PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: c4xy3A_

Fold library id	PDB Header	Molecule	Title
c4xy3A_	PDB header: protein transport	Chain: A: PDB Molecule: esx-1 secretion-associated protein espb;	PDBTitle: structure of esx-1 secreted protein espb

Links to external resources
Added to library: Sat Feb 21 08:15:33 2015

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

. . . . . . . . . 220 . . . . . . . . . 230 . . . . . . . . . 240 . . .

Sequence A E Y Q Q R S E K V L T E Y N N K A A L E P V N P P K P P P A I K

Predicted secondary structure

SS confidence

Known secondary structure (DSSP) T

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	T	V	D	Q	Q	E	I	L	N	R	A	N	E	V	E	A	P	M	A	D	P	P	T	D	V	P	I	T	P	C	E	L	T	A	A	K	N	A	A	Q	Q	L	V	L	S	A	D	N	M	R	E	Y	L	A	A	G	A	K	E	R	Q	R	L	A	T	S	L	R	N	A
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)		B													T	S													S	S	S	S
	.	.	.	.	.	.	.	.	.	80	.	.	.	.	.	.	.	.	.	90	.	.	.	.	.	.	.	.	.	100	.	.	.	.	.	.	.	.	.	110	.	.	.	.	.	.	.	.	.	120	.	.	.	.	.	.	.	.	.	130	.	.	.	.	.	.	.	.	.	140
Sequence	A	K	A	Y	E	L	T	D	T	P	R	V	A	T	A	G	E	P	N	F	M	D	L	K	E	A	A	R	K	L	E	T	G	D	Q	G	A	S	L	A	H	F	A	D	G	W	N	T	F	N	L	T	L	Q	G	D	V	K	R	F	R	G	F	D	N	W	E	G	D	A
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)																S	S															S	S		T	T																		T	T			G	G	G				S	S	B
	.	.	.	.	.	.	.	.	.	150	.	.	.	.	.	.	.	.	.	160	.	.	.	.	.	.	.	.	.	170	.	.	.	.	.	.	.	.	.	180	.	.	.	.	.	.	.	.	.	190	.	.	.	.	.	.	.	.	.	200	.	.	.	.	.	.	.	.	.	210
Sequence	A	T	A	C	E	A	S	L	D	Q	Q	R	Q	W	I	L	H	M	A	K	L	S	A	A	M	A	K	Q	A	Q	Y	V	A	Q	L	H	V	W	A	R	R	E	H	P	T	Y	E	D	I	V	G	L	E	R	L	Y	A	E	N	P	S	A	R	D	Q	I	L	P	V	Y
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)																																											S														T	T		T	T	T
	.	.	.	.	.	.	.	.	.	220	.	.	.	.	.	.	.	.	.	230	.	.	.	.	.	.	.	.	.	240	.	.	.
Sequence	A	E	Y	Q	Q	R	S	E	K	V	L	T	E	Y	N	N	K	A	A	L	E	P	V	N	P	P	K	P	P	P	A	I	K
Predicted secondary structure
SS confidence
Known secondary structure (DSSP)																		T