5FL4A

Three dimensional structure of human carbonic anhydrase ix in complex with 5-(1-naphthalen-1-yl-1,2,3-triazol-4-yl)thiophene-2-sulfonamide
Genus: 68
Alphaknot: Q16790
Slipknot S +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 20-246 227 1-19, 247-251 19 5 knot
Chain Sequence
WRYGGDPPWPRVSPACAGRFQSPVDIRPQLAAFSPALRPLELLGFQLPPLPELRLRNNGHSVQLTLPPGLEMALGPGREYRALQLHLHWGAAGRPGSEHTVEGHRFPAEIHVVHLSTAFARVDEALGRPGGLAVLAAFLEEGPEENSAYEQLLSRLEEIAEEGSETQVPGLDISALLPSDFSRYFQYEGSLTTPPCAQGVIWTVFNQTVMLSAKQLHTLSDTLWGPGDSRLQLNFRATQPLNGRVIEASFP
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 19-248 230 1-18, 249-251 18 2 slipknot
Fingerprint Knot forming loop Loop type
K +31
Chain closureTrp9 <-> Pro259
... His96 <->
Bridging ionZn264
<-> His94 ... Trp9		 probabilistic
K +31
Chain closureTrp9 <-> Pro259
... His119 <->
Bridging ionZn264
<-> His96 ... Trp9		 probabilistic
K +31
Chain closureTrp9 <-> Pro259
... His119 <->
Bridging ionZn264
<-> His94 ... Trp9		 probabilistic
Chain Sequence
WRYGGDPPWPRVSPACAGRFQSPVDIRPQLAAFSPALRPLELLGFQLPPLPELRLRNNGHSVQLTLPPGLEMALGPGREYRALQLHLHWGAAGRPGSEHTVEGHRFPAEIHVVHLSTAFARVDEALGRPGGLAVLAAFLEEGPEENSAYEQLLSRLEEIAEEGSETQVPGLDISALLPSDFSRYFQYEGSLTTPPCAQGVIWTVFNQTVMLSAKQLHTLSDTLWGPGDSRLQLNFRATQPLNGRVIEASFP
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 21-249 229 1-20, 250-251 20 2 knot
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2.1 20-245 226 1-19 250-251 246-249 19 2 slipknot
sequence length 251
structure length 251
publication title An Efficient Expression and Crystallization System of the Cancer Asociated Carbonic Anhydrase Isoform Ix.
pubmed doi rcsb
molecule tags Lyase
molecule keywords CARBONIC ANHYDRASE 9
source organism Homo sapiens
total genus Genus: 68
ec nomenclature ec 4.2.1.1: Carbonic anhydrase.
pdb deposition date 2015-10-21
KnotProt deposition date 2018-10-18

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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#similar chains, but unknotted
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How to cite
KnotProt | Interdisciplinary Laboratory of Biological Systems Modelling