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4CCQ

Crystal structure of the thioredoxin reductase from Entamoeba histolytica with NADP

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 Residues9
DetailsBINDING SITE FOR RESIDUE EDO A 1315
ChainResidue
AALA43
AGLY44
ATHR48
AMET69
AMET70
AARG73
AHOH2020
AHOH2108
AHOH2448

site_idAC2
Number of Residues29
DetailsBINDING SITE FOR RESIDUE NAP B 1315
ChainResidue
BLYS122
BGLY160
BGLY161
BASP162
BALA163
BHIS182
BARG183
BARG184
BARG188
BALA245
BILE246
BTYR290
BARG291
BGLN292
BHOH2178
BHOH2227
BHOH2228
BHOH2229
BHOH2231
BHOH2232
BHOH2243
BHOH2246
BHOH2324
BHOH2383
BHOH2404
BHOH2405
BHOH2407
BHOH2409
BHOH2410

site_idAC3
Number of Residues24
DetailsBINDING SITE FOR RESIDUE NAP A 1316
ChainResidue
AGLY160
AGLY161
AASP162
AALA163
AGLU166
AHIS182
AARG183
AARG184
AARG188
AALA245
AILE246
AHOH2230
AHOH2268
AHOH2269
AHOH2283
AHOH2295
AHOH2297
AHOH2360
AHOH2361
AHOH2364
AHOH2450
AHOH2451
AHOH2452
AHOH2453

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT A 1317
ChainResidue
AGLU270
ATHR274
AHOH2378
AHOH2407

site_idAC5
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EDO B 1316
ChainResidue
BALA43
BGLY44
BTHR48
BMET69
BMET70
BARG73
BHOH2019
BHOH2103

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO B 1317
ChainResidue
AHOH2242
BLEU268
BLYS273
BTHR274
BSER275
BHOH2343

site_idAC7
Number of Residues42
DetailsBINDING SITE FOR RESIDUE FAD A 1318
ChainResidue
ATHR87
AILE88
AALA116
ATHR117
AGLY118
AALA119
AHIS248
AGLY283
AASP284
AARG291
AGLN292
AALA293
AALA296
AHOH2016
AHOH2047
AHOH2073
AHOH2080
AHOH2083
AHOH2088
AHOH2224
AHOH2225
AHOH2454
BTYR22
AILE10
AGLY11
ASER12
AGLY13
APRO14
AALA15
ATYR33
AGLU34
AGLY35
AALA38
AVAL41
AALA42
AALA43
AGLY45
AGLN46
ALEU47
ATHR49
ATHR50
AASN55

site_idAC8
Number of Residues41
DetailsBINDING SITE FOR RESIDUE FAD B 1318
ChainResidue
ATYR22
AHOH2027
BILE10
BGLY11
BSER12
BGLY13
BPRO14
BALA15
BTYR33
BGLU34
BGLY35
BALA38
BVAL41
BALA42
BGLY45
BGLN46
BLEU47
BTHR50
BILE53
BASN55
BTHR87
BILE88
BALA116
BTHR117
BGLY118
BALA119
BGLY283
BASP284
BARG291
BGLN292
BALA293
BALA296
BHOH2016
BHOH2039
BHOH2056
BHOH2064
BHOH2070
BHOH2071
BHOH2169
BHOH2171
BHOH2331

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 2025-12-17

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