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3JUU

Crystal structure of porphyranase B (PorB) from Zobellia galactanivorans

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005975biological_processcarbohydrate metabolic process
B0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
B0005975biological_processcarbohydrate metabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE MES A 1
ChainResidue
ASO47
ATRP67
AARG70
ATRP139
AILE141
AARG252
AGOL295
AHOH387
AHOH410

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 4
ChainResidue
AHIS26
ATRP282
AARG284
AHOH442
AHOH443

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 5
ChainResidue
AGLY52
ALYS53
ALYS54

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 6
ChainResidue
ATHR90
ATHR92
ALYS273
AARG276
AHOH435

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 7
ChainResidue
AMES1
AARG187
AASN188
AHOH482

site_idAC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 294
ChainResidue
AARG70
ATHR137
ATRP139
AGLU156
AASP158
AGLU161
AGLU256
AHOH362

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL A 295
ChainResidue
AMES1
ATRP67
AARG70

site_idAC8
Number of Residues11
DetailsBINDING SITE FOR RESIDUE MES B 1
ChainResidue
BSO48
BTRP67
BARG70
BTRP139
BILE141
BARG187
BARG252
BGOL295
BGOL296
BHOH442
BHOH464

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 294
ChainResidue
BARG187
BASN188
BILE189
BLYS197
BHOH353

site_idBC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SO4 B 2
ChainResidue
AASN83
AASN84
AHOH342
BGLN88
BLYS128
BGLU274
BTHR279
BHOH366
BHOH391
BHOH452
BHOH487

site_idBC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 3
ChainResidue
BHIS26
BTRP282
BARG284

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 8
ChainResidue
BMES1
BARG187
BASN188
BHOH483

site_idBC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL B 295
ChainResidue
BMES1
BTRP67
BARG70
BTHR137
BTRP139
BGLU156
BASP158
BGLU161
BGLU256

site_idBC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL B 296
ChainResidue
BMES1
BTRP67
BARG70
BHOH306
BHOH446

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"UniProtKB","id":"G0L322","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"G0L322","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"D7GXG0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues253
DetailsDomain: {"description":"GH16","evidences":[{"source":"PROSITE-ProRule","id":"PRU01098","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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PDB entries from 2025-12-24

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