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mptE

Gene
mptE
Protein
6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Length
241 amino acids
Function
Catalyzes the transfer of diphosphate from ATP to 6-hydroxymethyl-7,8-dihydropterin (6-HMD), leading to 6-hydroxymethyl-7,8-dihydropterin diphosphate (6-HMDP).
Similarity
Belongs to the archaeal 6-HMPDK family.
Mass
27.581 kDa
Sequence
MDMKEWEIFYNKIMEDFGFDKDKDVESAVILNNILENANTIPVDKLKDIIEGREVFIFGAGPSIKKHINILKELREINYKNPIIVADGACKAFLEENIIPDIIVSDLDGDLEALFECNRKGSIIVVHAHGDNIEKIKKYVPKLKNVVGSCQIPNYKELNLRNVINFGGFTDGDRCCFLAYHFKAKKLILGGMDFGIYITKYSRPNIKEDIAIGDEIKIKKLEYAKTLINYLKDKIEIEFLK

Gene
mptE
Protein
6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase
Organism
Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)
Length
232 amino acids
Function
Catalyzes the transfer of diphosphate from ATP to 6-hydroxymethyl-7,8-dihydropterin (6-HMD), leading to 6-hydroxymethyl-7,8-dihydropterin diphosphate (6-HMDP).
Similarity
Belongs to the archaeal 6-HMPDK family.
Mass
25.95 kDa
Sequence
MEVQVWLRWYTRILDDFGFDRRADEESASYLDAFLREHGCLRVDDIDVPSSDFIVFGAGPSLRSHLKRFRALDEPMTVISADGATTALLEEDVLPDIIVTDLDGKMEDIIEANRQGAVVVVHAHGNNLPALRRYLPLLQNIIGTTQSIPHGCLHNFGGFTDGDRAVFLAAALGAGRIVLAGMDFGEVVTRYSRPDMDSELGPADPVKRLKLEYASRLIDWLERNGDVRIERW

Gene
mptE
Protein
6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase
Organism
Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)
Length
231 amino acids
Function
Catalyzes the transfer of diphosphate from ATP to 6-hydroxymethyl-7,8-dihydropterin (6-HMD), leading to 6-hydroxymethyl-7,8-dihydropterin diphosphate (6-HMDP). To a lesser extent, can also use CTP, UTP, and GTP as the nucleotide triphosphate substrate.
Similarity
Belongs to the archaeal 6-HMPDK family.
Mass
26.262 kDa
Sequence
MKWEEWKPFYERIVKEMGYSIEEDRRAAELLRDILMENDNYIIKEELNSIIMQKVYVFGAGPNLEEALKKGDFKDGTKIAADGATSALLEYGITPDVVVTDLDGRIRDLLEASRKAVMVVHAHGDNMDKLPLVVEFPLVLGTCQTEPLDIVYNFGGFTDGDRAAFLAEEMGAKEIVLVGFDFSGIVGKWSKPWLRDHTPAWESKMKKLKFARELLEWLKNNGRAKIIEFSI