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Asym./Biol. Unit (Jmol Viewer)

Asym./Biol. Unit - sites (Jmol Viewer)

Title :   1.35 A CRYSTAL STRUCTURE OF THE NAV1.5 DIII-IV-CA/CAM COMPLEX

Authors :   M. F. Sarhan, C. -C. Tung, F Van Petegem, C. A. Ahern

Date :   01 Feb 12 (Deposition) - 22 Feb 12 (Release) - 21 Mar 12 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.35

Chains :   Asym./Biol. Unit : A,B

Keywords :   Ef-Hand, Calcium-Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   M. F. Sarhan, C. C. Tung, F. Van Petegem, C. A. Ahern
Crystallographic Basis For Calcium Regulation Of Sodium Channels.
Proc. Natl. Acad. Sci. Usa V. 109 3558 2012
PubMed-ID: 22331908 | Reference-DOI: 10.1073/PNAS.1114748109

Molecule 1 - CALMODULIN
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, CAM3, CAMC, CAMIII
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	CAM

Molecule 2 - SODIUM CHANNEL PROTEIN TYPE 5 SUBUNIT ALPHA
	Chains	:	B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Gene	:	SCN5A
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	HH1, SODIUM CHANNEL PROTEIN CARDIAC MUSCLE SUBUNIT ALPHA, SODIUM CHANNEL PROTEIN TYPE V SUBUNIT ALPHA, VOLTAGE-GATED SODIUM CHANNEL SUBUNIT ALPHA NAV1.5

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (2, 13)

No.	Name	Count	Type	Full Name
1	CA	4	Ligand/Ion	CALCIUM ION
2	IPA	9	Ligand/Ion	ISOPROPYL ALCOHOL

Asymmetric Unit (12, 12)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	ASP A:21 , ASP A:23 , ASP A:25 , THR A:27 , GLU A:32 , HOH A:346	BINDING SITE FOR RESIDUE CA A 201
02	AC2	SOFTWARE	ASP A:57 , ASP A:59 , ASN A:61 , THR A:63 , GLU A:68 , HOH A:344	BINDING SITE FOR RESIDUE CA A 202
03	AC3	SOFTWARE	ASP A:94 , ASP A:96 , ASN A:98 , TYR A:100 , GLU A:105 , HOH A:316	BINDING SITE FOR RESIDUE CA A 203
04	AC4	SOFTWARE	ASP A:130 , ASP A:132 , ASP A:134 , GLN A:136 , GLU A:141 , HOH A:348	BINDING SITE FOR RESIDUE CA A 204
05	AC5	SOFTWARE	LYS A:14 , PHE A:66 , ASP A:134	BINDING SITE FOR RESIDUE IPA A 205
06	AC6	SOFTWARE	ALA A:47 , ASP A:123 , HOH A:383	BINDING SITE FOR RESIDUE IPA A 206
07	AC7	SOFTWARE	TYR A:100 , HOH A:302	BINDING SITE FOR RESIDUE IPA A 207
08	AC8	SOFTWARE	THR A:30 , LYS A:31 , ASP A:59 , GLY A:60 , ASP A:96 , ASN A:98	BINDING SITE FOR RESIDUE IPA A 208
09	AC9	SOFTWARE	ILE A:64 , MET A:72	BINDING SITE FOR RESIDUE IPA A 209
10	BC1	SOFTWARE	GLY A:24 , ARG A:127 , GLY A:135	BINDING SITE FOR RESIDUE IPA A 210
11	BC2	SOFTWARE	THR A:30 , GLN A:50 , ALA A:58 , HOH A:364 , HOH A:450	BINDING SITE FOR RESIDUE IPA A 212
12	BC3	SOFTWARE	MET A:37 , GLN A:42 , GLU A:48	BINDING SITE FOR RESIDUE IPA A 213

(no "SS Bond" information available for 4DJC)

(no "Cis Peptide Bond" information available for 4DJC)

Asymmetric/Biological Unit (22, 22)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
01	UniProt	VAR_069222	N	54	I	CALM1_HUMAN	Disease (CPVT4)	267607276	A	N	54	I
02	UniProt	VAR_073275	F	90	L	CALM1_HUMAN	Disease (LQT14)	730882253	A	F	90	L
03	UniProt	VAR_073276	D	96	V	CALM2_HUMAN	Disease (LQT15)	730882254	A	D	96	V
04	UniProt	VAR_073277	N	98	I	CALM2_HUMAN	Disease (LQT15)	398124647	A	N	98	I
05	UniProt	VAR_078541	N	98	S	CALM1_HUMAN	Disease (CPVT4)	398124647	A	N	98	S
06	UniProt	VAR_078543	N	98	S	CALM2_HUMAN	Disease (LQT15)	398124647	A	N	98	S
07	UniProt	VAR_078261	A	103	V	CALM3_HUMAN	Disease	---	A	A	103	V
08	UniProt	VAR_078542	D	130	G	CALM1_HUMAN	Disease (LQT14)	730882252	A	D	130	G
09	UniProt	VAR_078544	D	130	G	CALM2_HUMAN	Disease (LQT15)	730882252	A	D	130	G
10	UniProt	VAR_078262	D	130	V	CALM2_HUMAN	Disease (LQT15)	---	A	D	130	V
11	UniProt	VAR_073279	D	132	E	CALM2_HUMAN	Disease (LQT15)	398124648	A	D	132	E
12	UniProt	VAR_073280	D	134	H	CALM2_HUMAN	Disease (LQT15)	398124650	A	D	134	H
13	UniProt	VAR_073281	Q	136	P	CALM2_HUMAN	Disease (LQT15)	398124649	A	Q	136	P
14	UniProt	VAR_078263	E	141	G	CALM1_HUMAN	Disease (LQT14)	---	A	E	141	G
15	UniProt	VAR_073282	F	142	L	CALM1_HUMAN	Disease (LQT14)	11551462	A	F	142	L
16	UniProt	VAR_074742	K	1493	R	SCN5A_HUMAN	Unclassified (LQT3)	199473260	B	K	1493	R
17	UniProt	VAR_055196	Y	1494	N	SCN5A_HUMAN	Disease (BRGDA1)	199473261	B	Y	1494	N
18	UniProt	VAR_074743	Y	1495	S	SCN5A_HUMAN	Unclassified (LQT3)	199473262	B	Y	1495	S
19	UniProt	VAR_074744	M	1498	T	SCN5A_HUMAN	Unclassified	199473263	B	M	1498	T
20	UniProt	VAR_074745	M	1498	V	SCN5A_HUMAN	Unclassified (LQT3)	199473264	B	M	1498	V
21	UniProt	VAR_008957	K	1500	N	SCN5A_HUMAN	Polymorphism	199473265	B	K	1500	N
22	UniProt	VAR_009936	L	1501	V	SCN5A_HUMAN	Disease (LQT3)	199473266	B	L	1501	V

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

Asymmetric/Biological Unit (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	EF_HAND_2	PS50222	EF-hand calcium-binding domain profile.	CALM1_HUMAN	8-43 44-79 81-116 117-149	4	A:8-43 A:44-79 A:81-116 A:117-149
				CALM2_HUMAN	8-43 44-79 81-116 117-149	4	A:8-43 A:44-79 A:81-116 A:117-149
				CALM3_HUMAN	8-43 44-79 81-116 117-149	4	A:8-43 A:44-79 A:81-116 A:117-149
2	EF_HAND_1	PS00018	EF-hand calcium-binding domain.	CALM1_HUMAN	21-33 57-69 94-106 130-142	4	A:21-33 A:57-69 A:94-106 A:130-142
				CALM2_HUMAN	21-33 57-69 94-106 130-142	4	A:21-33 A:57-69 A:94-106 A:130-142
				CALM3_HUMAN	21-33 57-69 94-106 130-142	4	A:21-33 A:57-69 A:94-106 A:130-142

(no "Exon" information available for 4DJC)

Asymmetric/Biological 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:151
 aligned with CALM1_HUMAN | P0DP23 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:151
                              1                                                                                                                                                    
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148 
         CALM1_HUMAN      - --MADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK  149
               SCOP domains d4djca_ A: Calmodulin                                                                                                                                   SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhh.....eehhhhhhhhhhhh....hhhhhhhhhhhhh......eehhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eehhhhhhhhhhhh....hhhhhhhhhhhhh......eehhhhhhhhh.. Sec.struct. author
             SAPs(SNPs) (1) -------------------------------------------------------I-----------------------------------L-----V-I----V--------------------------G-E-H-P----GL------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ---------------------------------------------------------------------------------------------------S-------------------------------G------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) ---------------------------------------------------------------------------------------------------S-------------------------------V------------------- SAPs(SNPs) (3)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------EF_HAND_2  PDB: A:8-43 UniProt: 8-43EF_HAND_2  PDB: A:44-79             -EF_HAND_2  PDB: A:81-116            EF_HAND_2  PDB: A:117-149         PROSITE (3)
                PROSITE (4) ----------------------EF_HAND_1    -----------------------EF_HAND_1    ------------------------EF_HAND_1    -----------------------EF_HAND_1    ------- PROSITE (4)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4djc A   -1 NAMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK  149
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148

Chain A from PDB  Type:PROTEIN  Length:151
 aligned with CALM2_HUMAN | P0DP24 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:151
                              1                                                                                                                                                    
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148 
         CALM2_HUMAN      - --MADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK  149
               SCOP domains d4djca_ A: Calmodulin                                                                                                                                   SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhh.....eehhhhhhhhhhhh....hhhhhhhhhhhhh......eehhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eehhhhhhhhhhhh....hhhhhhhhhhhhh......eehhhhhhhhh.. Sec.struct. author
             SAPs(SNPs) (1) -------------------------------------------------------I-----------------------------------L-----V-I----V--------------------------G-E-H-P----GL------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ---------------------------------------------------------------------------------------------------S-------------------------------G------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) ---------------------------------------------------------------------------------------------------S-------------------------------V------------------- SAPs(SNPs) (3)
                PROSITE (2) ---------EF_HAND_2  PDB: A:8-43 UniProt: 8-43EF_HAND_2  PDB: A:44-79             -EF_HAND_2  PDB: A:81-116            EF_HAND_2  PDB: A:117-149         PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) ----------------------EF_HAND_1    -----------------------EF_HAND_1    ------------------------EF_HAND_1    -----------------------EF_HAND_1    ------- PROSITE (5)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4djc A   -1 NAMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK  149
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148

Chain A from PDB  Type:PROTEIN  Length:151
 aligned with CALM3_HUMAN | P0DP25 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:151
                              1                                                                                                                                                    
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148 
         CALM3_HUMAN      - --MADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK  149
               SCOP domains d4djca_ A: Calmodulin                                                                                                                                   SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhh.....eehhhhhhhhhhhh....hhhhhhhhhhhhh......eehhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eehhhhhhhhhhhh....hhhhhhhhhhhhh......eehhhhhhhhh.. Sec.struct. author
             SAPs(SNPs) (1) -------------------------------------------------------I-----------------------------------L-----V-I----V--------------------------G-E-H-P----GL------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ---------------------------------------------------------------------------------------------------S-------------------------------G------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) ---------------------------------------------------------------------------------------------------S-------------------------------V------------------- SAPs(SNPs) (3)
                PROSITE (1) ---------EF_HAND_2  PDB: A:8-43 UniProt: 8-43EF_HAND_2  PDB: A:44-79             -EF_HAND_2  PDB: A:81-116            EF_HAND_2  PDB: A:117-149         PROSITE (1)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) ----------------------EF_HAND_1    -----------------------EF_HAND_1    ------------------------EF_HAND_1    -----------------------EF_HAND_1    ------- PROSITE (6)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4djc A   -1 NAMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK  149
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148

Chain B from PDB  Type:PROTEIN  Length:13
 aligned with SCN5A_HUMAN | Q14524 from UniProtKB/Swiss-Prot  Length:2016

    Alignment length:28
                                  1483      1493        
         SCN5A_HUMAN   1474 NQQKKKLGGQDIFMTEEQKKYYNAMKKL 1501
               SCOP domains ---------------------------- SCOP domains
               CATH domains ---------------------------- CATH domains
               Pfam domains ---------------------------- Pfam domains
         Sec.struct. author .---------------hhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) -------------------RNS--T-NV SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------------V--- SAPs(SNPs) (2)
                    PROSITE ---------------------------- PROSITE
                 Transcript ---------------------------- Transcript
                4djc B 1489 N---------------AQKKYYNAMKKL 1501
                            |        -      1493        
                         1489            1490

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/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All alpha proteins (14657)

Fold: EF Hand-like (739)

Superfamily: EF-hand (657)

Family: Calmodulin-like (356)

Protein domain: Calmodulin (152)

Human (Homo sapiens) [TaxId: 9606] (74)

d4djca_

(no "CATH Domain" information available for 4DJC)

(no "Pfam Domain" information available for 4DJC)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (CALM2_HUMAN | P0DP24)

Chain A (CALM1_HUMAN | P0DP23)

Chain A (CALM3_HUMAN | P0DP25)

Chain B (SCN5A_HUMAN | Q14524)

molecular function
	GO:0030506	ankyrin binding	Interacting selectively and non-covalently with ankyrin, a 200 kDa cytoskeletal protein that attaches other cytoskeletal proteins to integral membrane proteins.
	GO:0005516	calmodulin binding	Interacting selectively and non-covalently with calmodulin, a calcium-binding protein with many roles, both in the calcium-bound and calcium-free states.
	GO:0019899	enzyme binding	Interacting selectively and non-covalently with any enzyme.
	GO:0017134	fibroblast growth factor binding	Interacting selectively and non-covalently with a fibroblast growth factor.
	GO:0005216	ion channel activity	Enables the facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. May be either selective (it enables passage of a specific ion only) or non-selective (it enables passage of two or more ions of same charge but different size).
	GO:0044325	ion channel binding	Interacting selectively and non-covalently with one or more specific sites on an ion channel, a protein complex that spans a membrane and forms a water-filled channel across the phospholipid bilayer allowing selective ion transport down its electrochemical gradient.
	GO:0050998	nitric-oxide synthase binding	Interacting selectively and non-covalently with the enzyme nitric-oxide synthase.
	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:0019904	protein domain specific binding	Interacting selectively and non-covalently with a specific domain of a protein.
	GO:0019901	protein kinase binding	Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
	GO:0097110	scaffold protein binding	Interacting selectively and non-covalently with a scaffold protein. Scaffold proteins are crucial regulators of many key signaling pathways. Although not strictly defined in function, they are known to interact and/or bind with multiple members of a signaling pathway, tethering them into complexes.
	GO:0005272	sodium channel activity	Enables the facilitated diffusion of a sodium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.
	GO:0031625	ubiquitin protein ligase binding	Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
	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:0005248	voltage-gated sodium channel activity	Enables the transmembrane transfer of a sodium 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:0086060	voltage-gated sodium channel activity involved in AV node cell action potential	Enables the transmembrane transfer of a sodium ion by a voltage-gated channel through the plasma membrane of an AV node cardiac muscle cell contributing to the depolarization 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:0086062	voltage-gated sodium channel activity involved in Purkinje myocyte action potential	Enables the transmembrane transfer of a sodium ion by a voltage-gated channel through the plasma membrane of a Purkinje myocyte contributing to the depolarization 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:0086063	voltage-gated sodium channel activity involved in SA node cell action potential	Enables the transmembrane transfer of a sodium ion by a voltage-gated channel through the plasma membrane of an SA node cardiac muscle cell contributing to the depolarization 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:0086061	voltage-gated sodium channel activity involved in bundle of His cell action potential	Enables the transmembrane transfer of a sodium ion by a voltage-gated channel through the plasma membrane of a bundle of His cardiac muscle cell contributing to the depolarization 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:0086006	voltage-gated sodium channel activity involved in cardiac muscle cell action potential	Enables the transmembrane transfer of a sodium ion by a voltage-gated channel through the plasma membrane of a cardiac muscle cell contributing to the depolarization 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:0086016	AV node cell action potential	An action potential that occurs in an atrioventricular node cardiac muscle cell.
	GO:0086067	AV node cell to bundle of His cell communication	The process that mediates interactions between an AV node cell and its surroundings that contributes to the process of the AV node cell communicating with a bundle of His cell in cardiac conduction. Encompasses interactions such as signaling or attachment between one cell and another cell, between a cell and an extracellular matrix, or between a cell and any other aspect of its environment.
	GO:0086015	SA node cell action potential	An action potential that occurs in a sinoatrial node cardiac muscle cell.
	GO:0003360	brainstem development	The progression of the brainstem from its formation to the mature structure. The brainstem is the part of the brain that connects the brain with the spinal cord.
	GO:0086043	bundle of His cell action potential	An action potential that occurs in a bundle of His cell.
	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:0060048	cardiac muscle contraction	Muscle contraction of cardiac muscle tissue.
	GO:0003231	cardiac ventricle development	The process whose specific outcome is the progression of a cardiac ventricle over time, from its formation to the mature structure. A cardiac ventricle receives blood from a cardiac atrium and pumps it out of the heart.
	GO:0071277	cellular response to calcium ion	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 calcium ion stimulus.
	GO:0021549	cerebellum development	The process whose specific outcome is the progression of the cerebellum over time, from its formation to the mature structure. The cerebellum is the portion of the brain in the back of the head between the cerebrum and the pons. In mice, the cerebellum controls balance for walking and standing, modulates the force and range of movement and is involved in the learning of motor skills.
	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:0051899	membrane depolarization	The process in which membrane potential decreases with respect to its steady-state potential, usually from negative potential to a more positive potential. For example, the initial depolarization during the rising phase of an action potential is in the direction from the negative steady-state resting potential towards the positive membrane potential that will be the peak of the action potential.
	GO:0086045	membrane depolarization during AV node cell action potential	The process in which AV node cardiac muscle cell membrane potential changes in the depolarizing direction from the negative resting potential towards the positive membrane potential that will be the peak of the action potential.
	GO:0086047	membrane depolarization during Purkinje myocyte cell action potential	The process in which Purkinje myocyte membrane potential changes in the depolarizing direction from the negative resting potential towards the positive membrane potential that will be the peak of the action potential.
	GO:0086046	membrane depolarization during SA node cell action potential	The process in which SA node cardiac muscle cell membrane potential changes in the depolarizing direction from the negative resting potential towards the positive membrane potential that will be the peak of the action potential.
	GO:0086010	membrane depolarization during action potential	The process in which membrane potential changes in the depolarizing direction from the negative resting potential towards the positive membrane potential that will be the peak of the action potential.
	GO:0086048	membrane depolarization during bundle of His cell action potential	The process in which bundle of His cardiac muscle cell membrane potential changes in the depolarizing direction from the negative resting potential towards the positive membrane potential that will be the peak of the action potential.
	GO:0086012	membrane depolarization during cardiac muscle cell action potential	The process in which cardiac muscle cell membrane potential changes in the depolarizing direction from the negative resting potential towards the positive membrane potential that will be the peak of the action potential.
	GO:0019228	neuronal action potential	An action potential that occurs in a neuron.
	GO:0042475	odontogenesis of dentin-containing tooth	The process whose specific outcome is the progression of a dentin-containing tooth over time, from its formation to the mature structure. A dentin-containing tooth is a hard, bony organ borne on the jaw or other bone of a vertebrate, and is composed mainly of dentin, a dense calcified substance, covered by a layer of enamel.
	GO:0045760	positive regulation of action potential	Any process that activates or increases the frequency, rate or extent of action potential creation, propagation or termination. This typically occurs via modulation of the activity or expression of voltage-gated ion channels.
	GO:0050679	positive regulation of epithelial cell proliferation	Any process that activates or increases the rate or extent of epithelial cell proliferation.
	GO:0010765	positive regulation of sodium ion transport	Any process that increases the frequency, rate or extent of the directed movement of sodium ions (Na+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0060371	regulation of atrial cardiac muscle cell membrane depolarization	Any process that modulates the establishment or extent of a membrane potential in the depolarizing direction away from the resting potential in an atrial cardiomyocyte.
	GO:0060372	regulation of atrial 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 an atrial cardiomyocyte.
	GO:0086004	regulation of cardiac muscle cell contraction	Any process that modulates the frequency, rate or extent of cardiac muscle cell contraction.
	GO:0002027	regulation of heart rate	Any process that modulates the frequency or rate of heart contraction.
	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:0060078	regulation of postsynaptic membrane potential	Any process that modulates the potential difference across a post-synaptic membrane.
	GO:1902305	regulation of sodium ion transmembrane transport	Any process that modulates the frequency, rate or extent of sodium ion transmembrane transport.
	GO:0060373	regulation of ventricular cardiac muscle cell membrane depolarization	Any process that modulates the establishment or extent of a membrane potential in the depolarizing direction away from the resting potential in a ventricular cardiomyocyte.
	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:0014894	response to denervation involved in regulation of muscle adaptation	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a denervation stimulus. This process occurs as part of the regulation of muscle adaptation.
	GO:0035725	sodium ion transmembrane transport	A process in which a sodium ion is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
	GO:0006814	sodium ion transport	The directed movement of sodium ions (Na+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0021537	telencephalon development	The process whose specific outcome is the progression of the telencephalon over time, from its formation to the mature structure. The telencephalon is the paired anteriolateral division of the prosencephalon plus the lamina terminalis from which the olfactory lobes, cerebral cortex, and subcortical nuclei are derived.
	GO:0055085	transmembrane transport	The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other
	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:0030315	T-tubule	Invagination of the plasma membrane of a muscle cell that extends inward from the cell surface around each myofibril. The ends of T-tubules make contact with the sarcoplasmic reticulum membrane.
	GO:0030018	Z disc	Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
	GO:0005901	caveola	A membrane raft that forms small pit, depression, or invagination that communicates with the outside of a cell and extends inward, indenting the cytoplasm and the cell membrane. Examples include flask-shaped invaginations of the plasma membrane in adipocytes associated with caveolin proteins, and minute pits or incuppings of the cell membrane formed during pinocytosis. Caveolae may be pinched off to form free vesicles within the cytoplasm.
	GO:0009986	cell surface	The external part of the cell wall and/or plasma membrane.
	GO:0005783	endoplasmic reticulum	The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
	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:0014704	intercalated disc	A complex cell-cell junction at which myofibrils terminate in cardiomyocytes; mediates mechanical and electrochemical integration between individual cardiomyocytes. The intercalated disc contains regions of tight mechanical attachment (fasciae adherentes and desmosomes) and electrical coupling (gap junctions) between adjacent cells.
	GO:0005622	intracellular	The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
	GO:0016328	lateral plasma membrane	The portion of the plasma membrane at the lateral side of the cell. In epithelial cells, lateral plasma membranes are on the sides of cells which lie at the interface of adjacent cells.
	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:0042383	sarcolemma	The outer membrane of a muscle cell, consisting of the plasma membrane, a covering basement membrane (about 100 nm thick and sometimes common to more than one fiber), and the associated loose network of collagen fibers.
	GO:0001518	voltage-gated sodium channel complex	A sodium channel in a cell membrane whose opening is governed by the membrane potential.

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(no "Related Entries Specified in the PDB File" available for 4DJC)

Description

Compounds

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Ligands, Modified Residues, Ions (2, 13)

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