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. 2011 Sep 29;6(9):e25647. doi: 10.1371/journal.pone.0025647

Table 2. Interactional residues of ligninolytic enzymes with lignin.

Enzyme-lignin complexa Hb Ph Ar HH AA
Lac-lignin ARG157, ARG161, ASN336, GLN499, GLU460, GLU496, GLY462, HIS55, PHE344, SER113 ALA80, ARG157, GLN499, GLU460, LEU112, LEU459, LEU58, PHE81, PRO346, SER113 PHE81, PHE344, PHE450 ARG157, GLN499, GLU460, LEU459, LEU58, PHE344, PRO346, THR345, TYR491 GLU460, SER113
LiP-lignin ALA180, ARG43, ASN182, GLU40, HIS176, HIS39, HIS47, ILE338, PRO145, PRO83 ALA175, ALA179, ALA180, ARG43, ASP183, GLU40, HIS176, HIS39, ILE235, ILE338, ILE42, ILE85, PHE193, PRO147, VAL181, VAL184, VAL90 PHE193 ALA179, ALA180, ALA36, ARG43, ASN182, HIS176, HIS39, ILE235, ILE338, ILE85, PRO147, PRO340, VAL184 GLU146
MnP-lignin ARG177, ARG42, ASP179, ASP241, ASP242, GLU143, GLU35, GLU39, HIS173, HIS38, HIS46, SER172, SER241 ALA176, ALA178, ARG42, ASP179, HIS46, ILE41, LEU176, LEU239, LYS180, PHE190, PHE45, PRO142, PRO144, VAL175, VAL181 HIS173, PHE190 ALA178, ALA79, ARG127, ARG42, GLU39, HIS173, HIS38, HIS46, ILE151, LEU170, LEU239, PHE45, PRO142, PRO144, VAL181 ARG177
a

Refers to the best docking complex.

LPC/CSU server was used to analyze ligand–protein contacts, including hydrogen bonding (Hb) contact, hydrophobic (Ph) contact, aromatic-aromatic (Ar) contact, hydrophilic-hydrophobic (HH) contact, and acceptor-acceptor (AA) contact.