eF-site ID 1cy9-B
PDB Code 1cy9
Chain B

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Title CRYSTAL STRUCTURE OF THE 30 KDA FRAGMENT OF E. COLI DNA TOPOISOMERASE I. MONOCLINIC FORM
Classification ISOMERASE
Compound DNA TOPOISOMERASE I
Source (TOP1_ECOLI)
Sequence B:  PEEFWEVDASTTTPSGEALALQVTHQNDKPFRPVNKEQTQ
AAVSLLEKARYSVLEREDKPTTSKPGAPFITSTLQQAAST
RLGFGVKKTMMMAQRLYEAGYITYMRTDSTNLSQDAVNMV
RGYISDNFGKKYLPESPNQYASHEAIRPSDVNVMAESLKD
MEADAQKLYQLIWRQFVACQMTPAKYDSTTLTVGAGDFRL
KARGRILRFDGWTKVMPDRILPAVNKGDALTLVELTPAQH
FTK
Description


Functional site

1) chain B
residue 319
type catalytic
sequence Y
description 366
source MCSA : MCSA2

2) chain B
residue 321
type catalytic
sequence R
description 366
source MCSA : MCSA2

3) chain B
residue 365
type catalytic
sequence H
description 366
source MCSA : MCSA2

4) chain B
residue 321
type SITE
sequence R
description Interaction with DNA
source Swiss-Prot : SWS_FT_FI2

5) chain B
residue 319
type ACT_SITE
sequence Y
description O-(5'-phospho-DNA)-tyrosine intermediate => ECO:0000255|PROSITE-ProRule:PRU01383, ECO:0000269|PubMed:21482796, ECO:0000269|PubMed:8114910, ECO:0000269|PubMed:9497321
source Swiss-Prot : SWS_FT_FI1


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