PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: c4d01A_

Fold library id	PDB Header	Molecule	Title
c4d01A_	PDB header: signaling protein	Chain: A: PDB Molecule: neuronal acetylcholine receptor subunit alpha-9;	PDBTitle: crystal structure of the extracellular domain of the human2 alpha9 nicotinic acetylcholine receptor

Links to external resources
Added to library: Sat Oct 4 08:18:07 2014

1 . . . . . . . . 10 . . . . . . . . . 20 . . . . . . . . . 30 . . . . . . . . . 40 . . . . . . . . . 50 . . . . . . . . . 60 . . . . . . . . . 70

Sequence D G K Y A Q K L F N D L F E D Y S N A L R P V E D T D K V L N V T L Q I T L S Q I K D M D E R N Q I L T A Y L W I R Q I W H D A Y L T W D R

Predicted secondary structure

SS confidence

Known secondary structure (DSSP)
T S S
T T S
S S T T S
T T T T
G

. . . . . . . . . 80 . . . . . . . . . 90 . . . . . . . . . 100 . . . . . . . . . 110 . . . . . . . . . 120 . . . . . . . . . 130 . . . . . . . . . 140

Sequence D Q Y D G L D S I R I P S D L V W R P D I V L Y N K A D D E E P V N T N V V L R Y D G L I T W D A P A I T K S S C V V D V T Y F P F D N Q Q

Predicted secondary structure

SS confidence

Known secondary structure (DSSP) G G G T T
G G G S
T T B
S
T
S S T T S

. . . . . . . . . 150 . . . . . . . . . 160 . . . . . . . . . 170 . . . . . . . . . 180 . . . . . . . . . 190 . . . . . . . . . 200 . . . . . . . . . 210

Sequence C N L T F G S W T Y N G N Q V D I F N A L D S G D L S D F I E D V E W E V H G M P A V K N V I S Y G C C S E P Y P D V T F T L L L K R R S H

Predicted secondary structure

SS confidence

Known secondary structure (DSSP) S S
T T T S S S B
B
S S
S S
B
T T T

. .

Sequence H H

Predicted secondary structure

SS confidence

Known secondary structure (DSSP)

Download: PDB structure FASTA sequence
Hidden Markov model

Image coloured by rainbow N → C terminus

Interactive 3D view in JSmol

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Accessibility Statement

Please cite: Phyre2.2: A Community Resource for Template-based Protein Structure Prediction

Powell HR et al. Journal of Molecular Biology (2025) in press DOI: https://doi.org/10.1016/j.jmb.2025.168960

© Structural Bioinformatics Group, Imperial College, London

Michael Sternberg

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	1	.	.	.	.	.	.	.	.	10	.	.	.	.	.	.	.	.	.	20	.	.	.	.	.	.	.	.	.	30	.	.	.	.	.	.	.	.	.	40	.	.	.	.	.	.	.	.	.	50	.	.	.	.	.	.	.	.	.	60	.	.	.	.	.	.	.	.	.	70
Sequence	D	G	K	Y	A	Q	K	L	F	N	D	L	F	E	D	Y	S	N	A	L	R	P	V	E	D	T	D	K	V	L	N	V	T	L	Q	I	T	L	S	Q	I	K	D	M	D	E	R	N	Q	I	L	T	A	Y	L	W	I	R	Q	I	W	H	D	A	Y	L	T	W	D	R
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)													T	S	S			T	T	S				S	S	T	T	S																		T	T	T	T																					G
	.	.	.	.	.	.	.	.	.	80	.	.	.	.	.	.	.	.	.	90	.	.	.	.	.	.	.	.	.	100	.	.	.	.	.	.	.	.	.	110	.	.	.	.	.	.	.	.	.	120	.	.	.	.	.	.	.	.	.	130	.	.	.	.	.	.	.	.	.	140
Sequence	D	Q	Y	D	G	L	D	S	I	R	I	P	S	D	L	V	W	R	P	D	I	V	L	Y	N	K	A	D	D	E	E	P	V	N	T	N	V	V	L	R	Y	D	G	L	I	T	W	D	A	P	A	I	T	K	S	S	C	V	V	D	V	T	Y	F	P	F	D	N	Q	Q
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)	G	G	G	T	T								G	G	G	S								T	T	B		S													T																					S	S	T	T	S
	.	.	.	.	.	.	.	.	.	150	.	.	.	.	.	.	.	.	.	160	.	.	.	.	.	.	.	.	.	170	.	.	.	.	.	.	.	.	.	180	.	.	.	.	.	.	.	.	.	190	.	.	.	.	.	.	.	.	.	200	.	.	.	.	.	.	.	.	.	210
Sequence	C	N	L	T	F	G	S	W	T	Y	N	G	N	Q	V	D	I	F	N	A	L	D	S	G	D	L	S	D	F	I	E	D	V	E	W	E	V	H	G	M	P	A	V	K	N	V	I	S	Y	G	C	C	S	E	P	Y	P	D	V	T	F	T	L	L	L	K	R	R	S	H
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)								S	S			T	T	T						S	S	S	B		B		S	S					S	S							B									T	T	T
	.	.
Sequence	H	H
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)