Structure of PDB 4s3r Chain A

Receptor sequence
>4s3rA (length=680) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
ESKRLDNAALAAGISPNYINAHGKPQSISAETKRRLLDAMHTPVPNVMVY
TSGKKMPMVVEGSGEYSWLLTTEEGTQYKGHVTGGKAFNLPTKLPEGYHT
LTLTQDDQRAHCRVIVAPKRCYEPQALLNKQKLWGACVQLYTLRSEKNWG
IGDFGDLKAMLVDVAKRGGSFIGLNPIHALYPANPESASPYSPSSRRWLN
VIYIDVNAVEDFHLSEEAQAWWQLPTTQQTLQQARDADWVDYSTVTALKM
TALRMAWKGFAQRDDEQMAAFRQFVAEQGDSLFWQAAFDALHAQQVKEDE
MRWGWPAWPEMYQNVDSPEVRQFCEEHRDDVDFYLWLQWLAYSQFAACWE
ISQGYEMPIGLYRDLAVGVAEGGAETWCDRELYCLKASVGAPPDILGPLG
QNWGLPPMDPHIITARAYEPFIELLRANMQNCGALRIDHVMSMLRLWWIP
YGETADQGAYVHYPVDDLLSILALESKRHRCMVIGEDLGTVPVEIVGKLR
SSGVYSYKVLYFENDHEKTFRAPKAYPEQSMAVAATHDLPTLRGYWECGD
LTLGKTLGLYPDEVVLRGLYQDRELAKQGLLDALHKYGCLPKRAGHKASL
MSMTPTLNRGLQRYIADSNSALLGLQPEDWLDMAEPVNIPGTSYQYKNWR
RKLSATLESMFADDGVNKLLKDLDRRRRSA
3D structure
PDB4s3r Structural Basis for the Interconversion of Maltodextrins by MalQ, the Amylomaltase of Escherichia coli.
ChainA
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D448 E496 D548
Catalytic site (residue number reindexed from 1) D438 E486 D538
Enzyme Commision number 2.4.1.25: 4-alpha-glucanotransferase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 7SA A S199 Y201 S202 D404 L406 Q411 N412 W413 G414 D448 H449 E496 L498 G499 F522 H547 D548 N648 P650 G651 T652 S189 Y191 S192 D394 L396 Q401 N402 W403 G404 D438 H439 E486 L488 G489 F512 H537 D538 N638 P640 G641 T642
Gene Ontology
Molecular Function
GO:0004134 4-alpha-glucanotransferase activity
GO:0016757 glycosyltransferase activity
Biological Process
GO:0000025 maltose catabolic process
GO:0005975 carbohydrate metabolic process
GO:0005978 glycogen biosynthetic process
GO:0005980 glycogen catabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4s3r, PDBe:4s3r, PDBj:4s3r
PDBsum4s3r
PubMed26139606
UniProtP15977|MALQ_ECOLI 4-alpha-glucanotransferase (Gene Name=malQ)

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