Structure of PDB 6czm Chain D Binding Site BS03

Receptor Information

>6czm Chain D (length=335) Species: 3880 (Medicago truncatula)

SRQEIRLGLPSKGRMSSDTLDLLKDCQLSVKQVNPVAQIPQISNLEVWFQ
RPKDIVRKLLSGDLDLGIVGLDVLTEFGQGNEDLIVVHEALEYGDCRLSI
AIPQYGIFENVNSLEELAKMPQWTEDKPLRVATGFTYLGPKFMKDNGIKH
VAFSTADGALEAAPAMGIADAILDLVSSGTTLKENNLKEIEGGTVLESQA
ALVASRRSMIGRKGVLETTHEMLERLEAHLRAMGQFTVVANMRGSSAEEV
AERVLSQPSLAGLQGPTVSPVFCKRDGKVSADYYAIVICVPKKALYKSIQ
QLRAIGGSGVLVSPLTYIFDEETPRWRQLLSKLGL

Ligand information

• Ligand ID: HIS
• InChI: InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/p+1/t5-/m0/s1
• InChIKey: HNDVDQJCIGZPNO-YFKPBYRVSA-O
• SMILES:
  OpenEye OEToolkits 1.5.0: c1c([nH+]c[nH]1)CC(C(=O)O)N
  CACTVS 3.341: N[CH](Cc1c[nH]c[nH+]1)C(O)=O
  CACTVS 3.341: N[C@@H](Cc1c[nH]c[nH+]1)C(O)=O
  ACDLabs 10.04: O=C(O)C(N)Cc1cnc[nH+]1
  OpenEye OEToolkits 1.5.0: c1c([nH+]c[nH]1)C[C@@H](C(=O)O)N
• Formula: C6 H10 N3 O2
• Name: HISTIDINE
• PDB chain: 6czm Chain E Residue 402

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6czm Guarding the gateway to histidine biosynthesis in plants:Medicago truncatulaATP-phosphoribosyltransferase in relaxed and tense states.
• Resolution: 2.88 Å
• Binding residue (original residue number in PDB): V277 N279 G347 L349
• Binding residue (residue number reindexed from 1): V239 N241 G309 L311
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.4.2.17: ATP phosphoribosyltransferase.

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0000287 magnesium ion binding
• GO:0003879 ATP phosphoribosyltransferase activity
• GO:0016757 glycosyltransferase activity

Biological Process

• GO:0000105 L-histidine biosynthetic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:6czm, PDBe:6czm, PDBj:6czm
• PDBsum: 6czm
• PubMed: 30072492
• UniProt: G7JFL4