PHYRE Protein Fold Recognition Server

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Protein Homology/analogY Recognition Engine V 2.2

Fold library entry viewer: c3du1X_

Fold library id	PDB Header	Molecule	Title
c3du1X_	PDB header: structural protein	Chain: X: PDB Molecule: all3740 protein;	PDBTitle: the 2.0 angstrom resolution crystal structure of hetl, a2 pentapeptide repeat protein involved in heterocyst3 differentiation regulation from the cyanobacterium nostoc4 sp. strain pcc 7120

Links to external resources
Added to library: Tue Mar 16 13:42:35 2010

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

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

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

Predicted secondary structure

SS confidence

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

. . . . . . . . . 220 . . . . . . . . . 230 . . . . . . .

Sequence L Q G A D L T G A I L K D A E L K G A I M P D G S I H

Predicted secondary structure

SS confidence

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

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Michael Sternberg

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