Structure of PDB 1obd Chain A

Receptor sequence
>1obdA (length=298) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
SITKTELDGILPLVARGKVRDIYEVDAGTLLFVATDRISAYDVIMENSIP
EKGILLTKLSEFWFKFLSNDVRNHLVDIAPGKTIFDYLPAKLSEPKYKTQ
LEDRSLLVHKHKLIPLEVIVRGYITGSAWKEYVKTGTVHGLKQPQGLKES
QEFPEPIFTPSTKADENISPAQAAELVGEDLSRRVAELAVKLYSKCKDYA
KEKGIIIADTKFEFGIDEKTNEIILVDEVLTPDSSRFWNGASYKVGESQD
SYDKQFLRDWLTANKLNGVNGVKMPQDIVDRTRAKYIEAYETLTGSKW
3D structure
PDB1obd The Structure of Saicar Synthase: An Enzyme in the De Novo Pathway of Purine Nucleotide Biosynthesis
ChainA
Resolution1.4 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 6.3.2.6: phosphoribosylaminoimidazolesuccinocarboxamide 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 ATP A G18 K19 R21 I23 F33 H75 L114 E219 V232 D233 G17 K18 R20 I22 F32 H74 L113 E213 V226 D227
BS02 MG A S61 E234 S60 E228
BS03 AMP A E62 I79 L107 L108 E61 I78 L106 L107
Gene Ontology
Molecular Function
GO:0004639 phosphoribosylaminoimidazolesuccinocarboxamide synthase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016874 ligase activity
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1obd, PDBe:1obd, PDBj:1obd
PDBsum1obd
PubMed
UniProtP27616|PUR7_YEAST Phosphoribosylaminoimidazole-succinocarboxamide synthase (Gene Name=ADE1)

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