PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: c4xw3B_

Fold library id	PDB Header	Molecule	Title
c4xw3B_	PDB header: hydrolase	Chain: B: PDB Molecule: atp-dependent rna helicase ddx1;	PDBTitle: crystal structure of the spry domain of the human dead-box protein2 ddx1

Links to external resources
Added to library: Sat Sep 12 08:20:10 2015

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

. . . . . . . . . 150 . . . . . . . . . 160 . . . . . . . . . 170 . . . . . . . . . 180 . . . . . . . . . 190 . . . .

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

Predicted secondary structure

SS confidence

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

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