eF-site ID 2vik-A
PDB Code 2vik
Chain A

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Title REFINED STRUCTURE OF THE ACTIN-SEVERING DOMAIN VILLIN 14T, DETERMINED BY SOLUTION NMR, MINIMIZED AVERAGE STRUCTURE
Classification ACTIN-BINDING PROTEIN
Compound VILLIN 14T
Source Gallus gallus (Chicken) (VILI_CHICK)
Sequence A:  VELSKKVTGKLDKTTPGIQIWRIENMEMVPVPTKSYGNFY
EGDCYVLLSTRKTGSGFSYNIHYWLGKNSSQDEQGAAAIY
TTQMDEYLGSVAVQHREVQGHESETFRAYFKQGLIYKQGG
VASGMK
Description (1)  VILLIN 14T


Functional site

1) chain A
residue 79
type
sequence I
description CENTER OF ACTIN MONOMER BINDING SITE, BASED ON COMPARISON WITH THE GELSOLIN SEGMENT 1-ACTIN COCRYSTAL (CENTERED ON ILE 79).
source : ACT

2) chain A
residue 43
type
sequence D
description SIDE CHAINS THAT PROVIDE LIGANDS TO CALCIUM IN THE STRONGER BINDING SITE, BASED ON COMPARISON TO GELSOLIN SEGMENT 1 AND CALCIUM TITRATIONS MONITORED BY NMR. NOTE THIS CORRESPONDS TO THE INTRAMOLECULAR SITE IN THE GELSOLIN SEGMENT 1-ACTIN CO-CRYSTAL (ASP 43, GLU 73).
source : CA1

3) chain A
residue 73
type
sequence E
description SIDE CHAINS THAT PROVIDE LIGANDS TO CALCIUM IN THE STRONGER BINDING SITE, BASED ON COMPARISON TO GELSOLIN SEGMENT 1 AND CALCIUM TITRATIONS MONITORED BY NMR. NOTE THIS CORRESPONDS TO THE INTRAMOLECULAR SITE IN THE GELSOLIN SEGMENT 1-ACTIN CO-CRYSTAL (ASP 43, GLU 73).
source : CA1

4) chain A
residue 85
type
sequence D
description SIDE CHAIN THAT PROVIDES LIGANDS TO CALCIUM IN THE WEAKER BINDING SITE, BASED ON COMPARISON TO GELSOLIN SEGMENT 1 AND CALCIUM TITRATIONS MONITORED BY NMR. NOTE THIS CORRESPONDS TO THE INTERMOLECULAR SITE IN THE GELSOLIN SEGMENT 1-ACTIN CO-CRYSTAL (ASP 85).
source : CA2

5) chain A
residue 111
type BINDING
sequence K
description BINDING => ECO:0000250
source Swiss-Prot : SWS_FT_FI1


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