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6YCD

Structure the ananain protease from Ananas comosus covalently bound to the TLCK inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
B0006508biological_processproteolysis
B0008234molecular_functioncysteine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues12
Detailsbinding site for residue TCK A 301
ChainResidue
AGLN19
ATRP180
AHOH448
AHOH494
AGLY23
ASER24
ACYS25
ALYS63
ASER136
AGLN140
AASN156
AHIS157

site_idAC2
Number of Residues6
Detailsbinding site for residue SO4 A 302
ChainResidue
AGLY61
ACYS62
ALYS92
AHOH417
AHOH500
AHOH568

site_idAC3
Number of Residues5
Detailsbinding site for residue SO4 A 303
ChainResidue
ALYS39
AGLY43
AASN44
ALEU45
BLYS41

site_idAC4
Number of Residues4
Detailsbinding site for residue GOL B 302
ChainResidue
BGLY61
BCYS62
BHOH402
BHOH407

site_idAC5
Number of Residues6
Detailsbinding site for residue SO4 B 303
ChainResidue
ALYS41
AHOH501
BLYS39
BGLY43
BASN44
BLEU45

site_idAC6
Number of Residues17
Detailsbinding site for Di-peptide TCK B 301 and CYS B 25
ChainResidue
BGLN19
BGLY23
BSER24
BTRP26
BALA27
BPHE28
BALA29
BLYS63
BALA135
BSER136
BGLN140
BASN156
BHIS157
BALA158
BTRP180
BHOH515
BHOH522

Functional Information from PROSITE/UniProt
site_idPS00139
Number of Residues12
DetailsTHIOL_PROTEASE_CYS Eukaryotic thiol (cysteine) proteases cysteine active site. QGrCGSCWAfAS
ChainResidueDetails
AGLN19-SER30

site_idPS00639
Number of Residues11
DetailsTHIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. LNHAIVIIGYG
ChainResidueDetails
ALEU155-GLY165

site_idPS00640
Number of Residues20
DetailsTHIOL_PROTEASE_ASN Eukaryotic thiol (cysteine) proteases asparagine active site. FWIvRNSWgagWGegGYIrL
ChainResidueDetails
APHE173-LEU192

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: ACT_SITE => ECO:0000255|PROSITE-ProRule:PRU10088, ECO:0000305|PubMed:31306685
ChainResidueDetails
ACYS25
BCYS25

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: ACT_SITE => ECO:0000255|PROSITE-ProRule:PRU10089, ECO:0000305|PubMed:31306685
ChainResidueDetails
AHIS157
BHIS157

site_idSWS_FT_FI3
Number of Residues2
DetailsACT_SITE: ACT_SITE => ECO:0000255|PROSITE-ProRule:PRU10090
ChainResidueDetails
AASN178
BASN178

site_idSWS_FT_FI4
Number of Residues2
DetailsBINDING: covalent => ECO:0000269|PubMed:31306685, ECO:0007744|PDB:6MIS, ECO:0007744|PDB:6YCC
ChainResidueDetails
ACYS25
BCYS25

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PDB entries from 2025-06-18

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