eF-site ID 2xwj-I
PDB Code 2xwj
Chain I

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Title Crystal Structure of Complement C3b in Complex with Factor B
Classification HYDROLASE
Compound COMPLEMENT C3 BETA CHAIN
Source ORGANISM_COMMON: HUMAN; ORGANISM_SCIENTIFIC: HOMO SAPIENS;
Sequence I:  GSCSLEGVEIKGGSFRLLQEGQALEYVCPSGFYPYPVQTR
TCRSTGSWSTLKTQDQKTVRKAECRAIHCPRPHDFENGEY
WPRSPYYNVSDEISFHCYDGYTLRGSANRTCQVNGRWSGQ
TAICDNGAGYCSNPGIPIGTRKVGSQYRLEDSVTYHCSRG
LTLRGSQRRTCQEGGSWSGTEPSCQDSFMYDTPQEVAEAF
LSSLTETIEGVDAEPSGSMNIYLVLDGSGSIGASDFTGAK
KCLVNLIEKVASYGVKPRYGLVTYATYPKIWVKVSEADSS
NADWVTKQLNEINYEDHKLKSGTNTKKALQAVYSMMSWPD
DVPPEGWNRTRHVIILMTDGLHNMGGDPITVIDEIRDLLY
IGKDRKNPREDYLDVYVFGVGPLVNQVNINALASKKDNEQ
HVFKVKDMENLEDVFYQMIDESQSLSLCGMVWEHDYHKQP
WQAKISVIRPSKGHESCMGAVVSEYFVLTAAHCFTVDDKE
HSIKVSVGGEKRDLEIEVVLFHPNYNINGKKEAGIPEFYD
YDVALIKLKNKLKYGQTIRPICLPCTEGTTRALRLPPTTT
CQQQKEELLPAQDIKALFVSEEEKKLTRKEVYIKNGDKKG
SCERDAQYAPGYDKVKDISEVVTPRFLCTGGVSPYADPNT
CRGDSGGPLIVHKRSRFIQVGVISWGVVDVCKNQKRQKQV
PAHARDFHINLFQVLPWLKEKLQDEDLGFLAA
Description


Functional site

1) chain I
residue 501
type ACT_SITE
sequence H
description Charge relay system
source Swiss-Prot : SWS_FT_FI1

2) chain I
residue 551
type ACT_SITE
sequence D
description Charge relay system
source Swiss-Prot : SWS_FT_FI1

3) chain I
residue 674
type ACT_SITE
sequence S
description Charge relay system
source Swiss-Prot : SWS_FT_FI1

4) chain I
residue 97
type CARBOHYD
sequence N
description N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:16335952, ECO:0000269|PubMed:17310251, ECO:0000269|PubMed:19159218, ECO:0000269|PubMed:6546754
source Swiss-Prot : SWS_FT_FI2

5) chain I
residue 260
type CARBOHYD
sequence D
description N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:16335952, ECO:0000269|PubMed:17310251, ECO:0000269|PubMed:19159218, ECO:0000269|PubMed:6546754
source Swiss-Prot : SWS_FT_FI2

6) chain I
residue 117
type CARBOHYD
sequence N
description N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:17310251, ECO:0000269|PubMed:19574954, ECO:0000269|PubMed:6546754
source Swiss-Prot : SWS_FT_FI3

7) chain I
residue 497-502
type prosite
sequence LTAAHC
description TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
source prosite : PS00134

8) chain I
residue 668-679
type prosite
sequence NTCRGDSGGPLI
description TRYPSIN_SER Serine proteases, trypsin family, serine active site. NTcrGDSGGPLI
source prosite : PS00135

9) chain I
residue 266
type CARBOHYD
sequence K
description N-linked (Glc) (glycation) lysine => ECO:0000269|PubMed:2006911
source Swiss-Prot : SWS_FT_FI4

10) chain I
residue 353
type CARBOHYD
sequence N
description N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:16335952, ECO:0000269|PubMed:17310251, ECO:0000269|PubMed:19574954, ECO:0000269|PubMed:6546754
source Swiss-Prot : SWS_FT_FI5


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