3FB5 - JenaLib

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Title :   KCSA POTASSIUM CHANNEL IN THE PARTIALLY OPEN STATE WITH 14.5 A OPENING AT T112

Authors :   L. G. Cuello, V. Jogini, D. M. Cortes, E. Perozo

Date :   18 Nov 08 (Deposition) - 19 May 10 (Release) - 09 Feb 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.80

Chains :   Asym. Unit : A,B,C
Biol. Unit 1: A,B,C  (4x)
Biol. Unit 2: A,B,C  (1x)

Keywords :   Kcsa, Open, Inactivation, Potassium Channel, Cell Membrane, Ion Transport, Ionic Channel, Membrane, Transmembrane, Transport, Voltage-Gated Channel, Membrane Protein-Metal Transport Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   L. G. Cuello, V. Jogini, D. M. Cortes, E. Perozo
Kcsa Potassium Channel In The Partially Open State With 14. A Opening At T112
To Be Published
PubMed: search

Molecule 1 - ANTIBODY FAB FRAGMENT HEAVY CHAIN
	Chains	:	A
	Organism Scientific	:	MUS MUSCULUS
	Organism Taxid	:	10090

Molecule 2 - ANTIBODY FAB FRAGMENT LIGHT CHAIN
	Chains	:	B
	Organism Scientific	:	MUS MUSCULUS
	Organism Taxid	:	10090

Molecule 3 - VOLTAGE-GATED POTASSIUM CHANNEL
	Chains	:	C
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	XL10-GOLD
	Expression System Taxid	:	562
	Expression System Vector	:	PQE70
	Expression System Vector Type	:	PLASMID
	Fragment	:	UNP RESIDUES 21-124
	Gene	:	KCSA, SKC1
	Mutation	:	YES
	Organism Scientific	:	STREPTOMYCES LIVIDANS
	Organism Taxid	:	1916

		1	2	3
Asymmetric Unit	:	A	B	C
Biological Unit 1 (4x)	:	A	B	C
Biological Unit 2 (1x)	:	A	B	C

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 6)

No.	Name	Count	Type	Full Name
1	K	6	Ligand/Ion	POTASSIUM ION

Biological Unit 1 (0, 0)

No.	Name	Count	Type	Full Name
1	K	-1	Ligand/Ion	POTASSIUM ION

Biological Unit 2 (0, 0)

No.	Name	Count	Type	Full Name
1	K	-1	Ligand/Ion	POTASSIUM ION

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	K C:4 , TYR C:78	BINDING SITE FOR RESIDUE K C 3
2	AC2	SOFTWARE	K C:3 , K C:5 , VAL C:76 , GLY C:77	BINDING SITE FOR RESIDUE K C 4
3	AC3	SOFTWARE	K C:4 , K C:6 , THR C:75 , VAL C:76	BINDING SITE FOR RESIDUE K C 5
4	AC4	SOFTWARE	K C:5 , THR C:75	BINDING SITE FOR RESIDUE K C 6

Asymmetric Unit

No.	Residues
1	A:22	-	A:96
2	A:145	-	A:200
3	B:23	-	B:88
4	B:134	-	B:194

Asymmetric Unit

No.	Residues
1	Phe A:151	-	Pro A:152
2	Glu A:153	-	Pro A:154
3	Trp A:193	-	Pro A:194
4	Ser B:7	-	Pro B:8
5	Trp B:94	-	Pro B:95
6	Tyr B:140	-	Pro B:141

(no "SAP(SNP)/Variant" information available for 3FB5)

(no "PROSITE Motif" information available for 3FB5)

(no "Exon" information available for 3FB5)

Asymmetric Unit

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:219
                                                                                                                                                                                                                                                           
               SCOP domains d3fb5a1 A:1-118 Immunoglobulin heavy chain variable domain, VH                                                        d3fb5a2 A:119-219 Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma                       SCOP domains
               CATH domains 3fb5A01 A:1-118 Immunoglobulins                                                                                       3fb5A02 A:119-217 Immunoglobulins                                                                  -- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........eeee.....eeeeee.........eeeeeee......eeeeee......eee.......eeeeee....eeeeee...hhhhheeeeeeee.....eeee...eeeee........eeeee..........eeeeeeeeeee.....eeee........eee...eee..eeeeeeeeeee..........eeeeehhhheee........ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3fb5 A   1 QVQLQQPGAELVKPGASVKLSCKASGYTFTSDWIHWVKQRPGHGLEWIGEIIPSYGRANYNEKIQKKATLTADKSSSTAFMQLSSLTSEDSAVYYCARERGDGYFAVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRD 219
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210

Chain B from PDB  Type:PROTEIN  Length:212
                                                                                                                                                                                                                                                    
               SCOP domains d3fb5b1 B:1-107 Immunoglobulin light chain kappa variable domain, VL-kappa                                 d3fb5b2 B:108-212 Immunoglobulin light chain kappa constant domain, CL-kappa                              SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------3fb5B02 B:109-211 Immunoglobulins                                                                      - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee...eeee....eeeeeeee.......eeeeee......eeee.............eeeeee..eeeeeee..hhhhh.eeeeee......ee...eeeee.......eeeee..hhhhhh..eeeeeeeeeee.....eeeeee..eee...ee............eeeeeeeeeehhhhhh..eeeeeeee..eeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3fb5 B   1 DILLTQSPAILSVSPGERVSFSCRASQSIGTDIHWYQQRTNGSPRLLIKYASESISGIPSRFSGSGSGTDFTLSINSVESEDIANYYCQQSNRWPFTFGSGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRN 212
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210

Chain C from PDB  Type:PROTEIN  Length:90
 aligned with KCSA_STRLI | P0A334 from UniProtKB/Swiss-Prot  Length:160

    Alignment length:90
                                    34        44        54        64        74        84        94       104       114
           KCSA_STRLI    25 HWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGDLYPVTLWGRLVAVVVMVAGITSFGLVTAALATWF 114
               SCOP domains d3fb5c_ C: Potassium channel protein                                                       SCOP domains
               CATH domains 3fb5C00 C:25-114  [code=1.10.287.70, no name defined]                                      CATH domains
               Pfam domains ------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------ Transcript
                 3fb5 C  25 QWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGDLYPVTLWGRCVAVVVMVAGITSFGLVTAALATWF 114
                                    34        44        54        64        74        84        94       104       114

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 '\|'

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: Helix Hairpins (718)

Homologous Superfamily: [code=1.10.287.70, no name defined] (106)

Mus musculus. Organism_taxid: 10090. Mus musculus. Organism_taxid: 10090. (8)

3fb5C00

C:25-114

Class: Mainly Beta (13760)

Architecture: Sandwich (5577)

Topology: Immunoglobulin-like (3897)

Homologous Superfamily: Immunoglobulins (2282)

Mus musculus. Organism_taxid: 10090. Mus musculus. Organism_taxid: 10090. (10)

2a	3fb5B02	B:109-211
2b	3fb5A02	A:119-217
2c	3fb5A01	A:1-118

(no "Pfam Domain" information available for 3FB5)

Asymmetric Unit(hide GO term definitions)

Chain C (KCSA_STRLI | P0A334)

molecular function
	GO:0042802	identical protein binding	Interacting selectively and non-covalently with an identical protein or proteins.
	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: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.
	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.
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: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.

Asymmetric Unit
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	Cis Peptide Bonds
		Glu A:153 - Pro A:154	[ RasMol ]
		Phe A:151 - Pro A:152	[ RasMol ]
		Ser B:7 - Pro B:8	[ RasMol ]
		Trp A:193 - Pro A:194	[ RasMol ]
		Trp B:94 - Pro B:95	[ RasMol ]
		Tyr B:140 - Pro B:141	[ RasMol ]

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	3fb5
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3f5w	KCSA POTASSIUM CHANNEL IN THE OPEN-INACTIVATED STATE WITH 32 A OPENING AT T112
3f7v	KCSA POTASSIUM CHANNEL IN THE OPEN-INACTIVATED STATE WITH 23 A OPENING AT T112
3f7y	KCSA POTASSIUM CHANNEL IN THE PARTIALLY OPEN STATE WITH 17 A OPENING AT T112
3fb6	KCSA POTASSIUM CHANNEL IN THE PARTIALLY OPEN STATE WITH 16 A OPENING AT T112
3fb7	OPEN KCSA POTASSIUM CHANNEL IN THE PRESENCE OF RB+ ION
3fb8	KCSA POTASSIUM CHANNEL IN THE OPEN-CONDUCTIVE STATE WITH 20 A OPENING AT T112 IN THE PRESENCE OF RB+ ION

Description

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SS Bonds (4, 4)

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