ENZYME entry: EC 3.4.11.18

Accepted Name
Methionyl aminopeptidase.
Alternative Name(s)
Methionine aminopeptidase.
Peptidase M.
Reaction catalysed
Release of N-terminal amino acids, preferentially methionine, from peptides and arylamides
Cofactor(s)
Cobalt.
Comment(s)
  • Removes the amino-terminal methionine from nascent proteins.
  • Membrane-bound enzyme present in both prokaryotes and eukaryotes.
  • Belongs to peptidase family M24A.
Cross-references
PROSITEPDOC00575
BRENDA3.4.11.18
EC2PDB3.4.11.18
ExplorEnz3.4.11.18
PRIAM enzyme-specific profiles3.4.11.18
KEGG Ligand Database for Enzyme Nomenclature3.4.11.18
IUBMB Enzyme Nomenclature3.4.11.18
IntEnz3.4.11.18
MEDLINEFind literature relating to 3.4.11.18
MetaCyc3.4.11.18
UniProtKB/Swiss-Prot
Q9SLN5, AMP1A_ARATH;  Q9FV52, AMP1B_ARATH;  Q9FV51, AMP1C_ARATH;  
Q9FV50, AMP1D_ARATH;  Q4VBS4, AMP1D_DANRE;  Q54VU7, AMP1D_DICDI;  
Q6UB28, AMP1D_HUMAN;  Q9CPW9, AMP1D_MOUSE;  C0NIQ4, AMP2A_AJECG;  
C5GCN0, AMP2A_AJEDR;  C5JW60, AMP2A_AJEDS;  Q9FV49, AMP2A_ARATH;  
E5R3Z8, AMP2A_ARTGP;  C5FF46, AMP2A_ARTOC;  A1CH02, AMP2A_ASPCL;  
B0Y5N4, AMP2A_ASPFC;  B8NA06, AMP2A_ASPFN;  Q4WNT9, AMP2A_ASPFU;  
A2QHX0, AMP2A_ASPNC;  Q0CL94, AMP2A_ASPTN;  Q2GYA8, AMP2A_CHAGB;  
E3QW41, AMP2A_COLGM;  Q5B4X6, AMP2A_EMENI;  E5R4J3, AMP2A_LEPMJ;  
C7YS77, AMP2A_NECH7;  A1DA84, AMP2A_NEOFI;  B6HTQ4, AMP2A_PENCW;  
B6Q1N3, AMP2A_PENMQ;  B2W1N6, AMP2A_PYRTR;  E3RCY7, AMP2A_PYRTT;  
B8LUH2, AMP2A_TALSN;  C0NX86, AMP2B_AJECG;  C5GLJ6, AMP2B_AJEDR;  
C5JYZ5, AMP2B_AJEDS;  Q56Y85, AMP2B_ARATH;  E5R278, AMP2B_ARTGP;  
C5FEJ1, AMP2B_ARTOC;  A1CCP2, AMP2B_ASPCL;  B0YAX5, AMP2B_ASPFC;  
B8NLL0, AMP2B_ASPFN;  Q4WAY7, AMP2B_ASPFU;  A2QAF9, AMP2B_ASPNC;  
Q0C838, AMP2B_ASPTN;  Q2GSJ7, AMP2B_CHAGB;  E3QDQ4, AMP2B_COLGM;  
Q5BGG1, AMP2B_EMENI;  E4ZYY3, AMP2B_LEPMJ;  C7Z7V7, AMP2B_NECH7;  
A1CXT5, AMP2B_NEOFI;  B6H5L5, AMP2B_PENCW;  B6QD96, AMP2B_PENMQ;  
B2VW14, AMP2B_PYRTR;  E3RD74, AMP2B_PYRTT;  B8M990, AMP2B_TALSN;  
B0XTJ7, AMP2C_ASPFC;  Q4WII3, AMP2C_ASPFU;  A1CYM1, AMP2C_NEOFI;  
P19994, AMPM1_BACSU;  A6QLA4, AMPM1_BOVIN;  Q5ZIM5, AMPM1_CHICK;  
Q4QRK0, AMPM1_DANRE;  Q54WU3, AMPM1_DICDI;  P53582, AMPM1_HUMAN;  
Q8BP48, AMPM1_MOUSE;  Q7D9D5, AMPM1_MYCTU;  Q5RBF3, AMPM1_PONAB;  
O59730, AMPM1_SCHPO;  P53579, AMPM1_SYNY3;  Q7ZWV9, AMPM1_XENLA;  
Q5I0A0, AMPM1_XENTR;  Q01662, AMPM1_YEAST;  C6HI66, AMPM2_AJECH;  
A6RGC8, AMPM2_AJECN;  D4B2G3, AMPM2_ARTBC;  Q2U6H2, AMPM2_ASPOR;  
O34484, AMPM2_BACSU;  A6RTU0, AMPM2_BOTFB;  Q3ZC89, AMPM2_BOVIN;  
Q59LF9, AMPM2_CANAL;  C4YSA9, AMPM2_CANAW;  B9WJA2, AMPM2_CANDC;  
C5M8M4, AMPM2_CANTT;  C4Y1F8, AMPM2_CLAL4;  C5P8Q4, AMPM2_COCP7;  
Q6BVB8, AMPM2_DEBHA;  Q55C21, AMPM2_DICDI;  Q8SR45, AMPM2_ENCCU;  
Q6XMH6, AMPM2_ENCHE;  Q6XMH7, AMPM2_ENCIN;  P50579, AMPM2_HUMAN;  
Q6CP80, AMPM2_KLULA;  B0CRL4, AMPM2_LACBS;  C5DE35, AMPM2_LACTC;  
A5E5I9, AMPM2_LODEL;  A4RDI6, AMPM2_MAGO7;  A8QBZ2, AMPM2_MALGO;  
O08663, AMPM2_MOUSE;  P0A5J2, AMPM2_MYCTU;  Q7S7L7, AMPM2_NEUCR;  
C1HAB2, AMPM2_PARBA;  C1GLM4, AMPM2_PARBD;  C0SIM8, AMPM2_PARBP;  
Q0UTI9, AMPM2_PHANO;  A5DR89, AMPM2_PICGU;  C4R2P3, AMPM2_PICPG;  
B2B738, AMPM2_PODAN;  E3L3Q8, AMPM2_PUCGT;  P38062, AMPM2_RAT;  
D8PR70, AMPM2_SCHCM;  O60085, AMPM2_SCHPO;  A7EZ86, AMPM2_SCLS1;  
D1ZEN1, AMPM2_SORMK;  P53580, AMPM2_SYNY3;  D4DE65, AMPM2_TRIVH;  
C4JSX6, AMPM2_UNCRE;  C9SB49, AMPM2_VERA1;  Q6CA79, AMPM2_YARLI;  
B3LNM2, AMPM2_YEAS1;  C7GSF3, AMPM2_YEAS2;  B5VDQ0, AMPM2_YEAS6;  
A6ZKL2, AMPM2_YEAS7;  C8Z3V4, AMPM2_YEAS8;  P38174, AMPM2_YEAST;  
P53581, AMPM3_SYNY3;  O66489, AMPM_AQUAE;  O28438, AMPM_ARCFU;  
Q9Z9J4, AMPM_BACHD;  O51132, AMPM_BORBU;  P57324, AMPM_BUCAI;  
Q8K9T1, AMPM_BUCAP;  Q89AP3, AMPM_BUCBP;  Q9PL68, AMPM_CHLMU;  
Q9Z6Q0, AMPM_CHLPN;  O84859, AMPM_CHLTR;  P69000, AMPM_CLOAB;  
P50614, AMPM_CLOPE;  P0AE20, AMPM_ECO57;  P0AE19, AMPM_ECOL6;  
P0AE18, AMPM_ECOLI;  P28617, AMPM_GEOSE;  P44421, AMPM_HAEIN;  
Q9ZJT0, AMPM_HELPJ;  P56102, AMPM_HELPY;  P41392, AMPM_KLEOX;  
P22624, AMPM_METFE;  Q58725, AMPM_METJA;  O27355, AMPM_METTH;  
P0A5J3, AMPM_MYCBO;  Q59509, AMPM_MYCCT;  O52353, AMPM_MYCGA;  
P47418, AMPM_MYCGE;  Q11132, AMPM_MYCPN;  Q9UYT4, AMPM_PYRAB;  
P56218, AMPM_PYRFU;  O58362, AMPM_PYRHO;  Q5JGD1, AMPM_PYRKO;  
Q9ZCD3, AMPM_RICPR;  P0A1X7, AMPM_SALTI;  P0A1X6, AMPM_SALTY;  
P0AE21, AMPM_SHIFL;  P0A080, AMPM_STAA1;  Q5HEN6, AMPM_STAAC;  
P0A078, AMPM_STAAM;  P99121, AMPM_STAAN;  Q6GFG9, AMPM_STAAR;  
Q6G846, AMPM_STAAS;  P0A079, AMPM_STAAW;  Q5HN46, AMPM_STAEQ;  
Q8CRU9, AMPM_STAES;  P95963, AMPM_SULSO;  O83814, AMPM_TREPA;  

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.4.11.-
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