6EX1A

Crystal structure of human carbonic anhydrase i in complex with the 4-[(3s)-3 benzyl-4-(4-sulfamoylbenzoyl)piperazine -1-carbonyl]benzene-1-sulfonamide inhibitor
Slipknot S +31
Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
view details
+31 23-255 233 1-22, 256-257 22 1 slipknot
Chain Sequence
DWGYDDKNGPEQWSKLYPIANGNNQSPVDIKTSETKHDTSLKPISVSYNPATAKEIINVGHSFHVNFEDNDNRSVLKGGPFSDSYRLFQFHFHWGSTNEHGSEHTVDGVKYSAELHVAHWNSAKYSSLAEAASKADGLAVIGVLMKVGEANPKLQKVLDALQAIKTKGKRAPFTNFDPSTLLPSSLDFWTYPGSLTHPPLYESVTWIICKESISVSSEQLAQFRSLLSNVEGDNAVPMQHNNRPTQPLKGRTVRASF
Note, that the numbers in the matrix denote the consecutive residues in the loop, not the index of amino acids in the chain!
Knot K 3x +31
Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
+ 31 21-255 235 256-257 1-1 2-20 1 1 slipknot
Fingerprint Knot forming loop Loop type
K +31 Asp4 ... His94 <->
Bridging ionZn301
<-> His96 ...
Chain closurePhe260 <-> Asp4
probabilistic
K +31 Asp4 ... His96 <->
Bridging ionZn301
<-> His119 ...
Chain closurePhe260 <-> Asp4
probabilistic
K +31 Asp4 ... His94 <->
Bridging ionZn301
<-> His119 ...
Chain closurePhe260 <-> Asp4
probabilistic
Chain Sequence
DWGYDDKNGPEQWSKLYPIANGNNQSPVDIKTSETKHDTSLKPISVSYNPATAKEIINVGHSFHVNFEDNDNRSVLKGGPFSDSYRLFQFHFHWGSTNEHGSEHTVDGVKYSAELHVAHWNSAKYSSLAEAASKADGLAVIGVLMKVGEANPKLQKVLDALQAIKTKGKRAPFTNFDPSTLLPSSLDFWTYPGSLTHPPLYESVTWIICKESISVSSEQLAQFRSLLSNVEGDNAVPMQHNNRPTQPLKGRTVRASF
Whole chain analysis
Subchain analysis 

Knotoid cutoff: 0.5


Knotoid matrix content: 1

Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
view details
2.1 25-252 228 1-24, 253-257 24 5 knot
sequence length 257
structure length 257
publication title 2-Benzylpiperazine: A new scaffold for potent human carbonic anhydrase inhibitors. Synthesis, enzyme inhibition, enantioselectivity, computational and crystallographic studies and in vivo activity for a new class of intraocular pressure lowering agents.
pubmed doi rcsb
molecule tags Lyase
molecule keywords Carbonic anhydrase 1
total genus Genus: 76
ec nomenclature
pdb deposition date 2017-11-07
KnotProt deposition date 2018-10-12
Image from the rcsb pdb (www.rcsb.org)
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similar chains in the KnotProt database (?% sequence similarity)
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similar chains in the pdb database (?% sequence similarity)

 
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