Structure of PDB 6x1q Chain B Binding Site BS02

Receptor Information
>6x1q Chain B (length=1014) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MITDSLAVVLQRRDWENPGVTQLNRLAAHPPFASWRNSEEARTDRPSQQL
RSLNGEWRFAWFPAPEAVPESWLECDLPEADTVVVPSNWQMHGYDAPIYT
NVTYPITVNPPFVPTENPTGCYSLTFNVDESWLQEGQTRIIFDGVNSAFH
LWCNGRWVGYGQDSRLPSEFDLSAFLRAGENRLAVMVLRWSDGSYLEDQD
MWRMSGIFRDVSLLHKPTTQISDFHVATRFNDDFSRAVLEAEVQMCGELR
DYLRVTVSLWQGETQVASGTAPFGGEIIDERGGYADRVTLRLNVENPKLW
SAEIPNLYRAVVELHTADGTLIEAEACDVGFRVVRIENGLLLLNGKPLLI
RGVNRHEHHPLHGQVMDEQTMVQDILLMKQNNFNAVRCSHYPNHPLWYTL
CDRYGLYVVDEANIETHGMVPMNRLTDDPRWLPAMSERVTRMVQRDRNHP
SVIIWSLGNESGHGANHDALYRWIKSVDPSRPVQYEGGGADTTATDIICP
MYARVDEDQPFPAVPKWSIKKWLSLPGETRPLILCEYAHAMGNSLGGFAK
YWQAFRQYPRLQGGFVWDWVDQSLIKYDENGNPWSAYGGDFGDTPNDRQF
CMNGLVFADRTPHPALTEAKHQQQFFQFRLSGQTIEVTSEYLFRHSDNEL
LHWMVALDGKPLASGEVPLDVAPQGKQLIELPELPQPESAGQLWLTVRVV
QPNATAWSEAGHISAWQQWRLAENLSVAIPHLTTSEMDFCIELGNKRWQF
NRQSGFLSQMWIGDKKQLLTPLRDQFTRAPLDNDIGVSEATRIDPNAWVE
RWKAAGHYQAEAALLQCTADTLADAVLITTAHAWQHQGKTLFISRKTYRI
DGSGQMAITVDVVVASDTPHPARIGLNCQLAQVAERVNWLGLGPQENYPD
RLTAACFDRWDLPLSDMYTPYVFPSENGLRCGTRELNYGPHQWRGDFQFN
ISRYSQQQLMETSHRHLLHAEEGTWLNIDGFHMGIGGDDSWSPSVSAEFQ
LSAGRYHYQLVWCQ
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain6x1q Chain B Residue 1102 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB6x1q 1.8 angstrom resolution structure of beta-galactosidase with a 200 kV CRYO ARM electron microscope.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		D15 N18 V21 Q163 D193
Binding residue
(residue number reindexed from 1)		D14 N17 V20 Q162 D192
Annotation score4
Enzymatic activity
Enzyme Commision number 3.2.1.23: beta-galactosidase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004565 beta-galactosidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0030246 carbohydrate binding
GO:0031420 alkali metal ion binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0005990 lactose catabolic process
GO:0009056 catabolic process
Cellular Component
GO:0009341 beta-galactosidase complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6x1q, PDBe:6x1q, PDBj:6x1q
PDBsum6x1q
PubMed32695410
UniProtP00722|BGAL_ECOLI Beta-galactosidase (Gene Name=lacZ)

[Back to BioLiP]