Structure of PDB 1rbz Chain B

Receptor sequence
>1rbzB (length=200) Species: 9606 (Homo sapiens) [Search protein sequence]
ARVAVLISGTGSNLQALIDSTREPNSSAQIDIVISNKAAVAGLDKAERAG
IPTRVINHKLYKNRVEFDSAIDLVLEEFSIDIVCLAGFMRILSGPFVQKW
NGKMLNIHPSLLPSFKGSNAHEQALETGVTVTGCTVHFVAEDVDAGQIIL
QEAVPVKRGDTVATLSERVKLAEHKIFPAALQLVASGTVQLGENGKICWV
3D structure
PDB1rbz Human GAR Tfase complex structure
ChainB
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) N106 H108 T135 D144
Catalytic site (residue number reindexed from 1) N106 H108 T135 D144
Enzyme Commision number 2.1.2.2: phosphoribosylglycinamide formyltransferase 1.
6.3.3.1: phosphoribosylformylglycinamidine cyclo-ligase.
6.3.4.13: phosphoribosylamine--glycine ligase.
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 KT5 B R64 M89 R90 I91 L92 N106 H108 G117 S118 V139 A140 E141 V143 D144 R64 M89 R90 I91 L92 N106 H108 G117 S118 V139 A140 E141 V143 D144 MOAD: Ki=4nM
Gene Ontology
Molecular Function
GO:0004644 phosphoribosylglycinamide formyltransferase activity
Biological Process
GO:0006189 'de novo' IMP biosynthetic process
GO:0009058 biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:1rbz, PDBe:1rbz, PDBj:1rbz
PDBsum1rbz
PubMed
UniProtP22102|PUR2_HUMAN Trifunctional purine biosynthetic protein adenosine-3 (Gene Name=GART)

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