eF-site ID 3k9o-AB
PDB Code 3k9o
Chain A, B

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Title The crystal structure of E2-25K and UBB+1 complex
Classification LIGASE
Compound Ubiquitin-conjugating enzyme E2 K
Source Homo sapiens (Human) (3K9O)
Sequence A:  NIAVQRIKREFKEVLKSEETSKNQIKVDLVDENFTELRGE
IAGPPDTPYEGGRYQLEIKIPETYPFNPPKVRFITKIWHP
NISSVTGAICLDILKDQWAAAMTLRTVLLSLQALLAAAEP
DDPQDAVVANQYKQNPEMFKQTARLWAHVYAGAPVSSPEY
TKKIENLCAMGFDRNAVIVALSSKSWDVETATELLLSN
B:  MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQ
QRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRG
Description


Functional site

1) chain A
residue 14
type CROSSLNK
sequence K
description Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO1); alternate => ECO:0007744|PubMed:25114211
source Swiss-Prot : SWS_FT_FI5

2) chain A
residue 92
type ACT_SITE
sequence C
description Glycyl thioester intermediate => ECO:0000255|PROSITE-ProRule:PRU00388, ECO:0000255|PROSITE-ProRule:PRU10133
source Swiss-Prot : SWS_FT_FI1

3) chain A
residue 14
type MOD_RES
sequence K
description N6-acetyllysine; alternate => ECO:0007744|PubMed:19608861
source Swiss-Prot : SWS_FT_FI3

4) chain A
residue 159
type MOD_RES
sequence S
description Phosphoserine => ECO:0007744|PubMed:23186163
source Swiss-Prot : SWS_FT_FI4

5) chain A
residue 80-96
type prosite
sequence WHPNISSVTGAICLDIL
description UBC_1 Ubiquitin-conjugating (UBC) active site signature. WHPNIssvtGaICLdiL
source prosite : PS00183

6) chain B
residue 27-52
type prosite
sequence KAKIQDKEGIPPDQQRLIFAGKQLED
description UBIQUITIN_1 Ubiquitin domain signature. KakIqDkegIPpdqQrLIFaGkqleD
source prosite : PS00299


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