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4XCT

Crystal structure of a hydroxamate based inhibitor ARP101 (EN73) in complex with the MMP-9 catalytic domain.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
A0008237molecular_functionmetallopeptidase activity
A0008270molecular_functionzinc ion binding
A0031012cellular_componentextracellular matrix
Functional Information from PDB Data
site_idAC1
Number of Residues16
Detailsbinding site for residue N73 A 301
ChainResidue
ALEU187
ATYR245
APRO246
AMET247
ATYR248
AZN302
APGO315
AHOH501
ALEU188
AALA189
ALEU222
AHIS226
AGLU227
AHIS230
AHIS236
ALEU243

site_idAC2
Number of Residues4
Detailsbinding site for residue ZN A 302
ChainResidue
AHIS226
AHIS230
AHIS236
AN73301

site_idAC3
Number of Residues4
Detailsbinding site for residue ZN A 303
ChainResidue
AHIS175
AASP177
AHIS190
AHIS203

site_idAC4
Number of Residues6
Detailsbinding site for residue CA A 304
ChainResidue
AASP182
AGLY183
AASP185
ALEU187
AASP205
AGLU208

site_idAC5
Number of Residues6
Detailsbinding site for residue CA A 305
ChainResidue
AASP165
AGLY197
AGLN199
AASP201
AHOH415
AHOH452

site_idAC6
Number of Residues5
Detailsbinding site for residue CA A 306
ChainResidue
AASP131
AASP206
AGLU208
AHOH512
AHOH515

site_idAC7
Number of Residues3
Detailsbinding site for residue DMS A 307
ChainResidue
AHIS190
AALA191
APHE192

site_idAC8
Number of Residues2
Detailsbinding site for residue DMS A 308
ChainResidue
ATHR157
AASP182

site_idAC9
Number of Residues6
Detailsbinding site for residue EDO A 309
ChainResidue
AILE125
AGLN126
ATYR128
AALA173
AGLU174
AHOH460

site_idAD1
Number of Residues6
Detailsbinding site for residue EDO A 310
ChainResidue
ASER211
ALEU212
AGLY215
AVAL216
AHIS266
AHOH495

site_idAD2
Number of Residues4
Detailsbinding site for residue EDO A 311
ChainResidue
AHIS118
AHIS119
AASN120
AHOH407

site_idAD3
Number of Residues2
Detailsbinding site for residue EDO A 312
ChainResidue
ALEU187
AASN262

site_idAD4
Number of Residues8
Detailsbinding site for residue GOL A 313
ChainResidue
AASP113
ALYS115
ATRP116
AHIS117
AHIS118
AGLY195
AHOH406
AHOH436

site_idAD5
Number of Residues5
Detailsbinding site for residue PGO A 314
ChainResidue
AARG162
AGLY183
ALYS184
AASP207
AHOH537

site_idAD6
Number of Residues5
Detailsbinding site for residue PGO A 315
ChainResidue
APRO240
AALA242
AARG249
AN73301
AHOH429

site_idAD7
Number of Residues4
Detailsbinding site for residue BUD A 316
ChainResidue
AHIS117
AGLU130
ALEU132
APRO133

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. VAAHEFGHAL
ChainResidueDetails
AVAL223-LEU232

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PubMed","id":"12051944","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12051944","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12051944","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12077439","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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