; Phaseoleae; Glycine;
OC   Glycine subgen. Soja.
OX   NCBI_TaxID=3847;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. Prize; TISSUE=Root nodule;
RX   PubMed=2102825; DOI=10.1007/bf00028782;
RA   Delauney A.J., Cheon C.-I., Verma D.P.S.;
RT   "A nodule-specific sequence encoding a methionine-rich polypeptide,
RT   nodulin-21.";
RL   Plant Mol. Biol. 14:449-451(1990).
CC   -!- FUNCTION: May play an important role in symbiotic nitrogen fixation.
CC   -!- SUBCELLULAR LOCATION: Membrane {ECO:0000305}; Multi-pass membrane
CC       protein {ECO:0000305}.
CC   -!- DEVELOPMENTAL STAGE: Abundant during nodule development.
CC   -!- SIMILARITY: Belongs to the CCC1 family. {ECO:0000305}.
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DR   EMBL; X16488; CAA34506.1; -; mRNA.
DR   PIR; S08632; S08632.
DR   RefSeq; NP_001236825.1; NM_001249896.1.
DR   AlphaFoldDB; P16313; -.
DR   SMR; P16313; -.
DR   STRING; 3847.GLYMA05G25010.1; -.
DR   GeneID; 547974; -.
DR   KEGG; gmx:547974; -.
DR   eggNOG; KOG4473; Eukaryota.
DR   Proteomes; UP000008827; Unplaced.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0016020; C:membrane; IBA:GO_Central.
DR   GO; GO:0005381; F:iron ion transmembrane transporter activity; IBA:GO_Central.
DR   GO; GO:0005384; F:manganese ion transmembrane transporter activity; IBA:GO_Central.
DR   GO; GO:0030026; P:cellular manganese ion homeostasis; IBA:GO_Central.
DR   GO; GO:0006880; P:intracellular sequestering of iron ion; IBA:GO_Central.
DR   GO; GO:0009877; P:nodulation; IEA:UniProtKB-KW.
DR   InterPro; IPR008217; Ccc1_fam.
DR   PANTHER; PTHR31851; PTHR31851; 1.
DR   Pfam; PF01988; VIT1; 2.
PE   2: Evidence at transcript level;
KW   Membrane; Nitrogen fixation; Nodulation; Reference proteome; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..206
FT                   /note="Nodulin-21"
FT                   /id="PRO_0000213728"
FT   TRANSMEM        61..81
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        89..109
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        153..173
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        180..200
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   206 AA;  21833 MW;  E2468DD2D4332AE5 CRC64;
     MVVVSPKMAN ATPNGSVPHN HVGAVLLTIP TIKIDGKQTL ATEDHTSIDY LQRAQWLRAA
     ILGANDGLVS VASLMMGVGA VKRDAKAMLL AGFAGLVAGA CGMAIGEFVA VYTQYEVEVG
     QMKRDMNMSV GGERDLEMEM ERRTLPNPLQ ATLASALCFS IGALVPLLSA AFIENYRTRI
     IVVVAMSCLA LVVFGWVGAK LGKTPK