Structure of PDB 4lt4 Chain A Binding Site BS01

Receptor Information

>4lt4 Chain A (length=246) Species: 3672 (Momordica balsamina)

DVSFRLSGADPSSYGMFIKDLRNALPHTEKVYNIPLLLPSVSGAGRYLLM
HLFNYDGNTITVAVDVTNVYIMGYLALTTSYFFNEPAADLASQYVFRSAR
RKITLPYSGNYERLQIAAGKPREKIPIGLPALDTAISTLLHYDSTAAAGA
LLVLIQTTAEAARFKYIEQQIQERAYRDEVPSSATISLENSWSGLSKQIQ
LAQGNNGVFRTPTVLVDSKGNRVQITNVTSNVVTSNIQLLLNTKNI

Ligand information

• Ligand ID: ARG
• InChI: InChI=1S/C6H14N4O2/c7-4(5(11)12)2-1-3-10-6(8)9/h4H,1-3,7H2,(H,11,12)(H4,8,9,10)/p+1/t4-/m0/s1
• InChIKey: ODKSFYDXXFIFQN-BYPYZUCNSA-O
• SMILES:
  OpenEye OEToolkits 1.5.0: C(CC(C(=O)O)N)CNC(=[NH2+])N
  CACTVS 3.341: N[C@@H](CCCNC(N)=[NH2+])C(O)=O
  OpenEye OEToolkits 1.5.0: C(C[C@@H](C(=O)O)N)CNC(=[NH2+])N
  CACTVS 3.341: N[CH](CCCNC(N)=[NH2+])C(O)=O
  ACDLabs 10.04: O=C(O)C(N)CCCN\C(=[NH2+])N
• Formula: C6 H15 N4 O2
• Name: ARGININE
• PDB chain: 4lt4 Chain A Residue 304

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4lt4 Crystal structure of arginine inhibited Ribosome inactivating protein from Momordica balsamina at 1.69 A resolution
• Resolution: 1.69 Å
• Binding residue (original residue number in PDB): V69 Y70 I71 E85 G109 I155 A159 R163
• Binding residue (residue number reindexed from 1): V69 Y70 I71 E85 G109 I155 A159 R163
• 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:4lt4, PDBe:4lt4, PDBj:4lt4
• PDBsum: 4lt4
• UniProt: D9J2T9