eF-site ID 1i6q-A
PDB Code 1i6q
Chain A

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Title Formation of a protein intermediate and its trapping by the simultaneous crystallization process: Crystal structure of an iron-saturated intermediate in the FE3+ binding pathway of camel lactoferrin at 2.7 resolution
Classification METAL TRANSPORT
Compound LACTOFERRIN
Source ORGANISM_COMMON: Arabian camel; ORGANISM_SCIENTIFIC: Camelus dromedarius;
Sequence A:  ASKKSVRWCTTSPAESKKCAQWQRRMKKVRGPSVTCVKKT
SRFECIQAISTEKADAVTLDGGLVYDAGLDPYKLRPIAAE
VYGTENQPQTHYYAVAIAKKGTNFQLNQLQGLKSCHTGLG
RSAGWNIPMGLLRPFLDWTGPPEPLQKAVAKFFSASCVPC
VDGKEYPNLCQLCAGTGENKCACSSQEPYFGYSGAFKCLQ
DGAGDVAFVKDSTVFESLPAKADRDQYELLCPNNTRKPVD
AFQECHLARVPSHAVVARSVNGKEDLIWKLLVKAQEKFGR
GKPSAFQLFGSPAGQKDLLFKDSALGLLRIPKKIDSGLYL
GSNYITAIRGLRETAAEVELRRAQVVWCAVGSDEQLKCQE
WSRQSNQSVVCATASTTEDCIALVLKGEADALSLDGGYIY
IAGKCGLVPVLAESQQSPESSGLDCVHRPVKGYLAVAVVR
KANDKITWNSLRGKKSCHTAVDRTAGWNIPMGPLFKDTDS
CRFDEFFSQSCAPGSDPRSKLCALCAGNEEGQLKCVPNSS
ERLYGYTGAFRCLAENVGDVAFVKDVTVLDNTDGKGTEQW
AKDLKLGDFELLCLNGTRKPVTEAESCHLPVAPNHAVVSR
IDKVAHLRQVLLRQQAHFGRNGEDCPGKFCLFQSKTKNLL
FNDNTECLAKLQGKTTYDEYLGPQYVTAIAKLRRCSTSPL
LEACAFLMR
Description


Functional site

1) chain A
residue 92
type
sequence Y
description BINDING SITE FOR RESIDUE FE A 690
source : AC1

2) chain A
residue 122
type
sequence S
description BINDING SITE FOR RESIDUE FE A 690
source : AC1

3) chain A
residue 192
type
sequence Y
description BINDING SITE FOR RESIDUE FE A 690
source : AC1

4) chain A
residue 463
type
sequence R
description BINDING SITE FOR RESIDUE FE A 691
source : AC2

5) chain A
residue 526
type
sequence Y
description BINDING SITE FOR RESIDUE FE A 691
source : AC2

6) chain A
residue 121
type
sequence R
description BINDING SITE FOR RESIDUE CO3 A 692
source : AC3

7) chain A
residue 463
type
sequence R
description BINDING SITE FOR RESIDUE CO3 A 693
source : AC4

8) chain A
residue 464
type
sequence T
description BINDING SITE FOR RESIDUE CO3 A 693
source : AC4

9) chain A
residue 73
type ACT_SITE
sequence K
description ACT_SITE => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI1

10) chain A
residue 259
type ACT_SITE
sequence S
description Nucleophile => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI2

11) chain A
residue 92-101
type prosite
sequence YYAVAIAKKG
description TRANSFERRIN_LIKE_1 Transferrin-like domain signature 1. YyAVAIAKKG
source prosite : PS00205

12) chain A
residue 433-442
type prosite
sequence YLAVAVVRKA
description TRANSFERRIN_LIKE_1 Transferrin-like domain signature 1. YyAVAIAKKG
source prosite : PS00205

13) chain A
residue 192-208
type prosite
sequence YSGAFKCLQDGAGDVAF
description TRANSFERRIN_LIKE_2 Transferrin-like domain signature 2. YsGAFKCLqdgaGDVAF
source prosite : PS00206

14) chain A
residue 526-542
type prosite
sequence YTGAFRCLAENVGDVAF
description TRANSFERRIN_LIKE_2 Transferrin-like domain signature 2. YsGAFKCLqdgaGDVAF
source prosite : PS00206

15) chain A
residue 226-256
type prosite
sequence QYELLCPNNTRKPVDAFQECHLARVPSHAVV
description TRANSFERRIN_LIKE_3 Transferrin-like domain signature 3. QYeLLCpNntrkp...VdafqeChlArvpsHaVV
source prosite : PS00207

16) chain A
residue 60
type BINDING
sequence D
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

17) chain A
residue 595
type BINDING
sequence H
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

18) chain A
residue 117
type BINDING
sequence T
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

19) chain A
residue 123
type BINDING
sequence A
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

20) chain A
residue 124
type BINDING
sequence G
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

21) chain A
residue 253
type BINDING
sequence H
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

22) chain A
residue 395
type BINDING
sequence D
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

23) chain A
residue 459
type BINDING
sequence T
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

24) chain A
residue 465
type BINDING
sequence A
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

25) chain A
residue 466
type BINDING
sequence G
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741
source Swiss-Prot : SWS_FT_FI3

26) chain A
residue 92
type BINDING
sequence Y
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741, ECO:0000269|PubMed:11473113
source Swiss-Prot : SWS_FT_FI4

27) chain A
residue 121
type BINDING
sequence R
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741, ECO:0000269|PubMed:11473113
source Swiss-Prot : SWS_FT_FI4

28) chain A
residue 192
type BINDING
sequence Y
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741, ECO:0000269|PubMed:11473113
source Swiss-Prot : SWS_FT_FI4

29) chain A
residue 433
type BINDING
sequence Y
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741, ECO:0000269|PubMed:11473113
source Swiss-Prot : SWS_FT_FI4

30) chain A
residue 463
type BINDING
sequence R
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741, ECO:0000269|PubMed:11473113
source Swiss-Prot : SWS_FT_FI4

31) chain A
residue 526
type BINDING
sequence Y
description BINDING => ECO:0000255|PROSITE-ProRule:PRU00741, ECO:0000269|PubMed:11473113
source Swiss-Prot : SWS_FT_FI4

32) chain A
residue 233
type CARBOHYD
sequence N
description N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:11397094
source Swiss-Prot : SWS_FT_FI5

33) chain A
residue 518
type CARBOHYD
sequence N
description N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:11397094
source Swiss-Prot : SWS_FT_FI5

34) chain A
residue 366
type CARBOHYD
sequence N
description N-linked (GlcNAc...) asparagine => ECO:0000255
source Swiss-Prot : SWS_FT_FI6

35) chain A
residue 575
type CARBOHYD
sequence N
description N-linked (GlcNAc...) asparagine => ECO:0000255
source Swiss-Prot : SWS_FT_FI6


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