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4RNX

K154 Circular Permutation of Old Yellow Enzyme

Functional Information from GO Data
ChainGOidnamespacecontents
A0010181molecular_functionFMN binding
A0016491molecular_functionoxidoreductase activity
B0010181molecular_functionFMN binding
B0016491molecular_functionoxidoreductase activity
Functional Information from PDB Data
site_idAC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE FMN A 501
ChainResidue
AHIS40
APRO283
ALEU284
ATHR285
AGLY320
AGLN362
AHOH623
AHOH704
AHOH795
AHOH950
AHOH957
AASN43
AARG92
AGLY173
AASN174
AGLY196
AARG197
APHE223
APRO282

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO A 502
ChainResidue
AASN28
AGLU339

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 503
ChainResidue
AALA228
AASP233
BTRP300
BHOH630

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 504
ChainResidue
AHIS229
AASP233
AHOH986

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO A 505
ChainResidue
AASP233
AGLU239

site_idAC6
Number of Residues19
DetailsBINDING SITE FOR RESIDUE FMN B 501
ChainResidue
BHIS40
BASN43
BARG92
BPRO144
BASN174
BGLY196
BARG197
BPHE223
BPRO282
BPRO283
BLEU284
BTHR285
BGLY320
BGLN362
BHOH634
BHOH667
BHOH737
BHOH964
BHOH1072

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO B 502
ChainResidue
BTYR162
BARG171
BHOH785

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO B 503
ChainResidue
BHIS229
BASP233
BHOH935
BHOH1167

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"9830020","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11668181","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7881908","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11668181","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7881908","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9830019","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 319
ChainResidueDetails
AHIS40electrostatic stabiliser, hydrogen bond donor
AASN43electrostatic stabiliser, hydrogen bond donor
ATYR45electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AASN100hydrogen bond donor, increase acidity

site_idMCSA2
Number of Residues4
DetailsM-CSA 319
ChainResidueDetails
BHIS40electrostatic stabiliser, hydrogen bond donor
BASN43electrostatic stabiliser, hydrogen bond donor
BTYR45electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
BASN100hydrogen bond donor, increase acidity

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PDB entries from 2025-12-10

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