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4XQG

Crystal Structure of the Homospermidine Synthase (HSS) variant E237Q from Blastochloris viridis in Complex with NAD.

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 Residues31
Detailsbinding site for residue NAD A 501
ChainResidue
AGLY20
ASER92
AVAL93
ATHR95
ATHR114
AVAL115
AGLY160
AALA161
AASN162
APRO163
ATRP229
ASER21
ASER230
AILE350
AVAL400
AHOH736
AHOH739
AHOH794
AHOH807
AHOH816
AHOH832
AHOH907
AILE22
AHOH965
AHOH1112
AASP45
APRO46
ASER47
AALA65
AVAL66
ALEU91

site_idAC2
Number of Residues5
Detailsbinding site for residue SO4 A 502
ChainResidue
ACYS264
AARG309
AALA315
AARG318
AHOH1146

site_idAC3
Number of Residues5
Detailsbinding site for residue 1PS A 503
ChainResidue
ASER47
AASP48
AGLU49
AASP347
ATRP348

site_idAC4
Number of Residues4
Detailsbinding site for residue 1PS A 504
ChainResidue
AMET338
AGLY342
ALYS343
AARG344

site_idAC5
Number of Residues10
Detailsbinding site for residue AG2 A 505
ChainResidue
AARG146
AARG191
AASP304
APHE305
AASP424
AHOH634
AHOH673
AHOH764
AHOH836
AHOH884

site_idAC6
Number of Residues5
Detailsbinding site for residue ACT A 506
ChainResidue
AARG215
BPRO221
BPHE222
BHOH760
BHOH777

site_idAC7
Number of Residues32
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
BILE350
BVAL400
BHOH663
BHOH671
BHOH688
BHOH746
BHOH747
BHOH751
BHOH792
BHOH801
BHOH986
BHOH1085

site_idAC8
Number of Residues7
Detailsbinding site for residue SO4 B 502
ChainResidue
BCYS264
BARG309
BGLN314
BALA315
BARG318
BHOH1071
BHOH1100

site_idAC9
Number of Residues5
Detailsbinding site for residue SO4 B 503
ChainResidue
APRO221
APHE222
AHOH851
AHOH874
BARG215

site_idAD1
Number of Residues8
Detailsbinding site for residue 1PS B 504
ChainResidue
ALEU457
BPHE124
BLEU239
BMET338
BGLY342
BLYS343
BARG344
BHOH898

site_idAD2
Number of Residues9
Detailsbinding site for residue AG2 B 505
ChainResidue
BARG146
BARG191
BASP304
BPHE305
BASP424
BHOH682
BHOH769
BHOH812
BHOH879

site_idAD3
Number of Residues6
Detailsbinding site for residue ACT B 506
ChainResidue
BPHE225
BVAL235
BARG344
BTRP348
BHOH850
BHOH985

site_idAD4
Number of Residues6
Detailsbinding site for residue ACT B 507
ChainResidue
BLYS171
BTRP194
BLEU425
BASP426
BPHE427
BHOH1024

site_idAD5
Number of Residues6
Detailsbinding site for residue ACT B 508
ChainResidue
BSER167
BVAL170
BLYS171
BILE302
BPHE305
BASP423

site_idAD6
Number of Residues3
Detailsbinding site for residue ACT B 509
ChainResidue
BTYR7
BARG429
BHOH1034

site_idAD7
Number of Residues8
Detailsbinding site for residue 1PS B 510
ChainResidue
BGLU49
BASP347
BTRP348
BARG349
BILE350
BHOH833
BHOH884
BHOH1065

223166

PDB entries from 2024-07-31

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