Structure of PDB 6pac Chain B

Receptor sequence
>6pacB (length=318) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
HHHHLPNITILATGGTIAGGKVGVENLVNAVPQLKDIANVKGEQVVNIGS
QDMNDNVWLTLAKKINTDCDKTDGFVITHGTDTMEETAYFLDLTVKCDKP
VVMVGAMRPSTSMSADGPFNLYNAVVTAADKASANRGVLVVMNDTVLDGR
DVTKTNTTDVATFKSVNYGPLGYIHNGKIDYQRTPARKHTSDTPFDVSKL
NELPKVGIVYNYANASDLPAKALVDAGYDGIVSAGVGNGNLYKSVFDTLA
TAAKTGTAVVRSSRVPTGATTQDAEVDDAKYGFVASGTLNPQKARVLLQL
ALTQTKDPQQIQQIFNQY
3D structure
PDB6pac Geometric considerations support the double-displacement catalytic mechanism of l-asparaginase.
ChainB
Resolution1.6 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T12 T89 D90 K162 E283
Catalytic site (residue number reindexed from 1) T16 T81 D82 K154 E275
Enzyme Commision number 3.5.1.1: asparaginase.
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 ASP B T12 G57 S58 Q59 G88 T89 D90 T16 G49 S50 Q51 G80 T81 D82
Gene Ontology
Molecular Function
GO:0004067 asparaginase activity
GO:0016787 hydrolase activity
GO:0042802 identical protein binding
Biological Process
GO:0006520 amino acid metabolic process
GO:0006528 asparagine metabolic process
GO:0006530 asparagine catabolic process
GO:0051289 protein homotetramerization
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0032991 protein-containing complex
GO:0042597 periplasmic space

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:6pac, PDBe:6pac, PDBj:6pac
PDBsum6pac
PubMed31423681
UniProtP00805|ASPG2_ECOLI L-asparaginase 2 (Gene Name=ansB)

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