4XIWA

Carbonic anhydrase cah3 from chlamydomonas reinhardtii in complex with acetazolamide
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 16-235 220 1-15, 236-237 15 1 slipknot
Chain Sequence
AWNYGEVAGPPTWKGVCATGKRQSPINIPLNTSAPKVDAEMGEFDFAYGSFEKCDVLNTGHGTMQVNFPAGNLAFIGNMELELLQFHFHAPSEHAMDGRRYAMEAHLVHKNKSTGNLAVLGIMLEPGGLIKNPALSTALEVAPEVPLAKKPSPKGINPVMLLPKKSKAGTRPFVHYPGSLTTPPCSEGVDWFVFMQPIKVPDSQILDFMRFVGDNKTYATNTRPLQLLNSRLVEYEL
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 21-218 198 1-20, 219-222 20 4 knot
Fingerprint Knot forming loop Loop type
K +31 Ala74 ... His162 <->
Bridging ionZn401
<-> His179 ...
Chain closureLeu310 <-> Ala74
probabilistic
K +31 Ala74 ... His160 <->
Bridging ionZn401
<-> His179 ...
Chain closureLeu310 <-> Ala74
probabilistic
K +31 Ala74 ... His160 <->
Bridging ionZn401
<-> His162 ...
Chain closureLeu310 <-> Ala74
probabilistic
Chain Sequence
AWNYGEVAGPPTWKGVCATGKRQSPINIPLNTSAPKVDAEMGEFDFAYGSFEKCDVLNTGHGTMQVNFPAGNLAFIGNMELELLQFHFHAPSEHAMDGRRYAMEAHLVHKNKSTGNLAVLGIMLEPGGLIKNPALSTALEVAPEVPLAKKPSPKGINPVMLLPKKSKAGTRPFVHYPGSLTTPPCSEGVDWFVFMQPIKVPDSQILDFMRFVGDNKTYATNTRPLQLLNSRLVEYEL
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 21-232 212 1-20, 233-237 20 5 knot
view details
3.1 24-235 212 236-237 1-20 21-23 20 1 slipknot
sequence length 237
structure length 237
publication title Crystal Structure and Functional Characterization of Photosystem II-Associated Carbonic Anhydrase CAH3 in Chlamydomonas reinhardtii.
pubmed doi rcsb
molecule tags Lyase
molecule keywords Carbonic anhydrase, alpha type
source organism Chlamydomonas reinhardtii
total genus Genus: 59
ec nomenclature
pdb deposition date 2015-01-07
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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