4HT2A

Crystal structure of human carbonic anhydrase isozyme xii with the inhibitor.
Genus: 75
Alphaknot: O43570
Knot K +31

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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, 257-261 23 5 knot
Chain Sequence
KWTYFGPDGENSWSKKYPSCGGLLQSPIDLHSDILQYDASLTPLEFQGYNLSANKQFLLTNNGHSVKLNLPSDMHIQGLQSRYSATQLHLHWGNPNDPHGSEHTVSGQHFAAELHIVHYNSDLYPDASTASNKSEGLAVLAVLIEMGSFNPSYDKIFSHLQHVKYKGQEAFVPGFNIEELLPERTAEYYRYRGSLTTPPCNPTVLWTVFRNPVQISQEQLLALETALYCTHMDDPSPREMINNFRQVQKFDERLVYTSFSQ
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

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Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
+ 31 24-234 211 1-23, 235-239 23 5 knot
Fingerprint Knot forming loop Loop type
K +31
Chain closureLys3 <-> Gln263
... His117 <->
Bridging ionZn301
<-> His93 ... Lys3		 probabilistic
K +31
Chain closureLys3 <-> Gln263
... His117 <->
Bridging ionZn301
<-> His91 ... Lys3		 probabilistic
K +31
Chain closureLys3 <-> Gln263
... His93 <->
Bridging ionZn301
<-> His91 ... Lys3		 probabilistic
Chain Sequence
KWTYFGPDGENSWSKKYPSCGGLLQSPIDLHSDILQYDASLTPLEFQGYNLSANKQFLLTNNGHSVKLNLPSDMHIQGLQSRYSATQLHLHWGNPNDPHGSEHTVSGQHFAAELHIVHYNSDLYPDASTASNKSEGLAVLAVLIEMGSFNPSYDKIFSHLQHVKYKGQEAFVPGFNIEELLPERTAEYYRYRGSLTTPPCNPTVLWTVFRNPVQISQEQLLALETALYCTHMDDPSPREMINNFRQVQKFDERLVYTSFSQ
Whole chain analysis

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Subchain analysis 

Knotoid cutoff: 0.5


Knotoid matrix content: 1


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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, 259-261 25 3 knot
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2.1 25-254 230 1-24 259-261 255-258 24 3 slipknot
sequence length 261
structure length 261
publication title 4-Substituted-2,3,5,6-tetrafluorobenzenesulfonamides as inhibitors of carbonic anhydrases I, II, VII, XII, and XIII.
pubmed doi rcsb
molecule tags Lyase/lyase inhibitor
molecule keywords Carbonic anhydrase 12
source organism Homo sapiens
total genus Genus: 75
ec nomenclature ec 4.2.1.1: Carbonate dehydratase.
pdb deposition date 2012-10-31
KnotProt deposition date 2018-10-19

pfam database annotations

chain Pfam Accession Code Pfam Family Identifier Pfam Description
A PF00194 Carb_anhydrase Eukaryotic-type carbonic anhydrase
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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How to cite
KnotProt | Interdisciplinary Laboratory of Biological Systems Modelling