eF-site ID 4r9y-ABCDHLMN
PDB Code 4r9y
Chain A, B, C, D, H, L, M, N

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Title Crystal structure of KKOFab in complex with platelet factor 4
Classification IMMUNE SYSTEM/Cytokine
Compound Platelet factor 4
Source Homo sapiens (Human) (4R9Y)
Sequence A:  GDLQCLCVKTTSQVRPRHITSLEVIKAGPHCPTAQLIATL
KNGRKICLDLQAPLYKKIIKKLLES
B:  GDLQCLCVKTTSQVRPRHITSLEVIKAGPHCPTAQLIATL
KNGRKICLDLQAPLYKKIIKKLLES
C:  GDLQCLCVKTTSQVRPRHITSLEVIKAGPHCPTAQLIATL
KNGRKICLDLQAPLYKKIIKKLLES
D:  GDLQCLCVKTTSQVRPRHITSLEVIKAGPHCPTAQLIATL
KNGRKICLDLQAPLYKKIIKKLLES
H:  VQLQQSGAELVKPGASVKLSCKASGYTFTNYFIYWVKQRP
GQGLEWIGEINPRNGDTDFNEKFESRATLTVDKSSSTAYM
QLSSLTSEDSAIYYCTRSPYGNNYGFTYWGQGTLVTVSAA
KTTPPSVYPLAPGCGDAAGSSVTLGCLVKGYFPESVTVTW
NSGSLSSSVHTFPALLQSGLYTMSSSVTVPSSTWPSQTVT
CSVAHPASSTTVDKKLEP
L:  DIQMIQSQKFMSTSVGDRVTVTCKASQNVGTNVAWYQQKP
GQSPNALIYSASYRYSGVPDRFTGSGSGTDFTLTITNVQS
EDLADYFCQQYNSYPLTFGTGTKLDLKRADAAPTVSIFPP
SSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVL
NSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKT
STSPIVKSFNRNEC
M:  DIQMIQSQKFMSTSVGDRVTVTCKASQNVGTNVAWYQQKP
GQSPNALIYSASYRYSGVPDRFTGSGSGTDFTLTITNVQS
EDLADYFCQQYNSYPLTFGTGTKLDLKRADAAPTVSIFPP
SSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVL
NSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKT
STSPIVKSFNRNEC
N:  VQLQQSGAELVKPGASVKLSCKASGYTFTNYFIYWVKQRP
GQGLEWIGEINPRNGDTDFNEKFESRATLTVDKSSSTAYM
QLSSLTSEDSAIYYCTRSPYGNNYGFTYWGQGTLVTVSAA
KTTPPSVYPLAPGCGDAAGSSVTLGCLVKGYFPESVTVTW
NSGSLSSSVHTFPALLQSGLYTMSSSVTVPSSTWPSQTVT
CSVAHPASSTTVDKKLEP
Description (1)  Platelet factor 4, Platelet factor 4 antibody KKO light chain, Platelet factor 4 antibody KKO heavy chain


Functional site

1) chain L
residue 217-223
type prosite
sequence YTCEATH
description IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH
source prosite : PS00290

2) chain D
residue 10-54
type prosite
sequence CLCVKTTSQVRPRHITSLEVIKAGPHCPTAQLIATLKNGR
KICLD
description SMALL_CYTOKINES_CXC Small cytokines (intercrine/chemokine) C-x-C subfamily signature. ClCVkttsq.VrpRhItsLevikaGphCptaQLIatlkngrki.CLD
source prosite : PS00471

3) chain D
residue 61
type BINDING
sequence K
description
source Swiss-Prot : SWS_FT_FI1

4) chain C
residue 61
type BINDING
sequence K
description
source Swiss-Prot : SWS_FT_FI1

5) chain B
residue 61
type BINDING
sequence K
description
source Swiss-Prot : SWS_FT_FI1

6) chain A
residue 61
type BINDING
sequence K
description
source Swiss-Prot : SWS_FT_FI1

7) chain D
residue 26
type MOD_RES
sequence S
description Phosphoserine => ECO:0000250|UniProtKB:P06765
source Swiss-Prot : SWS_FT_FI2

8) chain C
residue 26
type MOD_RES
sequence S
description Phosphoserine => ECO:0000250|UniProtKB:P06765
source Swiss-Prot : SWS_FT_FI2

9) chain B
residue 26
type MOD_RES
sequence S
description Phosphoserine => ECO:0000250|UniProtKB:P06765
source Swiss-Prot : SWS_FT_FI2

10) chain A
residue 26
type MOD_RES
sequence S
description Phosphoserine => ECO:0000250|UniProtKB:P06765
source Swiss-Prot : SWS_FT_FI2


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