Structure of PDB 6pa9 Chain B

Receptor sequence
>6pa9B (length=312) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
HLPNITILATGGVIAVGVENLVNAVPQLKDIANVKGEQVVNIGSQDMNDN
VWLTLAKKINTDCDKTDGFVITHGTDTMEETAYFLDLTVKCDKPVVMVGA
MRPSTSMSADGPFNLYNAVVTAADKASANRGVLVVMNDTVLDGRDVTKTN
TTDVATFKSVNYGPLGYIHNGKIDYQRTPARKHTSDTPFDVSKLNELPKV
GIVYNYANASDLPAKALVDAGYDGIVSAGVGNGNLYKSVFDTLATAAKTG
TAVVRSSRVPTGATTQDAEVDDAKYGFVASGTLNPQKARVLLQLALTQTK
DPQQIQQIFNQY
3D structure
PDB6pa9 Geometric considerations support the double-displacement catalytic mechanism of l-asparaginase.
ChainB
Resolution1.88 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) V12 T89 D90 K162 E283
Catalytic site (residue number reindexed from 1) V13 T75 D76 K148 E269
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 ASN B V12 S58 Q59 G88 T89 D90 A114 V13 S44 Q45 G74 T75 D76 A100
Gene Ontology
Molecular Function
GO:0004067 asparaginase activity
GO:0016787 hydrolase activity
GO:0042802 identical protein binding
Biological 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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Cellular Component
External links
PDB RCSB:6pa9, PDBe:6pa9, PDBj:6pa9
PDBsum6pa9
PubMed31423681
UniProtP00805|ASPG2_ECOLI L-asparaginase 2 (Gene Name=ansB)

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