Structure of PDB 7bgn Chain C

Receptor sequence
>7bgnC (length=204) Species: 3880 (Medicago truncatula) [Search protein sequence]
NAVDSLLDSVKWDNKGLAVAIAQNVDTGAILMQGFANREAVATTISSRKA
TFYSRSRSSLWTKGETSNNFINVHDVFLDCDRDSIIYLGKPDGPTCHTGA
ETCYYTPVFDLLNKLALTSLYALESTISQRKAEVSWTKRLLLNDKLLCSK
IREEANELCETLENNEDKSRTASEMADVLYHAMVLLALKDVKVEEVLQVL
RQRF
3D structure
PDB7bgn Structural and mechanistic insights into the bifunctional HISN2 enzyme catalyzing the second and third steps of histidine biosynthesis in plants.
ChainC
Resolution2.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.-.-.-
3.5.4.19: phosphoribosyl-AMP cyclohydrolase.
3.6.1.31: phosphoribosyl-ATP diphosphatase.
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 ZN C D125 D127 D129 D79 D81 D83
BS02 ZN C E214 E234 D237 E154 E174 D177
BS03 AMP C R183 S195 W196 T197 Y240 R130 S135 W136 T137 Y180
BS04 AMP C M78 W107 K109 G110 T112 S113 T141 H143 M32 W61 K63 G64 T66 S67 T95 H97
BS05 ZN C C142 C149 C96 C103
BS06 AMP C R263 F264 R203 F204
Gene Ontology
Molecular Function
GO:0004635 phosphoribosyl-AMP cyclohydrolase activity
GO:0004636 phosphoribosyl-ATP diphosphatase activity
Biological Process
GO:0000105 L-histidine biosynthetic process

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:7bgn, PDBe:7bgn, PDBj:7bgn
PDBsum7bgn
PubMed33958623
UniProtA0A072U2X9

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