| IED ID | IndEnz0001000848 |
| Enzyme Type ID | amylase000848 |
| Protein Name |
Alpha-1,4-glucan:maltose-1-phosphate maltosyltransferase GMPMT EC 2.4.99.16 1- 4 -alpha-D-glucan:maltose-1-phosphate alpha-D-maltosyltransferase |
| Gene Name | glgE RHOS4_10380 RSP_2445 |
| Organism | Cereibacter sphaeroides (strain ATCC 17023 / DSM 158 / JCM 6121 / CCUG 31486 / LMG 2827 / NBRC 12203 / NCIMB 8253 / ATH 2.4.1.) (Rhodobacter sphaeroides) |
| Taxonomic Lineage | cellular organisms Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Cereibacter Cereibacter sphaeroides (Rhodobacter sphaeroides) Cereibacter sphaeroides (strain ATCC 17023 / DSM 158 / JCM 6121 / CCUG 31486 / LMG 2827 / NBRC 12203 / NCIMB 8253 / ATH 2.4.1.) (Rhodobacter sphaeroides) |
| Enzyme Sequence | MAAATGAQDRRDGGEEALMRLADARVAIEGVNLEIDGGRFAAKVVAGWEVAVEADIFCDGHDSIDAAVLHRQRGTDDWIEVRMEFLVNDRWQAHVTFAENAFHELTFLAWRDLYTTWRKEVAKKLAAGQKIDLELEEGRRLLQSVETAGAEDRALVDRILGEDGADQEAGARFARMSSPEAVAAMKRCAPRTNLTCYKILPIFADREAAAFSAWYEMMPRSQSDDPERHGTFDDVIRKLPYVRDLGFDVLYFTPIHPIGRVNRKGRNNSLTPAPDDPGSPYAIGSEEGGHDAIHPELGDFESFGRLVEAAHAHGLEIALDFAIQCAPDHPWIREHPEWFDWRPDGTIKFAENPPKKYEDIVNVHFYRGALPELWYALRDVVLFWVEKGVKIFRVDNPHTKPFPFWEWMIGEVQSQHPDVIFLAEAFTRPKVMKRLGKVGYGQSYSYFTWRNTKAELIDYLTELTTEECRHYMRPNFFANTPDINPVYLQHSGRAGFRVRLALAATLGGNYGLYNGYEICEATPVPGKEEYFNSEKYQLRAWDFDQPGHIQDDIRLMNHIRRTHPAMRDFTRLRFYDAHNDSVLAYGKSTEDKQDFLLFHVNLDPHAAQTFEFEVPLWEFGLPDDASVEVEDLLNGNRFTWHGKWQWLELDPQTRPYAVWRLYAPGMPR |
| Enzyme Length | 668 |
| Uniprot Accession Number | Q3J3M8 |
| Absorption | |
| Active Site | ACT_SITE 395; /note=Nucleophile; /evidence=ECO:0000255|HAMAP-Rule:MF_02124; ACT_SITE 424; /note=Proton donor; /evidence=ECO:0000255|HAMAP-Rule:MF_02124 |
| Activity Regulation | |
| Binding Site | BINDING 264; /note=Maltose 1-phosphate; /evidence=ECO:0000255|HAMAP-Rule:MF_02124; BINDING 324; /note=Maltose 1-phosphate; /evidence=ECO:0000255|HAMAP-Rule:MF_02124; BINDING 359; /note=Maltose 1-phosphate; /evidence=ECO:0000255|HAMAP-Rule:MF_02124; BINDING 396; /note=Maltose 1-phosphate; /evidence=ECO:0000255|HAMAP-Rule:MF_02124 |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=[(1->4)-alpha-D-glucosyl](n) + alpha-maltose 1-phosphate = [(1->4)-alpha-D-glucosyl](n+2) + phosphate; Xref=Rhea:RHEA:42692, Rhea:RHEA-COMP:9584, Rhea:RHEA-COMP:10183, ChEBI:CHEBI:15444, ChEBI:CHEBI:43474, ChEBI:CHEBI:63576; EC=2.4.99.16; Evidence={ECO:0000255|HAMAP-Rule:MF_02124}; |
| DNA Binding | |
| EC Number | 2.4.99.16 |
| Enzyme Function | FUNCTION: Maltosyltransferase that uses maltose 1-phosphate (M1P) as the sugar donor to elongate linear or branched alpha-(1->4)-glucans. Is involved in a branched alpha-glucan biosynthetic pathway from trehalose, together with TreS, Mak and GlgB. {ECO:0000255|HAMAP-Rule:MF_02124}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (2); Binding site (4); Chain (1); Region (2); Site (1) |
| Keywords | Carbohydrate metabolism;Glycosyltransferase;Reference proteome;Transferase |
| Interact With | |
| Induction | |
| Subcellular Location | |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | - |
| Motif | |
| Gene Encoded By | |
| Mass | 76,701 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | RHEA:42692 |
| Cross Reference Brenda |