Structure of PDB 4hhl Chain B Binding Site BS01

Receptor Information

>4hhl Chain B (length=385) Species: 253732 (Streptomyces sp. SK)

YQPTPEDRFTFGLWTVGWQGRDPFGDATRPALDPVEAVQRLAELGAYGVT
FHDDDLIPFGASDTEREAHVKRFRQALDATGMTVPMATTNLFTHPVFKDG
AFTANDRDVRRYALRKTIRNIDLAVELGAKVYVAWGGREGAESGAAKDVR
AALDRMKEAFDLLGEYVTSQGYDIRFAIEPKPNEPRGDILLPTIGHALAF
IERLERPELYGVNPEVGHEQMAGLNFPHGIAQALWAGKLFHIDLNGQSGI
KYDQDLRFGAGDLRAAFWLVDLLESAGWEGPRHFDFKPPRTEDIDGVWAS
AAGCMRNYLILKERAAAFRADPEVQEALRAARLDQLAEPTAADGLQALLA
DRTAYEDFDVDAAAARGMAFERLDQLAMDHLLGAR

Ligand information

• Ligand ID: CO
• InChI: InChI=1S/Co/q+2
• InChIKey: XLJKHNWPARRRJB-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Co+2]
  CACTVS 3.341: [Co++]
• Formula: Co
• Name: COBALT (II) ION
• DrugBank: DB14205
• PDB chain: 4hhl Chain B Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4hhl Identification of critical residues for the activity and thermostability of Streptomyces sp. SK glucose isomerase.
• Resolution: 1.73 Å
• Binding residue (original residue number in PDB): E217 H220 D255 D257
• Binding residue (residue number reindexed from 1): E215 H218 D253 D255
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): H54 D57 M88 E181 K183 E217 H220 D245 D255 D257 D287
• Catalytic site (residue number reindexed from 1): H52 D55 M86 E179 K181 E215 H218 D243 D253 D255 D285
• Enzyme Commision number: 5.3.1.5: xylose isomerase.

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0009045 xylose isomerase activity
• GO:0016853 isomerase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0005975 carbohydrate metabolic process
• GO:0042732 D-xylose metabolic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:4hhl, PDBe:4hhl, PDBj:4hhl
• PDBsum: 4hhl
• PubMed: 23463249
• UniProt: Q9ZAI3