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3FSM

CRYSTAL STRUCTURE OF A CHEMICALLY SYNTHESIZED 203 AMINO ACID 'COVALENT DIMER' [L-Ala51,D-Ala51'] HIV-1 PROTEASE MOLECULE

Functional Information from GO Data
ChainGOidnamespacecontents
A0004190molecular_functionaspartic-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE DAL A 155
ChainResidue
AALA51
AGLY52
APHE53
AGLY153
AILE154
AGLY156
AHOH274

site_idAC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE 2NC A 204
ChainResidue
AALA28
AASP29
AASP30
AILE47
AGLY48
AGLY49
AILE50
AVAL82
AASP129
AGLY131
AALA132
AASP133
AASP134
AGLY152
AILE154
APRO185
AVAL186
AILE188
AHOH205
AHOH208
AHOH248
AHOH312
AASP25
AGLY27

Functional Information from PROSITE/UniProt
site_idPS00141
Number of Residues12
DetailsASP_PROTEASE Eukaryotic and viral aspartyl proteases active site. ALLDTGADDTVI
ChainResidueDetails
AALA22-ILE33
AALA126-ILE137

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues10
DetailsRegion: {"description":"Dimerization of protease","evidences":[{"source":"UniProtKB","id":"P04585","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"For protease activity; shared with dimeric partner","evidences":[{"source":"PROSITE-ProRule","id":"PRU10094","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
AASP25
ATHR26

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
AASP25

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PDB entries from 2025-11-19

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