Structure of PDB 5ejm Chain A

Receptor sequence
>5ejmA (length=556) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
MSVSAFNRRWAAVILEALTRHGVRHICIAPGSRSTPLTLAAAENSAFIHH
THFDERGLGHLALGLAKVSKQPVAVIVTSGTAVANLYPALIEAGLTGEKL
ILLTADRPPELIDCGANQAIRQPGMFASHPTHSISLPRPTQDIPARWLVS
TIDHALGTLHAGGVHINCPFAEPLYGEMDDTGLSWQQRLGDWWQDDKPWL
REAPRLESEKQRDWFFWRQKRGVVVAGRMSAEEGKKVALWAQTLGWPLIG
DVLSQTGQPLPCADLWLGNAKATSELQQAQIVVQLGSSLTGKRLLQWQAS
CEPEEYWIVDDIEGRLDPAHHRGRRLIANIADWLELHPAEKRQPWCVEIP
RLAEQAMQAVIARRDAFGEAQLAHRICDYLPEQGQLFVGNSLVVRLIDAL
SQLPAGYPVYSNAGASGIDGLLSTAAGVQRASGKPTLAIVGDLSALYDLN
ALALLRQVSAPLVLIVVNNNGGQIFSLLPTPQSERERFYLMPQNVHFEHA
AAMFELKYHRPQNWQELETAFADAWRTPTTTVIEMVVNDTDGAQTLQQLL
AQVSHL
3D structure
PDB5ejm Two active site arginines are critical determinants of substrate binding and catalysis in MenD, a thiamine-dependent enzyme in menaquinone biosynthesis.
ChainA
Resolution1.72 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.2.1.9: 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid 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 TD5 A S391 L392 I418 D419 G441 D442 L443 S444 Y447 N469 G471 G472 Q473 I474 S391 L392 I418 D419 G441 D442 L443 S444 Y447 N469 G471 G472 Q473 I474
BS02 MN A D442 N469 G471 D442 N469 G471
BS03 TD5 A P30 G31 S32 R33 E55 T78 Q118 P30 G31 S32 R33 E55 T78 Q118
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0016740 transferase activity
GO:0030145 manganese ion binding
GO:0030976 thiamine pyrophosphate binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0070204 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase activity
Biological Process
GO:0009234 menaquinone biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:5ejm, PDBe:5ejm, PDBj:5ejm
PDBsum5ejm
PubMed30341164
UniProtP17109|MEND_ECOLI 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase (Gene Name=menD)

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