ID   RL18A_HALMA             Reviewed;          56 AA.
AC   P14125;
DT   01-JAN-1990, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=50S ribosomal protein L18Ae {ECO:0000255|HAMAP-Rule:MF_00273};
DE   AltName: Full=50S ribosomal protein L20e {ECO:0000255|HAMAP-Rule:MF_00273};
DE   AltName: Full=50S ribosomal protein LX {ECO:0000255|HAMAP-Rule:MF_00273};
DE   AltName: Full=HL32;
GN   Name=rpl18a {ECO:0000255|HAMAP-Rule:MF_00273};
GN   Synonyms=rpl20e {ECO:0000255|HAMAP-Rule:MF_00273},
GN   rplX {ECO:0000255|HAMAP-Rule:MF_00273}; OrderedLocusNames=rrnAC3115.1;
OS   Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM
OS   B-1809) (Halobacterium marismortui).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Haloarculaceae; Haloarcula.
OX   NCBI_TaxID=272569;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809;
RX   PubMed=15520287; DOI=10.1101/gr.2700304;
RA   Baliga N.S., Bonneau R., Facciotti M.T., Pan M., Glusman G., Deutsch E.W.,
RA   Shannon P., Chiu Y., Weng R.S., Gan R.R., Hung P., Date S.V., Marcotte E.,
RA   Hood L., Ng W.V.;
RT   "Genome sequence of Haloarcula marismortui: a halophilic archaeon from the
RT   Dead Sea.";
RL   Genome Res. 14:2221-2234(2004).
RN   [2]
RP   PROTEIN SEQUENCE OF 2-56, AND SUBUNIT.
RX   PubMed=2591382; DOI=10.1111/j.1432-1033.1989.tb15166.x;
RA   Hatakeyama T., Kaufmann F., Schroeter B., Hatakeyama T.;
RT   "Primary structures of five ribosomal proteins from the archaebacterium
RT   Halobacterium marismortui and their structural relationships to eubacterial
RT   and eukaryotic ribosomal proteins.";
RL   Eur. J. Biochem. 185:685-693(1989).
RN   [3]
RP   X-RAY CRYSTALLOGRAPHY (2.4 ANGSTROMS) OF THE 50S SUBUNIT, AND RRNA-BINDING.
RX   PubMed=23695244; DOI=10.1107/s0907444913004745;
RA   Gabdulkhakov A., Nikonov S., Garber M.;
RT   "Revisiting the Haloarcula marismortui 50S ribosomal subunit model.";
RL   Acta Crystallogr. D 69:997-1004(2013).
CC   -!- SUBUNIT: Part of the 50S ribosomal subunit. Binds 23S rRNA.
CC       {ECO:0000255|HAMAP-Rule:MF_00273, ECO:0000269|PubMed:2591382}.
CC   -!- SIMILARITY: Belongs to the eukaryotic ribosomal protein eL20 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00273}.
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DR   EMBL; AY596297; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   PIR; S06848; R5HS32.
DR   PDB; 4V9F; X-ray; 2.40 A; 6=1-56.
DR   PDBsum; 4V9F; -.
DR   AlphaFoldDB; P14125; -.
DR   SMR; P14125; -.
DR   IntAct; P14125; 1.
DR   Proteomes; UP000001169; Chromosome I.
DR   GO; GO:0005840; C:ribosome; IEA:UniProtKB-KW.
DR   GO; GO:0070180; F:large ribosomal subunit rRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003735; F:structural constituent of ribosome; IEA:InterPro.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00273; Ribosomal_L18Ae; 1.
DR   InterPro; IPR028877; 50S_L18Ae/Ribosomal_L18a/L20.
DR   InterPro; IPR023573; Ribosomal_L18a//L18Ae/LX.
DR   Pfam; PF01775; Ribosomal_L18A; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Direct protein sequencing; Reference proteome;
KW   Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:2591382"
FT   CHAIN           2..56
FT                   /note="50S ribosomal protein L18Ae"
FT                   /id="PRO_0000153696"
FT   REGION          1..24
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   STRAND          4..10
FT                   /evidence="ECO:0007829|PDB:4V9F"
FT   STRAND          13..15
FT                   /evidence="ECO:0007829|PDB:4V9F"
FT   STRAND          17..23
FT                   /evidence="ECO:0007829|PDB:4V9F"
FT   HELIX           28..43
FT                   /evidence="ECO:0007829|PDB:4V9F"
FT   TURN            47..49
FT                   /evidence="ECO:0007829|PDB:4V9F"
FT   STRAND          51..56
FT                   /evidence="ECO:0007829|PDB:4V9F"
SQ   SEQUENCE   56 AA;  6388 MW;  0800E309FC986550 CRC64;
     MSTYTVRGSF PARDGPQQFE KEVEAPNENV AEERVYSDFG SQHNLKRTQI TIEEVA