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4A5L

Crystal structure of the thioredoxin reductase from Entamoeba histolytica

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004791molecular_functionthioredoxin-disulfide reductase (NADPH) activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0016491molecular_functionoxidoreductase activity
A0019430biological_processremoval of superoxide radicals
A0045454biological_processcell redox homeostasis
B0000166molecular_functionnucleotide binding
B0004791molecular_functionthioredoxin-disulfide reductase (NADPH) activity
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0016491molecular_functionoxidoreductase activity
B0019430biological_processremoval of superoxide radicals
B0045454biological_processcell redox homeostasis
Functional Information from PDB Data
site_idAC1
Number of Residues21
DetailsBINDING SITE FOR RESIDUE NDP A 1315
ChainResidue
AGLY160
AILE246
ASO41316
AHOH2188
AHOH2189
AHOH2193
AHOH2194
AHOH2196
AHOH2230
AHOH2293
AHOH2294
AGLY161
AHOH2295
AHOH2296
AASP162
AALA163
AHIS182
AARG183
AARG184
AARG188
AALA245

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 1316
ChainResidue
AARG183
ANDP1315
BARG183
BNDP1315

site_idAC3
Number of Residues40
DetailsBINDING SITE FOR RESIDUE FAD A 1317
ChainResidue
AILE10
AGLY11
ASER12
AGLY13
APRO14
AALA15
ATYR33
AGLU34
AGLY35
AALA38
AVAL41
AALA42
AGLY45
AGLN46
ALEU47
ATHR50
AILE53
AASN55
ATHR87
AILE88
AALA116
ATHR117
AGLY118
AALA119
AHIS248
AGLY283
AASP284
AARG291
AGLN292
AALA293
AALA296
AHOH2011
AHOH2030
AHOH2046
AHOH2056
AHOH2060
AHOH2157
AHOH2158
AHOH2298
BTYR22

site_idAC4
Number of Residues23
DetailsBINDING SITE FOR RESIDUE NDP B 1315
ChainResidue
ASO41316
BLYS122
BGLY160
BGLY161
BASP162
BALA163
BHIS182
BARG183
BARG184
BARG188
BALA245
BILE246
BHIS248
BARG291
BHOH2137
BHOH2169
BHOH2170
BHOH2182
BHOH2183
BHOH2185
BHOH2246
BHOH2308
BHOH2310

site_idAC5
Number of Residues38
DetailsBINDING SITE FOR RESIDUE FAD B 1316
ChainResidue
BALA38
BVAL41
BALA42
BGLY45
BGLN46
BLEU47
BTHR50
BILE53
BASN55
BILE88
BTHR117
BGLY118
BALA119
BGLY283
BASP284
BARG291
BGLN292
BALA293
BALA296
BHOH2008
BHOH2026
BHOH2045
BHOH2053
BHOH2058
BHOH2129
BHOH2130
BHOH2251
ATYR22
AHOH2018
BILE10
BGLY11
BSER12
BGLY13
BPRO14
BALA15
BTYR33
BGLU34
BGLY35

Functional Information from PROSITE/UniProt
site_idPS00573
Number of Residues23
DetailsPYRIDINE_REDOX_2 Pyridine nucleotide-disulphide oxidoreductases class-II active site. CaiCDGavpiFrnkvLmVVGGGD
ChainResidueDetails
ACYS140-ASP162

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PDB entries from 2025-10-08

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