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3HDF

Crystal structure of truncated endolysin R21 from phage 21

Functional Information from GO Data
ChainGOidnamespacecontents
A0003796molecular_functionlysozyme activity
A0009253biological_processpeptidoglycan catabolic process
A0016998biological_processcell wall macromolecule catabolic process
B0003796molecular_functionlysozyme activity
B0009253biological_processpeptidoglycan catabolic process
B0016998biological_processcell wall macromolecule catabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NO3 A 1210
ChainResidue
ALYS68
AALA69
ALYS72
BARG121

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 1001
ChainResidue
BILE40
BPRO41
BHOH1230
BHOH1289
APRO41
ATYR42
AHOH1221
AHOH1235
AHOH1256

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1002
ChainResidue
AILE86
ATYR89
AALA111
ASER117
AHOH1444

site_idAC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE GOL A 1003
ChainResidue
APHE114
AHOH1239
AHOH1339
AHOH1673
BLEU75
BLEU79
BSER104
BGLY148
BLEU149
BMET150

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 1004
ChainResidue
ALYS122
AGLN134
AARG137
AHOH1225
BALA73
BASN76
BHOH1231

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 1006
ChainResidue
APHE105
AARG115
AGLN134
ATRP138
AARG152
AHOH1302
BASN76

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 1007
ChainResidue
AHOH1310
AHOH1327
BHIS53
BTRP146
BLYS147
BGLY148

site_idAC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE NO3 B 1202
ChainResidue
ALEU79
ASER104
AGLY148
ALEU149
AMET150
AHOH1284
BPHE114
BHOH1278

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NO3 B 1201
ChainResidue
BSER38
BTYR39
BILE40
BHOH1289

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NO3 B 1203
ChainResidue
BGLY57
BLYS58
BILE60

site_idBC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE NO3 B 1205
ChainResidue
ALEU34
AVAL37
ATYR39
AHIS53
ALYS68
ACYS71
ALYS72

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NO3 B 1206
ChainResidue
BLEU34
BTYR39
BHIS53
BLYS68
BCYS71
BLYS72

site_idBC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE NO3 B 1207
ChainResidue
AASN76
BPHE105
BARG115
BGLN134
BLEU135
BTRP138
BARG152

site_idBC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NO3 B 1208
ChainResidue
ASER38
ATYR39
AILE40
AHOH1256
BHOH1643

site_idBC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NO3 B 1209
ChainResidue
AARG121
BLYS68
BALA69
BLYS72

site_idBC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NO3 B 1211
ChainResidue
AGLY57
ALYS58
AILE60

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_04136","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"19881499","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 206l
ChainResidueDetails
AASP44
AGLU35

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 206l
ChainResidueDetails
BASP44
BGLU35

239149

PDB entries from 2025-07-23

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