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2DHC

CRYSTALLOGRAPHIC ANALYSIS OF THE CATALYTIC MECHANISM OF HALOALKANE DEHALOGENASE

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004301molecular_functionepoxide hydrolase activity
A0009636biological_processresponse to toxic substance
A0016787molecular_functionhydrolase activity
A0018786molecular_functionhaloalkane dehalogenase activity
A0019260biological_process1,2-dichloroethane catabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE DCE A 600
ChainResidue
AGLU56
AASP124
ATRP125
APHE128
ATRP175
APRO223
AVAL226
ALEU262

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Nucleophile
ChainResidueDetails
AASP124

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton donor
ChainResidueDetails
AASP260

site_idSWS_FT_FI3
Number of Residues1
DetailsACT_SITE: Proton acceptor
ChainResidueDetails
AHIS289

site_idSWS_FT_FI4
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:10393294, ECO:0000269|PubMed:8515812
ChainResidueDetails
ATRP125

site_idSWS_FT_FI5
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:10393294, ECO:0000269|PubMed:8515812, ECO:0007744|PDB:2DHD, ECO:0007744|PDB:2DHE
ChainResidueDetails
ATRP175

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1b6g
ChainResidueDetails
AHIS289
AASP124
AASP260

site_idMCSA1
Number of Residues5
DetailsM-CSA 415
ChainResidueDetails
AASP124covalent catalysis
ATRP125electrostatic stabiliser
ATRP175electrostatic stabiliser
AASP260activator, electrostatic stabiliser
AHIS289proton shuttle (general acid/base)

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PDB entries from 2025-06-18

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