2K21 - JenaLib

NMR Structure - model 1 (Jmol Viewer)

NMR Structure - all models (Jmol Viewer)

Title :   NMR STRUCTURE OF HUMAN KCNE1 IN LMPG MICELLES AT PH 6.0 AND 40 DEGREE C

Authors :   C. Kang, C. Tian, F. D. Sonnichsen, J. A. Smith, J. Meiler, A. L. George, C. G. Vanoye, C. R. Sanders, H. Kim

Date :   19 Mar 08 (Deposition) - 09 Dec 08 (Release) - 09 Dec 08 (Revision)

Method :   SOLUTION NMR

Resolution :   NOT APPLICABLE

Chains :   NMR Structure  : A  (10x)

Keywords :   Kcne1, Membrane Protein, Potassium Channel, Mink, Auxilliary Subunit, Nmr, Micelles, Ion Transport, Ionic Channel, Potassium Transport, Transmembrane, Transport, Voltage-Gated Channel (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. Kang, C. Tian, F. D. Sonnichsen, J. A. Smith, J. Meiler, A. L. George, C. G. Vanoye, H. J. Kim, C. R. Sanders
Structure Of Kcne1 And Implications For How It Modulates The Kcnq1 Potassium Channel.
Biochemistry V. 47 7999 2008
PubMed-ID: 18611041 | Reference-DOI: 10.1021/BI800875Q
(for further references see the PDB file header)

Molecule 1 - POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY E MEMBER
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET16B
	Expression System Strain	:	BL21(DE3) CODON PLUS RP
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	KCNE1
	Mutation	:	YES
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606


NMR Structure (10x)	:

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 2K21)

(no "Site" information available for 2K21)

(no "SS Bond" information available for 2K21)

(no "Cis Peptide Bond" information available for 2K21)

NMR Structure (26, 26)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
01	UniProt	VAR_008897	T	7	I	KCNE1_HUMAN	Disease (JLNS2)	28933384	A	T	7	I
02	UniProt	VAR_074908	A	8	V	KCNE1_HUMAN	Unclassified (LQT5)	199473348	A	A	8	V
03	UniProt	VAR_074909	T	10	M	KCNE1_HUMAN	Unclassified (LQT5)	144917638	A	T	10	M
04	UniProt	VAR_074910	S	28	L	KCNE1_HUMAN	Unclassified (LQT5)	199473350	A	S	28	L
05	UniProt	VAR_009906	R	32	H	KCNE1_HUMAN	Unclassified (LQT5)	17857111	A	R	32	H
06	UniProt	VAR_074911	R	36	H	KCNE1_HUMAN	Unclassified (LQT5)	199473351	A	R	36	H
07	UniProt	VAR_001558	S	38	G	KCNE1_HUMAN	Polymorphism	1805127	A	G	38	G
08	UniProt	VAR_008898	V	47	F	KCNE1_HUMAN	Disease (JLNS2)	199473353	A	V	47	F
09	UniProt	VAR_008899	L	51	H	KCNE1_HUMAN	Disease (JLNS2)	---	A	L	51	H
10	UniProt	VAR_048024	G	52	A	KCNE1_HUMAN	Polymorphism	17173509	A	G	52	A
11	UniProt	VAR_074912	F	53	S	KCNE1_HUMAN	Unclassified (LQT5)	199473355	A	F	53	S
12	UniProt	VAR_074913	G	55	S	KCNE1_HUMAN	Unclassified (LQT5)	199473644	A	G	55	S
13	UniProt	VAR_074914	T	58	P	KCNE1_HUMAN	Unclassified (LQT5)	147187721	A	T	58	P
14	UniProt	VAR_074915	L	59	P	KCNE1_HUMAN	Unclassified (LQT5)	141813529	A	L	59	P
15	UniProt	VAR_074916	R	67	C	KCNE1_HUMAN	Unclassified (LQT5)	199473645	A	R	67	C
16	UniProt	VAR_074917	R	67	H	KCNE1_HUMAN	Unclassified (LQT5)	79654911	A	R	67	H
17	UniProt	VAR_074918	K	70	M	KCNE1_HUMAN	Unclassified (LQT5)	199473646	A	K	70	M
18	UniProt	VAR_008900	S	74	L	KCNE1_HUMAN	Disease (LQT5)	74315446	A	S	74	L
19	UniProt	VAR_008901	D	76	N	KCNE1_HUMAN	Disease (LQT5)	74315445	A	D	76	N
20	UniProt	VAR_074919	E	83	K	KCNE1_HUMAN	Unclassified (LQT5)	199473360	A	E	83	K
21	UniProt	VAR_008902	D	85	N	KCNE1_HUMAN	Polymorphism	1805128	A	D	85	N
22	UniProt	VAR_008903	W	87	R	KCNE1_HUMAN	Disease (LQT5)	199473361	A	W	87	R
23	UniProt	VAR_009907	R	98	W	KCNE1_HUMAN	Disease (LQT5)	199473362	A	R	98	W
24	UniProt	VAR_012802	V	109	I	KCNE1_HUMAN	Disease (LQT5)	77442996	A	V	109	I
25	UniProt	VAR_074920	T	125	M	KCNE1_HUMAN	Unclassified (LQT5)	142511345	A	T	125	M
26	UniProt	VAR_009908	P	127	T	KCNE1_HUMAN	Disease (LQT5)	199473647	A	P	127	T

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(no "PROSITE Motif" information available for 2K21)

(no "Exon" information available for 2K21)

NMR Structure

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:129
 aligned with KCNE1_HUMAN | P15382 from UniProtKB/Swiss-Prot  Length:129

    Alignment length:129
                                    10        20        30        40        50        60        70        80        90       100       110       120         
          KCNE1_HUMAN     1 MILSNTTAVTPFLTKLWQETVQQGGNMSGLARRSPRSSDGKLEALYVLMVLGFFGFFTLGIMLSYIRSKKLEHSNDPFNVYIESDAWQEKDKAYVQARVLESYRSCYVVENHLAIEQPNTHLPETKPSP 129
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ISK_Channel-2k21A01 A:1-129                                                                                                       Pfam domains
         Sec.struct. author ..hhhhhhhh.hhhhhhhhhhhh.....hhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhh..................hhhhhhhhhhhhhhhh....................... Sec.struct. author
             SAPs(SNPs) (1) ------IV-M-----------------L---H---H-G--------F---HAS-S--PP-------C--M---L-N------K-N-R----------W----------I---------------M-T-- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------------------------------------------------------H-------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2k21 A   1 MILSNTTAVTPFLTKLWQETVQQGGNMSGLARRSPRSGDGKLEALYVLMVLGFFGFFTLGIMLSYIRSKKLEHSNDPFNVYIESDAWQEKDKAYVQARVLESYKSCYVVENHLAIEQPNTHLPETKPSP 129
                                    10        20        30        40        50        60        70        80        90       100       110       120

Chain A from PDB  Type:PROTEIN  Length:129
 aligned with Q6FHJ6_HUMAN | Q6FHJ6 from UniProtKB/TrEMBL  Length:129

    Alignment length:129
                                    10        20        30        40        50        60        70        80        90       100       110       120         
         Q6FHJ6_HUMAN     1 MILSNTTAVTPFLTKLWQETVQQGGNMSGLARRSPRSGDGKLEALYVLMVLGFFGFFTLGIMLSYIRSKKLEHSNDPFNVYIESDAWQEKDKAYVQARVLESYRSCYVVENHLAIEQPNTHLPETKPSP 129
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ISK_Channel-2k21A01 A:1-129                                                                                                       Pfam domains
         Sec.struct. author ..hhhhhhhh.hhhhhhhhhhhh.....hhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhh..................hhhhhhhhhhhhhhhh....................... Sec.struct. author
             SAPs(SNPs) (1) ------IV-M-----------------L---H---H-G--------F---HAS-S--PP-------C--M---L-N------K-N-R----------W----------I---------------M-T-- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------------------------------------------------------H-------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2k21 A   1 MILSNTTAVTPFLTKLWQETVQQGGNMSGLARRSPRSGDGKLEALYVLMVLGFFGFFTLGIMLSYIRSKKLEHSNDPFNVYIESDAWQEKDKAYVQARVLESYKSCYVVENHLAIEQPNTHLPETKPSP 129
                                    10        20        30        40        50        60        70        80        90       100       110       120

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

(no "SCOP Domain" information available for 2K21)

(no "CATH Domain" information available for 2K21)

NMR Structure

Clans(

)

Families(

)

Organisms( (-)

)

Clan: no clan defined [family: ISK_Channel] (1)

Family: ISK_Channel (1)

Homo sapiens (Human) (1)

ISK_Channel-2k21A01

A:1-129

NMR Structure(hide GO term definitions)

Chain A (Q6FHJ6_HUMAN | Q6FHJ6)

molecular function
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
	GO:0005249	voltage-gated potassium channel activity	Enables the transmembrane transfer of a potassium ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
biological process
	GO:0071320	cellular response to cAMP	Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cAMP (cyclic AMP, adenosine 3',5'-cyclophosphate) stimulus.
	GO:0006811	ion transport	The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0071805	potassium ion transmembrane transport	A process in which a potassium ion is transported from one side of a membrane to the other.
	GO:0006813	potassium ion transport	The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
cellular component
	GO:0016021	integral component of membrane	The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0008076	voltage-gated potassium channel complex	A protein complex that forms a transmembrane channel through which potassium ions may cross a cell membrane in response to changes in membrane potential.

Chain A (KCNE1_HUMAN | P15382)

molecular function
	GO:0005251	delayed rectifier potassium channel activity	Enables the transmembrane transfer of a potassium ion by a delayed rectifying voltage-gated channel. A delayed rectifying current-voltage relation is one where channel activation kinetics are time-dependent, and inactivation is slow.
	GO:0005267	potassium channel activity	Enables the facilitated diffusion of a potassium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.
	GO:0015459	potassium channel regulator activity	Modulates potassium channel activity via direct interaction interaction with a potassium channel (binding or modification).
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
	GO:0031433	telethonin binding	Interacting selectively and non-covalently with telethonin, a protein found in the Z disc of striated muscle and which is a substrate of the titin kinase.
	GO:0005244	voltage-gated ion channel activity	Enables the transmembrane transfer of an ion by a voltage-gated channel. An ion is an atom or group of atoms carrying an electric charge by virtue of having gained or lost one or more electrons. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
	GO:0005249	voltage-gated potassium channel activity	Enables the transmembrane transfer of a potassium ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
	GO:0086008	voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization	Enables the transmembrane transfer of a potassium ion by a voltage-gated channel through the plasma membrane of a cardiac muscle cell contributing to the repolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
	GO:1902282	voltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarization	Enables the transmembrane transfer of a potassium ion by a voltage-gated channel through the plasma membrane of a ventricular cardiomyocyte contributing to the repolarization phase of an action potential. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
biological process
	GO:0061337	cardiac conduction	Transfer of an organized electrical impulse across the heart to coordinate the contraction of cardiac muscles. The process begins with generation of an action potential (in the sinoatrial node (SA) in humans) and ends with a change in the rate, frequency, or extent of the contraction of the heart muscles.
	GO:0086002	cardiac muscle cell action potential involved in contraction	An action potential that occurs in a cardiac muscle cell and is involved in its contraction.
	GO:0071320	cellular response to cAMP	Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cAMP (cyclic AMP, adenosine 3',5'-cyclophosphate) stimulus.
	GO:0006811	ion transport	The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0086009	membrane repolarization	The process in which ions are transported across a membrane such that the membrane potential changes in the repolarizing direction, toward the steady state potential. For example, the repolarization during an action potential is from a positive membrane potential towards a negative resting potential.
	GO:0086011	membrane repolarization during action potential	The process in which ions are transported across a membrane such that the membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential.
	GO:0086013	membrane repolarization during cardiac muscle cell action potential	The process in which ions are transported across a membrane such that the cardiac muscle cell plasma membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential.
	GO:0098915	membrane repolarization during ventricular cardiac muscle cell action potential	The process in which ions are transported across a membrane such that the ventricular cardiomyocyte membrane potential changes in the direction from the positive membrane potential at the peak of the action potential towards the negative resting potential.
	GO:1902260	negative regulation of delayed rectifier potassium channel activity	Any process that stops, prevents or reduces the frequency, rate or extent of delayed rectifier potassium channel activity.
	GO:0090315	negative regulation of protein targeting to membrane	Any process that decreases the frequency, rate or extent of the process of directing proteins towards a membrane, usually using signals contained within the protein.
	GO:1901381	positive regulation of potassium ion transmembrane transport	Any process that activates or increases the frequency, rate or extent of potassium ion transmembrane transport.
	GO:0071435	potassium ion export	The directed movement of potassium ions out of a cell or organelle.
	GO:0071805	potassium ion transmembrane transport	A process in which a potassium ion is transported from one side of a membrane to the other.
	GO:0006813	potassium ion transport	The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0006487	protein N-linked glycosylation	A protein glycosylation process in which a carbohydrate or carbohydrate derivative unit is added to a protein via the N4 atom of peptidyl-asparagine, the omega-N of arginine, or the N1' atom peptidyl-tryptophan.
	GO:0006493	protein O-linked glycosylation	A protein glycosylation process in which a carbohydrate or carbohydrate derivative unit is added to a protein via the hydroxyl group of peptidyl-serine, peptidyl-threonine, peptidyl-hydroxylysine, or peptidyl-hydroxyproline, or via the phenol group of peptidyl-tyrosine, forming an O-glycan.
	GO:1902259	regulation of delayed rectifier potassium channel activity	Any process that modulates the frequency, rate or extent of delayed rectifier potassium channel activity.
	GO:0086091	regulation of heart rate by cardiac conduction	A cardiac conduction process that modulates the frequency or rate of heart contraction.
	GO:0034765	regulation of ion transmembrane transport	Any process that modulates the frequency, rate or extent of the directed movement of ions from one side of a membrane to the other.
	GO:1901379	regulation of potassium ion transmembrane transport	Any process that modulates the frequency, rate or extent of potassium ion transmembrane transport.
	GO:0060307	regulation of ventricular cardiac muscle cell membrane repolarization	Any process that modulates the establishment or extent of a membrane potential in the polarizing direction towards the resting potential in a ventricular cardiomyocyte.
	GO:0007605	sensory perception of sound	The series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound.
	GO:0006810	transport	The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
	GO:0086005	ventricular cardiac muscle cell action potential	An action potential that occurs in a ventricular cardiac muscle cell.
cellular component
	GO:0030018	Z disc	Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
	GO:0016324	apical plasma membrane	The region of the plasma membrane located at the apical end of the cell.
	GO:0009986	cell surface	The external part of the cell wall and/or plasma membrane.
	GO:0016021	integral component of membrane	The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
	GO:0005764	lysosome	A small lytic vacuole that has cell cycle-independent morphology and is found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0045121	membrane raft	Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
	GO:0005886	plasma membrane	The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
	GO:0008076	voltage-gated potassium channel complex	A protein complex that forms a transmembrane channel through which potassium ions may cross a cell membrane in response to changes in membrane potential.

NMR Structure
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(no "Cis Peptide Bonds" information available for 2k21)

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