Structure of PDB 4hoa Chain A Binding Site BS02

Receptor Information

>4hoa Chain A (length=246) Species: 3672 (Momordica balsamina)

DVSFRLSGADPSSYGMFIKDLRNALPHTEKVYNIPLLLPSVSGAGRYLLM
HLFNYDGNTITVAVDVTNVYIMGYLALTTSYFFNEPAADLASQYVFRSAR
RKITLPYSGNYERLQIAAGKPREKIPIGLPALDTAISTLLHYDSTAAAGA
LLVLIQTTAEAARFKYIEQQIQERAYRDEVPSSATISLENSWSGLSKQIQ
LAQGNNGVFRTPTVLVDSKGNRVQITNVTSNVVTSNIQLLLNTKNI

Ligand information

• Ligand ID: GAL
• InChI: InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3+,4+,5-,6-/m1/s1
• InChIKey: WQZGKKKJIJFFOK-FPRJBGLDSA-N
• SMILES:
  CACTVS 3.370: OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@H]1O
  OpenEye OEToolkits 1.7.2: C(C1C(C(C(C(O1)O)O)O)O)O
  CACTVS 3.370: OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
  ACDLabs 12.01: OC1C(O)C(OC(O)C1O)CO
  OpenEye OEToolkits 1.7.2: C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)O
• Formula: C6 H12 O6
• Name: beta-D-galactopyranose;
  beta-D-galactose;
  D-galactose;
  galactose
• ChEMBL: CHEMBL300520
• ZINC: ZINC000002597049
• PDB chain: 4hoa Chain C Residue 2

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4hoa Crystal structure of the complex of type 1 ribosome inactivating protein from Momordica Balsamina with B-D-galactopyranosyl-(1-4)-D-glucose at 2.0 A resolution
• Resolution: 2.0 Å
• Binding residue (original residue number in PDB): Y70 G109 N110 Y111
• Binding residue (residue number reindexed from 1): Y70 G109 N110 Y111
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): I71 E160 R163
• Catalytic site (residue number reindexed from 1): I71 E160 R163
• Enzyme Commision number: 3.2.2.22: rRNA N-glycosylase.

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0016787 hydrolase activity
• GO:0030598 rRNA N-glycosylase activity
• GO:0090729 toxin activity

Biological Process

• GO:0017148 negative regulation of translation
• GO:0035821 modulation of process of another organism

External links

• PDB: RCSB:4hoa, PDBe:4hoa, PDBj:4hoa
• PDBsum: 4hoa
• UniProt: D9J2T9