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4XRG

Crystal Structure of the Homospermidine Synthase (HSS) variant H296S from Blastochloris viridis in Complex with NAD, Putrescine and Agmatine

Functional Information from GO Data
ChainGOidnamespacecontents
A0016740molecular_functiontransferase activity
A0047296molecular_functionhomospermidine synthase activity
A0050514molecular_functionhomospermidine synthase (spermidine-specific) activity
B0016740molecular_functiontransferase activity
B0047296molecular_functionhomospermidine synthase activity
B0050514molecular_functionhomospermidine synthase (spermidine-specific) activity
Functional Information from PDB Data
site_idAC1
Number of Residues34
Detailsbinding site for residue NAD A 501
ChainResidue
AGLY20
ASER92
AVAL93
ATHR95
ATHR114
AVAL115
AGLY160
AALA161
AASN162
APRO163
ATRP229
ASER21
ASER230
AGLU237
AILE350
AVAL400
AAG2502
APUT503
AHOH757
AHOH764
AHOH793
AHOH799
AILE22
AHOH848
AHOH1019
AHOH1069
AHOH1138
AHOH1162
AASP45
APRO46
ASER47
AALA65
AVAL66
ALEU91

site_idAC2
Number of Residues11
Detailsbinding site for residue AG2 A 502
ChainResidue
AASN162
AGLU210
ATRP229
AGLU237
AVAL294
ATHR295
ASER296
ATYR323
ANAD501
APUT503
AHOH1091

site_idAC3
Number of Residues7
Detailsbinding site for residue PUT A 503
ChainResidue
AASN162
AGLU210
ATYR323
ALEU363
ANAD501
AAG2502
AHOH1091

site_idAC4
Number of Residues5
Detailsbinding site for residue 1PS A 504
ChainResidue
ASER47
AASP48
AGLU49
AASP347
ATRP348

site_idAC5
Number of Residues4
Detailsbinding site for residue 1PS A 505
ChainResidue
AMET338
AGLY342
ALYS343
AARG344

site_idAC6
Number of Residues35
Detailsbinding site for residue NAD B 501
ChainResidue
BPHE19
BGLY20
BSER21
BILE22
BASP45
BPRO46
BALA65
BVAL66
BLEU91
BSER92
BVAL93
BTHR95
BTHR114
BVAL115
BGLY160
BALA161
BASN162
BPRO163
BTRP229
BSER230
BGLU237
BILE350
BVAL400
BAG2502
BPUT503
BHOH676
BHOH693
BHOH711
BHOH720
BHOH768
BHOH772
BHOH784
BHOH1070
BHOH1097
BHOH1106

site_idAC7
Number of Residues10
Detailsbinding site for residue AG2 B 502
ChainResidue
BGLU237
BTHR295
BSER296
BTYR323
BNAD501
BPUT503
BHOH871
BASN162
BGLU210
BTRP229

site_idAC8
Number of Residues7
Detailsbinding site for residue PUT B 503
ChainResidue
BASN162
BGLU210
BTRP229
BTYR323
BNAD501
BAG2502
BHOH871

site_idAC9
Number of Residues4
Detailsbinding site for residue ACT B 504
ChainResidue
BLYS171
BTRP194
BLEU425
BPHE427

site_idAD1
Number of Residues7
Detailsbinding site for residue ACT B 505
ChainResidue
BSER167
BVAL170
BLYS171
BILE302
BPHE305
BLEU306
BASP423

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PDB entries from 2024-07-31

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