This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.


Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.


4lcu

From Proteopedia

(Difference between revisions)
Jump to: navigation, search
Line 1: Line 1:
{{STRUCTURE_4lcu| PDB=4lcu | SCENE= }}
{{STRUCTURE_4lcu| PDB=4lcu | SCENE= }}
===Structure of KcsA with E118A mutation===
===Structure of KcsA with E118A mutation===
 +
{{ABSTRACT_PUBMED_24218397}}
==Function==
==Function==
Line 6: Line 7:
==About this Structure==
==About this Structure==
-
[[4lcu]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [http://en.wikipedia.org/wiki/Streptomyces_lividans Streptomyces lividans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4LCU OCA].
+
[[4lcu]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/"actinomyces_lividans"_krasil'nikov_et_al._1965 "actinomyces lividans" krasil'nikov et al. 1965] and [http://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4LCU OCA].
==Reference==
==Reference==
-
<references group="xtra"/><references/>
+
<ref group="xtra">PMID:024218397</ref><references group="xtra"/><references/>
-
[[Category: Mus musculus]]
+
[[Category: Actinomyces lividans krasil'nikov et al. 1965]]
-
[[Category: Streptomyces lividans]]
+
[[Category: Lk3 transgenic mice]]
[[Category: McCoy, J M.]]
[[Category: McCoy, J M.]]
[[Category: Nimigean, C M.]]
[[Category: Nimigean, C M.]]

Revision as of 09:29, 5 February 2014

Template:STRUCTURE 4lcu

Contents

Structure of KcsA with E118A mutation

Template:ABSTRACT PUBMED 24218397

Function

[KCSA_STRLI] Acts as a pH-gated potassium ion channel; changing the cytosolic pH from 7 to 4 opens the channel, although it is not clear if this is the physiological stimulus for channel opening. Monovalent cation preference is K(+) > Rb(+) > NH4(+) >> Na(+) > Li(+).[1]

About this Structure

4lcu is a 3 chain structure with sequence from "actinomyces_lividans"_krasil'nikov_et_al._1965 "actinomyces lividans" krasil'nikov et al. 1965 and Lk3 transgenic mice. Full crystallographic information is available from OCA.

Reference

  • Posson DJ, Thompson AN, McCoy JG, Nimigean CM. Molecular interactions involved in proton-dependent gating in KcsA potassium channels. J Gen Physiol. 2013 Dec;142(6):613-24. doi: 10.1085/jgp.201311057. Epub 2013 Nov , 11. PMID:24218397 doi:http://dx.doi.org/10.1085/jgp.201311057
  1. Schrempf H, Schmidt O, Kummerlen R, Hinnah S, Muller D, Betzler M, Steinkamp T, Wagner R. A prokaryotic potassium ion channel with two predicted transmembrane segments from Streptomyces lividans. EMBO J. 1995 Nov 1;14(21):5170-8. PMID:7489706

Proteopedia Page Contributors and Editors (what is this?)

OCA

Personal tools