Structure of PDB 3nue Chain B

Receptor sequence

>3nueB (length=443) Species: 1773 (Mycobacterium tuberculosis)

GAMNWTVDIPIDQLPSLPPLPTDLRTRLDAALAKPAAQQPTWPADQALAM
RTVLESVPPVTVPSEIVRLQEQLAQVAKGEAFLLQGGDCAETFMDNTEPH
IRGNVRALLQMAVVLTYGASMPVVKVARIAGQYAKPRSADIDALGLRSYR
GDMINGFAPDAAAREHDPSRLVRAYANASAAMNLVRALTSSGLASLHLVH
DWNREFVRTSPAGARYEALATEIDRGLRFMSACGVADRNLQTAEIYASHE
ALVLDYERAMLRLSDGDDGEPQLFDLSAHTVWIGERTRQIDGAHIAFAQV
IANPVGVKLGPNMTPELAVEYVERLDPHNKPGRLTLVSRMGNHKVRDLLP
PIVEKVQATGHQVIWQCDPMHGNFKTRHFDRIVDEVQGFFEVHRALGTHP
GGIHVEITGENVTLAGRYEACDPRLNTQQSLELAFLVAEMLRD

3D structure

• PDB: 3nue Synergistic allostery, a sophisticated regulatory network for the control of aromatic amino acid biosynthesis in Mycobacterium tuberculosis
• Chain: B
• Resolution: 2.5 Å

Enzymatic activity

• Enzyme Commision number: 2.5.1.54: 3-deoxy-7-phosphoheptulonate synthase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	PO4	B	G282 E283 K306 R337 H369	G284 E285 K308 R339 H371
BS02	MN	B	H369 E411 D441	H371 E406 D422
BS03	TRP	B	K123 A192 L194 N237 L238 T240	K125 A194 L196 N239 L240 T242

Gene Ontology

Molecular Function

• GO:0003849 3-deoxy-7-phosphoheptulonate synthase activity
• GO:0005515 protein binding
• GO:0016740 transferase activity
• GO:0030145 manganese ion binding
• GO:0046872 metal ion binding

Biological Process

• GO:0008652 amino acid biosynthetic process
• GO:0009073 aromatic amino acid family biosynthetic process
• GO:0009423 chorismate biosynthetic process
• GO:0051260 protein homooligomerization

Cellular Component

• GO:0005829 cytosol
• GO:0005886 plasma membrane
• GO:0009274 peptidoglycan-based cell wall

External links

• PDB: RCSB:3nue, PDBe:3nue, PDBj:3nue
• PDBsum: 3nue
• PubMed: 20667835
• UniProt: O53512|AROG_MYCTU Phospho-2-dehydro-3-deoxyheptonate aldolase AroG (Gene Name=aroG)