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3WEI

Crystal structure of the human squalene synthase Y73A mutant in complex with presqualene pyrophosphate

Functional Information from GO Data
ChainGOidnamespacecontents
A0004310molecular_functionfarnesyl-diphosphate farnesyltransferase activity
A0004311molecular_functionfarnesyltranstransferase activity
A0008610biological_processlipid biosynthetic process
A0009058biological_processbiosynthetic process
A0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A 401
ChainResidue
AASN215
AASP219
APS7404
AHOH734
AHOH735
AHOH736

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MN A 402
ChainResidue
AMN403
APS7404
AHOH739
AHOH740
AASP80
AGLU83
AASP84

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A 403
ChainResidue
AASP80
AASP84
AMN402
APS7404
AHOH741
AHOH742

site_idAC4
Number of Residues25
DetailsBINDING SITE FOR RESIDUE PS7 A 404
ChainResidue
ASER51
APHE54
AALA73
ALEU76
AARG77
AASP80
AASP84
AMET154
AVAL175
AGLY180
AMET207
ALEU211
AGLN212
AASN215
ATYR276
APHE288
AMN401
AMN402
AMN403
AHOH736
AHOH738
AHOH740
AHOH741
AHOH742
AHOH785

Functional Information from PROSITE/UniProt
site_idPS01044
Number of Residues16
DetailsSQUALEN_PHYTOEN_SYN_1 Squalene and phytoene synthases signature 1. YChyVAGLVGigLsrL
ChainResidueDetails
ATYR171-LEU186

site_idPS01045
Number of Residues26
DetailsSQUALEN_PHYTOEN_SYN_2 Squalene and phytoene synthases signature 2. MGlflQkt.NIiRDYleDqqgg...ReFwP
ChainResidueDetails
AMET207-PRO232

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsTRANSMEM: Helical => ECO:0000255
ChainResidueDetails
ASER284-TYR304

site_idSWS_FT_FI2
Number of Residues5
DetailsBINDING: BINDING => ECO:0000305|PubMed:24531458
ChainResidueDetails
ALYS315
AARG317
AARG52
AARG77
AARG218

site_idSWS_FT_FI3
Number of Residues3
DetailsBINDING: BINDING => ECO:0000269|PubMed:24531458, ECO:0007744|PDB:3WEG, ECO:0007744|PDB:3WEH
ChainResidueDetails
AASP80
AGLU83
AASP84

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 264
ChainResidueDetails
ATYR171hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AARG218electrostatic stabiliser, hydrogen bond donor, promote heterolysis
AARG228electrostatic stabiliser, hydrogen bond donor, promote heterolysis
APHE288polar/non-polar interaction, steric role, van der waals interaction

221051

PDB entries from 2024-06-12

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