5A6HA

Synthesis, carbonic anhydrase inhibition and protein x-ray structure of the unusual natural product primary sulfonamide psammaplin c
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
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+31 24-256 233 1-23, 257-260 23 4 knot
Chain Sequence
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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 24-257 234 1-23, 258-260 23 3 knot
Fingerprint Knot forming loop Loop type
K +31
Chain closureSer2 <-> Lys261
... His96 <->
Bridging ionZn1262
<-> His94 ... Ser2
probabilistic
K +31 Ser2 ... His96 <->
Bridging ionZn1262
<-> His119 ...
Chain closureLys261 <-> Ser2
probabilistic
K +31 Ser2 ... His94 <->
Bridging ionZn1262
<-> His119 ...
Chain closureLys261 <-> Ser2
probabilistic
Chain Sequence
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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
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3.1 26-258 233 1-25, 259-259 25 1 knot
view details
2.1 26-253 228 1-25 259-259 254-258 25 1 slipknot
sequence length 259
structure length 259
publication title An Unusual Natural Product Primary Sulfonamide: Synthesis, Carbonic Anhydrase Inhibition and Protein X-Ray Structures of Psammaplin C.
pubmed doi rcsb
molecule tags Lyase
molecule keywords CARBONIC ANHYDRASE 2
source organism Homo sapiens
total genus Genus: 79
ec nomenclature
pdb deposition date 2015-06-26
KnotProt deposition date 2018-10-19
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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