※ dbPPT Protein Information

TagContent
UniProt Accession
Theoretical PI
5.88 
Molecular Weight
39612.22 
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
Methylthioribose-1-phosphate isomerase; M1Pi; MTR-1-P isomerase; S-methyl-5-thioribose-1-phosphate isomerase; Translation initiation factor eIF-2B subunit alpha/beta/delta-like protein 
Gene Name
At2g05830; T6P5.3 
Created Date
2010-11-30 
Organism
Arabidopsis thaliana(Mouse-ear cress) 
NCBI Taxa ID
3702 
Phosphorylation Sites
Position
Peptide
Source
References
306
EIVIEERSPKELMHT
dbPPT, P3DB, PhosPhAt
[1, 2, 3]
Functional Description
Catalyzes the interconversion of methylthioribose-1-phosphate (MTR-1-P) into methylthioribulose-1-phosphate (MTRu-1-P) (By similarity). 
Sequence Annotation
initiator methionine 1 Removed
chain 2 374 Methylthioribose-1-phosphate isomerase
active site 253 Proton donor
site 173 Transition state stabilizer
modified residue 2 N-acetylserine
splice variant 1 48 In isoform 2.
Keyword
Acetylation,Alternative splicing,Amino-acid biosynthesis,Complete proteome,Cytoplasm,Isomerase,Methionine biosynthesis,Nucleus,Reference proteome 
Sequence Source
UniProt 
Protein Sequence
MSGEGDTTLK AICYKPGSLQ LLDQRKLPLE TIYLEIRDAS DGWSAIQEMV VRGAPAIAIA 60
AALSLAVEVF NFHGFDGSAS DAVAFLENKL DYLVSSRPTA VNLADAALKL KHVIAKALAT 120
ATEAKSIFKA YIEASEDMLE DDVVSNKAIG NFGLSLLRQQ AKNPDKLSVL THCNTGSLAT 180
AGYGTALGVI RALHTQGILE RAYCTETRPF NQGSRLTAFE LVHEKIPATL IADSAAAALM 240
KDGRVDGVIV GADRVASNGD TANKIGTYSL ALCAKHHGIP FYVAAPLTSV DLSLSSGKEI 300
VIEERSPKEL MHTHGGLGER IAAPGISVWN PAFDMTPAEL IAGIITEKGV ITKNGNDTFD 360
ISSFAKKITG NSSR 374 
Gene Ontology
GO:0005737; C: cytoplasm; IBA: RefGenome
GO:0005634; C: nucleus; IBA: RefGenome
GO:0009506; C: plasmodesma; IDA: TAIR
GO:0046523; F: S-methyl-5-thioribose-1-phosphate isomerase activity; IBA: RefGenome
GO:0071369; P: cellular response to ethylene stimulus; IEP: TAIR
GO:0071281; P: cellular response to iron ion; IEP: TAIR
GO:0071732; P: cellular response to nitric oxide; IEP: TAIR
GO:0019284; P: L-methionine biosynthetic process from S-adenosylmethionine; IEA: UniProtKB-HAMAP
GO:0019509; P: L-methionine salvage from methylthioadenosine; IBA: RefGenome 
Interpro
InterPro; IPR000649; IF-2B-related
InterPro; IPR005251; IF-M1Pi
InterPro; IPR011559; Initiation_fac_2B_a/b/d
InterPro; IPR027363; M1Pi_N
Pfam
Pfam; PF01008; IF-2B 
SMART
 
PROSITE
 
PRINTS