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Crystal structure of pectin methylesterase in complex with hexasaccharide V

Source organism: Dickeya dadantii 3937
Biochemical function: aspartyl esterase activity
Biological process: cell wall organization
Cellular component: cell outer membrane

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EC 3.1.1.11: Pectinesterase

Reaction catalysed:
Pectin + n H(2)O = n methanol + pectate
Systematic name:
Pectin pectylhydrolase
Alternative Name(s):
  • Pectase
  • Pectin demethoxylase
  • Pectin methoxylase
  • Pectin methyl esterase
  • Pectin methylesterase
  • Pectinoesterase

GO terms

Sequence family

Pfam Protein family (Pfam)
PF01095
Domain description: Pectinesterase
Occurring in:
  1. Pectinesterase A
The deposited structure of PDB entry 2ntb contains 2 copies of Pfam domain PF01095 (Pectinesterase) in Pectinesterase A. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR033131
Domain description: Pectinesterase, Asp active site
Occurring in:
  1. Pectinesterase A
IPR000070
Domain description: Pectinesterase, catalytic
Occurring in:
  1. Pectinesterase A
IPR012334
Domain description: Pectin lyase fold
Occurring in:
  1. Pectinesterase A
IPR011050
Domain description: Pectin lyase fold/virulence factor
Occurring in:
  1. Pectinesterase A

Structure domain

CATH CATH domain
2.160.20.10
Class: Mainly Beta
Architecture: 3 Solenoid
Topology: Pectate Lyase C-like
Homology: Single-stranded right-handed beta-helix, Pectin lyase-like
Occurring in:
  1. Pectinesterase A
The deposited structure of PDB entry 2ntb contains 2 copies of CATH domain 2.160.20.10 (Pectate Lyase C-like) in Pectinesterase A. Showing 1 copy in chain A.

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