ID   KARG_CARMA              Reviewed;         357 AA.
AC   Q9U9J4;
DT   25-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 65.
DE   RecName: Full=Arginine kinase;
DE            Short=AK;
DE            EC=2.7.3.3;
OS   Carcinus maenas (Common shore crab) (Green crab).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Crustacea; Multicrustacea;
OC   Malacostraca; Eumalacostraca; Eucarida; Decapoda; Pleocyemata; Brachyura;
OC   Eubrachyura; Portunoidea; Carcinidae; Carcinus.
OX   NCBI_TaxID=6759;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Gill;
RA   Paulsen R.S., Kotlyar S., Weihrauch D., Towle D.W.;
RT   "Arginine kinase mRNA sequence from the gill of the green shore crab
RT   Carcinus maenas.";
RL   Submitted (JUL-1999) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-arginine = ADP + H(+) + N(omega)-phospho-L-arginine;
CC         Xref=Rhea:RHEA:22940, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:32682, ChEBI:CHEBI:58477, ChEBI:CHEBI:456216; EC=2.7.3.3;
CC   -!- SIMILARITY: Belongs to the ATP:guanido phosphotransferase family.
CC       {ECO:0000255|PROSITE-ProRule:PRU00842, ECO:0000255|PROSITE-
CC       ProRule:PRU00843}.
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DR   EMBL; AF167313; AAD48470.1; -; mRNA.
DR   AlphaFoldDB; Q9U9J4; -.
DR   SMR; Q9U9J4; -.
DR   BRENDA; 2.7.3.3; 1184.
DR   GO; GO:0004054; F:arginine kinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004111; F:creatine kinase activity; IEA:InterPro.
DR   GO; GO:0046314; P:phosphocreatine biosynthetic process; IEA:InterPro.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.135.10; -; 1.
DR   InterPro; IPR000749; ATP-guanido_PTrfase.
DR   InterPro; IPR022415; ATP-guanido_PTrfase_AS.
DR   InterPro; IPR022414; ATP-guanido_PTrfase_cat.
DR   InterPro; IPR022413; ATP-guanido_PTrfase_N.
DR   InterPro; IPR036802; ATP-guanido_PTrfase_N_sf.
DR   InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR   PANTHER; PTHR11547; PTHR11547; 1.
DR   Pfam; PF00217; ATP-gua_Ptrans; 1.
DR   Pfam; PF02807; ATP-gua_PtransN; 1.
DR   SUPFAM; SSF48034; SSF48034; 1.
DR   SUPFAM; SSF55931; SSF55931; 1.
DR   PROSITE; PS00112; PHOSPHAGEN_KINASE; 1.
DR   PROSITE; PS51510; PHOSPHAGEN_KINASE_C; 1.
DR   PROSITE; PS51509; PHOSPHAGEN_KINASE_N; 1.
PE   2: Evidence at transcript level;
KW   Acetylation; ATP-binding; Kinase; Nucleotide-binding; Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..357
FT                   /note="Arginine kinase"
FT                   /id="PRO_0000211997"
FT   DOMAIN          9..91
FT                   /note="Phosphagen kinase N-terminal"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00842"
FT   DOMAIN          119..356
FT                   /note="Phosphagen kinase C-terminal"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00843"
FT   BINDING         64..68
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         122..126
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00843"
FT   BINDING         185
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00843"
FT   BINDING         225
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         229
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00843"
FT   BINDING         271
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         280..284
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00843"
FT   BINDING         309..314
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00843"
FT   BINDING         314
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   MOD_RES         2
FT                   /note="N-acetylalanine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   357 AA;  40237 MW;  B3ACCBDA07D760CE CRC64;
     MADAATITKL EEGFKKLEAA TDCKSLLKKY LTKSVFDQLK AKKTSLGATL LDVIQSGVEN
     LDSGVGVYAP DAEAYTLFSP LFDPIIEDYH KGFKQTDKHP NKDFGDVNQF VNVDPDGKFV
     ISTRVRCGRS MEGYPFNPCL TEAQYKEMES KVSSTLSNLE GELKGTYHAL TGMTKDVQQK
     LIDDHFLFKE GDRFLQAANA CRYWPTGRGI YHNDNKTFLV WCNEEDHLRI ISMQMGGDLG
     QVYRRLVTAV NDIEKRVPFS HHDRLGFLTF CPTNLGTTVR ASVHIKLPKL AANRDKLEEV
     AGKYSLQVRG TRGEHTEAEG GVYDISNKRR MGLTEFQAVK EMQDGILELI KIEKEMQ