0.016141
0.000000
0.000000
0.000000
0.011621
0.000000
0.000000
0.000000
0.011226
0.00000
0.00000
0.00000
Parkin, S.
Rupp, B.
Hope, H.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
61.954
86.053
89.079
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
Ca 2
40.078
CALCIUM ION
non-polymer
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
Mn 2
54.938
MANGANESE (II) ION
non-polymer
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
52
1161
1168
10.1107/S0907444996009237
15299577
Atomic resolution structure of concanavalin A at 120 K.
1996
UK
Embo J.
EMJODG
0897
0261-4189
11
1303
Non-Glycosylated Recombinant Pro-Concanavalin a is Active without Polypeptide Cleavage
1992
10.2210/pdb1jbc/pdb
pdb_00001jbc
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
120
1
AREA DETECTOR
1994-08
ADSC
GRAPHITE(002)
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RUH2R
25622.385
CONCANAVALIN A
1
nat
polymer
54.938
MANGANESE (II) ION
1
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
287
nat
water
CONA
no
no
ADTIVAVELDTYPNTDIGDPSYPHIGIDIKSVRSKKTAKWNMQNGKVGTAHIIYNSVDKRLSAVVSYPNADSATVSYDVD
LDNVLPEWVRVGLSASTGLYKETNTILSWSFTSKLKSNSTHETNALHFMFNQFSKDQKDLILQGDATTGTDGNLELTRVS
SNGSPQGSSVGRALFYAPVHIWESSAVVASFEATFTFLIKSPDSHPADGIAFFISNIDSSIPSGSTGRLLGLFPDAN
ADTIVAVELDTYPNTDIGDPSYPHIGIDIKSVRSKKTAKWNMQNGKVGTAHIIYNSVDKRLSAVVSYPNADSATVSYDVD
LDNVLPEWVRVGLSASTGLYKETNTILSWSFTSKLKSNSTHETNALHFMFNQFSKDQKDLILQGDATTGTDGNLELTRVS
SNGSPQGSSVGRALFYAPVHIWESSAVVASFEATFTFLIKSPDSHPADGIAFFISNIDSSIPSGSTGRLLGLFPDAN
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
jack bean
Canavalia
sample
3823
Canavalia ensiformis
1
2.30
46.5
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Refinement description
1
0
1997-02-12
1
1
2008-03-24
1
2
2011-07-13
1
3
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1996-08-23
REL
REL
MN
MANGANESE (II) ION
CA
CALCIUM ION
HOH
water
3CNA
PDB ENTRY 3CNA
PDB
experimental model
MN
238
2
MN
MN
238
A
CA
239
3
CA
CA
239
A
HOH
500
4
HOH
HOH
500
A
HOH
501
4
HOH
HOH
501
A
HOH
502
4
HOH
HOH
502
A
HOH
503
4
HOH
HOH
503
A
HOH
504
4
HOH
HOH
504
A
HOH
505
4
HOH
HOH
505
A
HOH
506
4
HOH
HOH
506
A
HOH
507
4
HOH
HOH
507
A
HOH
508
4
HOH
HOH
508
A
HOH
509
4
HOH
HOH
509
A
HOH
510
4
HOH
HOH
510
A
HOH
511
4
HOH
HOH
511
A
HOH
512
4
HOH
HOH
512
A
HOH
513
4
HOH
HOH
513
A
HOH
514
4
HOH
HOH
514
A
HOH
515
4
HOH
HOH
515
A
HOH
516
4
HOH
HOH
516
A
HOH
517
4
HOH
HOH
517
A
HOH
518
4
HOH
HOH
518
A
HOH
519
4
HOH
HOH
519
A
HOH
520
4
HOH
HOH
520
A
HOH
521
4
HOH
HOH
521
A
HOH
522
4
HOH
HOH
522
A
HOH
523
4
HOH
HOH
523
A
HOH
524
4
HOH
HOH
524
A
HOH
525
4
HOH
HOH
525
A
HOH
526
4
HOH
HOH
526
A
HOH
527
4
HOH
HOH
527
A
HOH
528
4
HOH
HOH
528
A
HOH
529
4
HOH
HOH
529
A
HOH
530
4
HOH
HOH
530
A
HOH
531
4
HOH
HOH
531
A
HOH
532
4
HOH
HOH
532
A
HOH
533
4
HOH
HOH
533
A
HOH
534
4
HOH
HOH
534
A
HOH
535
4
HOH
HOH
535
A
HOH
536
4
HOH
HOH
536
A
HOH
537
4
HOH
HOH
537
A
HOH
538
4
HOH
HOH
538
A
HOH
539
4
HOH
HOH
539
A
HOH
540
4
HOH
HOH
540
A
HOH
541
4
HOH
HOH
541
A
HOH
542
4
HOH
HOH
542
A
HOH
543
4
HOH
HOH
543
A
HOH
544
4
HOH
HOH
544
A
HOH
545
4
HOH
HOH
545
A
HOH
546
4
HOH
HOH
546
A
HOH
547
4
HOH
HOH
547
A
HOH
548
4
HOH
HOH
548
A
HOH
549
4
HOH
HOH
549
A
HOH
550
4
HOH
HOH
550
A
HOH
551
4
HOH
HOH
551
A
HOH
552
4
HOH
HOH
552
A
HOH
553
4
HOH
HOH
553
A
HOH
554
4
HOH
HOH
554
A
HOH
555
4
HOH
HOH
555
A
HOH
556
4
HOH
HOH
556
A
HOH
557
4
HOH
HOH
557
A
HOH
558
4
HOH
HOH
558
A
HOH
559
4
HOH
HOH
559
A
HOH
560
4
HOH
HOH
560
A
HOH
561
4
HOH
HOH
561
A
HOH
562
4
HOH
HOH
562
A
HOH
563
4
HOH
HOH
563
A
HOH
564
4
HOH
HOH
564
A
HOH
565
4
HOH
HOH
565
A
HOH
566
4
HOH
HOH
566
A
HOH
567
4
HOH
HOH
567
A
HOH
568
4
HOH
HOH
568
A
HOH
569
4
HOH
HOH
569
A
HOH
570
4
HOH
HOH
570
A
HOH
571
4
HOH
HOH
571
A
HOH
572
4
HOH
HOH
572
A
HOH
573
4
HOH
HOH
573
A
HOH
574
4
HOH
HOH
574
A
HOH
575
4
HOH
HOH
575
A
HOH
576
4
HOH
HOH
576
A
HOH
577
4
HOH
HOH
577
A
HOH
578
4
HOH
HOH
578
A
HOH
579
4
HOH
HOH
579
A
HOH
580
4
HOH
HOH
580
A
HOH
581
4
HOH
HOH
581
A
HOH
582
4
HOH
HOH
582
A
HOH
583
4
HOH
HOH
583
A
HOH
584
4
HOH
HOH
584
A
HOH
585
4
HOH
HOH
585
A
HOH
586
4
HOH
HOH
586
A
HOH
587
4
HOH
HOH
587
A
HOH
588
4
HOH
HOH
588
A
HOH
589
4
HOH
HOH
589
A
HOH
590
4
HOH
HOH
590
A
HOH
591
4
HOH
HOH
591
A
HOH
592
4
HOH
HOH
592
A
HOH
593
4
HOH
HOH
593
A
HOH
594
4
HOH
HOH
594
A
HOH
595
4
HOH
HOH
595
A
HOH
596
4
HOH
HOH
596
A
HOH
597
4
HOH
HOH
597
A
HOH
598
4
HOH
HOH
598
A
HOH
599
4
HOH
HOH
599
A
HOH
600
4
HOH
HOH
600
A
HOH
601
4
HOH
HOH
601
A
HOH
602
4
HOH
HOH
602
A
HOH
603
4
HOH
HOH
603
A
HOH
604
4
HOH
HOH
604
A
HOH
605
4
HOH
HOH
605
A
HOH
606
4
HOH
HOH
606
A
HOH
607
4
HOH
HOH
607
A
HOH
608
4
HOH
HOH
608
A
HOH
609
4
HOH
HOH
609
A
HOH
610
4
HOH
HOH
610
A
HOH
611
4
HOH
HOH
611
A
HOH
612
4
HOH
HOH
612
A
HOH
613
4
HOH
HOH
613
A
HOH
614
4
HOH
HOH
614
A
HOH
615
4
HOH
HOH
615
A
HOH
616
4
HOH
HOH
616
A
HOH
617
4
HOH
HOH
617
A
HOH
618
4
HOH
HOH
618
A
HOH
619
4
HOH
HOH
619
A
HOH
620
4
HOH
HOH
620
A
HOH
621
4
HOH
HOH
621
A
HOH
622
4
HOH
HOH
622
A
HOH
623
4
HOH
HOH
623
A
HOH
624
4
HOH
HOH
624
A
HOH
625
4
HOH
HOH
625
A
HOH
626
4
HOH
HOH
626
A
HOH
627
4
HOH
HOH
627
A
HOH
628
4
HOH
HOH
628
A
HOH
629
4
HOH
HOH
629
A
HOH
630
4
HOH
HOH
630
A
HOH
631
4
HOH
HOH
631
A
HOH
632
4
HOH
HOH
632
A
HOH
633
4
HOH
HOH
633
A
HOH
634
4
HOH
HOH
634
A
HOH
635
4
HOH
HOH
635
A
HOH
636
4
HOH
HOH
636
A
HOH
637
4
HOH
HOH
637
A
HOH
638
4
HOH
HOH
638
A
HOH
639
4
HOH
HOH
639
A
HOH
640
4
HOH
HOH
640
A
HOH
641
4
HOH
HOH
641
A
HOH
642
4
HOH
HOH
642
A
HOH
643
4
HOH
HOH
643
A
HOH
644
4
HOH
HOH
644
A
HOH
645
4
HOH
HOH
645
A
HOH
646
4
HOH
HOH
646
A
HOH
647
4
HOH
HOH
647
A
HOH
648
4
HOH
HOH
648
A
HOH
649
4
HOH
HOH
649
A
HOH
650
4
HOH
HOH
650
A
HOH
651
4
HOH
HOH
651
A
HOH
652
4
HOH
HOH
652
A
HOH
653
4
HOH
HOH
653
A
HOH
654
4
HOH
HOH
654
A
HOH
655
4
HOH
HOH
655
A
HOH
656
4
HOH
HOH
656
A
HOH
657
4
HOH
HOH
657
A
HOH
658
4
HOH
HOH
658
A
HOH
659
4
HOH
HOH
659
A
HOH
660
4
HOH
HOH
660
A
HOH
661
4
HOH
HOH
661
A
HOH
662
4
HOH
HOH
662
A
HOH
663
4
HOH
HOH
663
A
HOH
664
4
HOH
HOH
664
A
HOH
665
4
HOH
HOH
665
A
HOH
666
4
HOH
HOH
666
A
HOH
667
4
HOH
HOH
667
A
HOH
668
4
HOH
HOH
668
A
HOH
669
4
HOH
HOH
669
A
HOH
670
4
HOH
HOH
670
A
HOH
671
4
HOH
HOH
671
A
HOH
672
4
HOH
HOH
672
A
HOH
673
4
HOH
HOH
673
A
HOH
674
4
HOH
HOH
674
A
HOH
675
4
HOH
HOH
675
A
HOH
676
4
HOH
HOH
676
A
HOH
677
4
HOH
HOH
677
A
HOH
678
4
HOH
HOH
678
A
HOH
679
4
HOH
HOH
679
A
HOH
680
4
HOH
HOH
680
A
HOH
681
4
HOH
HOH
681
A
HOH
682
4
HOH
HOH
682
A
HOH
683
4
HOH
HOH
683
A
HOH
684
4
HOH
HOH
684
A
HOH
685
4
HOH
HOH
685
A
HOH
686
4
HOH
HOH
686
A
HOH
687
4
HOH
HOH
687
A
HOH
688
4
HOH
HOH
688
A
HOH
689
4
HOH
HOH
689
A
HOH
690
4
HOH
HOH
690
A
HOH
691
4
HOH
HOH
691
A
HOH
692
4
HOH
HOH
692
A
HOH
693
4
HOH
HOH
693
A
HOH
694
4
HOH
HOH
694
A
HOH
695
4
HOH
HOH
695
A
HOH
696
4
HOH
HOH
696
A
HOH
697
4
HOH
HOH
697
A
HOH
698
4
HOH
HOH
698
A
HOH
699
4
HOH
HOH
699
A
HOH
700
4
HOH
HOH
700
A
HOH
701
4
HOH
HOH
701
A
HOH
702
4
HOH
HOH
702
A
HOH
703
4
HOH
HOH
703
A
HOH
704
4
HOH
HOH
704
A
HOH
705
4
HOH
HOH
705
A
HOH
706
4
HOH
HOH
706
A
HOH
707
4
HOH
HOH
707
A
HOH
708
4
HOH
HOH
708
A
HOH
709
4
HOH
HOH
709
A
HOH
710
4
HOH
HOH
710
A
HOH
711
4
HOH
HOH
711
A
HOH
712
4
HOH
HOH
712
A
HOH
713
4
HOH
HOH
713
A
HOH
714
4
HOH
HOH
714
A
HOH
715
4
HOH
HOH
715
A
HOH
716
4
HOH
HOH
716
A
HOH
717
4
HOH
HOH
717
A
HOH
718
4
HOH
HOH
718
A
HOH
719
4
HOH
HOH
719
A
HOH
720
4
HOH
HOH
720
A
HOH
721
4
HOH
HOH
721
A
HOH
722
4
HOH
HOH
722
A
HOH
723
4
HOH
HOH
723
A
HOH
724
4
HOH
HOH
724
A
HOH
725
4
HOH
HOH
725
A
HOH
726
4
HOH
HOH
726
A
HOH
727
4
HOH
HOH
727
A
HOH
728
4
HOH
HOH
728
A
HOH
729
4
HOH
HOH
729
A
HOH
730
4
HOH
HOH
730
A
HOH
731
4
HOH
HOH
731
A
HOH
732
4
HOH
HOH
732
A
HOH
733
4
HOH
HOH
733
A
HOH
734
4
HOH
HOH
734
A
HOH
735
4
HOH
HOH
735
A
HOH
736
4
HOH
HOH
736
A
HOH
737
4
HOH
HOH
737
A
HOH
738
4
HOH
HOH
738
A
HOH
739
4
HOH
HOH
739
A
HOH
740
4
HOH
HOH
740
A
HOH
741
4
HOH
HOH
741
A
HOH
742
4
HOH
HOH
742
A
HOH
743
4
HOH
HOH
743
A
HOH
744
4
HOH
HOH
744
A
HOH
745
4
HOH
HOH
745
A
HOH
746
4
HOH
HOH
746
A
HOH
747
4
HOH
HOH
747
A
HOH
748
4
HOH
HOH
748
A
HOH
749
4
HOH
HOH
749
A
HOH
750
4
HOH
HOH
750
A
HOH
751
4
HOH
HOH
751
A
HOH
752
4
HOH
HOH
752
A
HOH
753
4
HOH
HOH
753
A
HOH
754
4
HOH
HOH
754
A
HOH
755
4
HOH
HOH
755
A
HOH
756
4
HOH
HOH
756
A
HOH
757
4
HOH
HOH
757
A
HOH
758
4
HOH
HOH
758
A
HOH
759
4
HOH
HOH
759
A
HOH
760
4
HOH
HOH
760
A
HOH
761
4
HOH
HOH
761
A
HOH
762
4
HOH
HOH
762
A
HOH
763
4
HOH
HOH
763
A
HOH
764
4
HOH
HOH
764
A
HOH
765
4
HOH
HOH
765
A
HOH
766
4
HOH
HOH
766
A
HOH
767
4
HOH
HOH
767
A
HOH
768
4
HOH
HOH
768
A
HOH
769
4
HOH
HOH
769
A
HOH
770
4
HOH
HOH
770
A
HOH
771
4
HOH
HOH
771
A
HOH
772
4
HOH
HOH
772
A
HOH
773
4
HOH
HOH
773
A
HOH
774
4
HOH
HOH
774
A
HOH
775
4
HOH
HOH
775
A
HOH
776
4
HOH
HOH
776
A
HOH
777
4
HOH
HOH
777
A
HOH
778
4
HOH
HOH
778
A
HOH
779
4
HOH
HOH
779
A
HOH
780
4
HOH
HOH
780
A
HOH
781
4
HOH
HOH
781
A
HOH
782
4
HOH
HOH
782
A
HOH
783
4
HOH
HOH
783
A
HOH
784
4
HOH
HOH
784
A
HOH
785
4
HOH
HOH
785
A
HOH
786
4
HOH
HOH
786
A
ALA
1
n
1
ALA
1
A
ASP
2
n
2
ASP
2
A
THR
3
n
3
THR
3
A
ILE
4
n
4
ILE
4
A
VAL
5
n
5
VAL
5
A
ALA
6
n
6
ALA
6
A
VAL
7
n
7
VAL
7
A
GLU
8
n
8
GLU
8
A
LEU
9
n
9
LEU
9
A
ASP
10
n
10
ASP
10
A
THR
11
n
11
THR
11
A
TYR
12
n
12
TYR
12
A
PRO
13
n
13
PRO
13
A
ASN
14
n
14
ASN
14
A
THR
15
n
15
THR
15
A
ASP
16
n
16
ASP
16
A
ILE
17
n
17
ILE
17
A
GLY
18
n
18
GLY
18
A
ASP
19
n
19
ASP
19
A
PRO
20
n
20
PRO
20
A
SER
21
n
21
SER
21
A
TYR
22
n
22
TYR
22
A
PRO
23
n
23
PRO
23
A
HIS
24
n
24
HIS
24
A
ILE
25
n
25
ILE
25
A
GLY
26
n
26
GLY
26
A
ILE
27
n
27
ILE
27
A
ASP
28
n
28
ASP
28
A
ILE
29
n
29
ILE
29
A
LYS
30
n
30
LYS
30
A
SER
31
n
31
SER
31
A
VAL
32
n
32
VAL
32
A
ARG
33
n
33
ARG
33
A
SER
34
n
34
SER
34
A
LYS
35
n
35
LYS
35
A
LYS
36
n
36
LYS
36
A
THR
37
n
37
THR
37
A
ALA
38
n
38
ALA
38
A
LYS
39
n
39
LYS
39
A
TRP
40
n
40
TRP
40
A
ASN
41
n
41
ASN
41
A
MET
42
n
42
MET
42
A
GLN
43
n
43
GLN
43
A
ASN
44
n
44
ASN
44
A
GLY
45
n
45
GLY
45
A
LYS
46
n
46
LYS
46
A
VAL
47
n
47
VAL
47
A
GLY
48
n
48
GLY
48
A
THR
49
n
49
THR
49
A
ALA
50
n
50
ALA
50
A
HIS
51
n
51
HIS
51
A
ILE
52
n
52
ILE
52
A
ILE
53
n
53
ILE
53
A
TYR
54
n
54
TYR
54
A
ASN
55
n
55
ASN
55
A
SER
56
n
56
SER
56
A
VAL
57
n
57
VAL
57
A
ASP
58
n
58
ASP
58
A
LYS
59
n
59
LYS
59
A
ARG
60
n
60
ARG
60
A
LEU
61
n
61
LEU
61
A
SER
62
n
62
SER
62
A
ALA
63
n
63
ALA
63
A
VAL
64
n
64
VAL
64
A
VAL
65
n
65
VAL
65
A
SER
66
n
66
SER
66
A
TYR
67
n
67
TYR
67
A
PRO
68
n
68
PRO
68
A
ASN
69
n
69
ASN
69
A
ALA
70
n
70
ALA
70
A
ASP
71
n
71
ASP
71
A
SER
72
n
72
SER
72
A
ALA
73
n
73
ALA
73
A
THR
74
n
74
THR
74
A
VAL
75
n
75
VAL
75
A
SER
76
n
76
SER
76
A
TYR
77
n
77
TYR
77
A
ASP
78
n
78
ASP
78
A
VAL
79
n
79
VAL
79
A
ASP
80
n
80
ASP
80
A
LEU
81
n
81
LEU
81
A
ASP
82
n
82
ASP
82
A
ASN
83
n
83
ASN
83
A
VAL
84
n
84
VAL
84
A
LEU
85
n
85
LEU
85
A
PRO
86
n
86
PRO
86
A
GLU
87
n
87
GLU
87
A
TRP
88
n
88
TRP
88
A
VAL
89
n
89
VAL
89
A
ARG
90
n
90
ARG
90
A
VAL
91
n
91
VAL
91
A
GLY
92
n
92
GLY
92
A
LEU
93
n
93
LEU
93
A
SER
94
n
94
SER
94
A
ALA
95
n
95
ALA
95
A
SER
96
n
96
SER
96
A
THR
97
n
97
THR
97
A
GLY
98
n
98
GLY
98
A
LEU
99
n
99
LEU
99
A
TYR
100
n
100
TYR
100
A
LYS
101
n
101
LYS
101
A
GLU
102
n
102
GLU
102
A
THR
103
n
103
THR
103
A
ASN
104
n
104
ASN
104
A
THR
105
n
105
THR
105
A
ILE
106
n
106
ILE
106
A
LEU
107
n
107
LEU
107
A
SER
108
n
108
SER
108
A
TRP
109
n
109
TRP
109
A
SER
110
n
110
SER
110
A
PHE
111
n
111
PHE
111
A
THR
112
n
112
THR
112
A
SER
113
n
113
SER
113
A
LYS
114
n
114
LYS
114
A
LEU
115
n
115
LEU
115
A
LYS
116
n
116
LYS
116
A
SER
117
n
117
SER
117
A
ASN
118
n
118
ASN
118
A
SER
119
n
119
SER
119
A
THR
120
n
120
THR
120
A
HIS
121
n
121
HIS
121
A
GLU
122
n
122
GLU
122
A
THR
123
n
123
THR
123
A
ASN
124
n
124
ASN
124
A
ALA
125
n
125
ALA
125
A
LEU
126
n
126
LEU
126
A
HIS
127
n
127
HIS
127
A
PHE
128
n
128
PHE
128
A
MET
129
n
129
MET
129
A
PHE
130
n
130
PHE
130
A
ASN
131
n
131
ASN
131
A
GLN
132
n
132
GLN
132
A
PHE
133
n
133
PHE
133
A
SER
134
n
134
SER
134
A
LYS
135
n
135
LYS
135
A
ASP
136
n
136
ASP
136
A
GLN
137
n
137
GLN
137
A
LYS
138
n
138
LYS
138
A
ASP
139
n
139
ASP
139
A
LEU
140
n
140
LEU
140
A
ILE
141
n
141
ILE
141
A
LEU
142
n
142
LEU
142
A
GLN
143
n
143
GLN
143
A
GLY
144
n
144
GLY
144
A
ASP
145
n
145
ASP
145
A
ALA
146
n
146
ALA
146
A
THR
147
n
147
THR
147
A
THR
148
n
148
THR
148
A
GLY
149
n
149
GLY
149
A
THR
150
n
150
THR
150
A
ASP
151
n
151
ASP
151
A
GLY
152
n
152
GLY
152
A
ASN
153
n
153
ASN
153
A
LEU
154
n
154
LEU
154
A
GLU
155
n
155
GLU
155
A
LEU
156
n
156
LEU
156
A
THR
157
n
157
THR
157
A
ARG
158
n
158
ARG
158
A
VAL
159
n
159
VAL
159
A
SER
160
n
160
SER
160
A
SER
161
n
161
SER
161
A
ASN
162
n
162
ASN
162
A
GLY
163
n
163
GLY
163
A
SER
164
n
164
SER
164
A
PRO
165
n
165
PRO
165
A
GLN
166
n
166
GLN
166
A
GLY
167
n
167
GLY
167
A
SER
168
n
168
SER
168
A
SER
169
n
169
SER
169
A
VAL
170
n
170
VAL
170
A
GLY
171
n
171
GLY
171
A
ARG
172
n
172
ARG
172
A
ALA
173
n
173
ALA
173
A
LEU
174
n
174
LEU
174
A
PHE
175
n
175
PHE
175
A
TYR
176
n
176
TYR
176
A
ALA
177
n
177
ALA
177
A
PRO
178
n
178
PRO
178
A
VAL
179
n
179
VAL
179
A
HIS
180
n
180
HIS
180
A
ILE
181
n
181
ILE
181
A
TRP
182
n
182
TRP
182
A
GLU
183
n
183
GLU
183
A
SER
184
n
184
SER
184
A
SER
185
n
185
SER
185
A
ALA
186
n
186
ALA
186
A
VAL
187
n
187
VAL
187
A
VAL
188
n
188
VAL
188
A
ALA
189
n
189
ALA
189
A
SER
190
n
190
SER
190
A
PHE
191
n
191
PHE
191
A
GLU
192
n
192
GLU
192
A
ALA
193
n
193
ALA
193
A
THR
194
n
194
THR
194
A
PHE
195
n
195
PHE
195
A
THR
196
n
196
THR
196
A
PHE
197
n
197
PHE
197
A
LEU
198
n
198
LEU
198
A
ILE
199
n
199
ILE
199
A
LYS
200
n
200
LYS
200
A
SER
201
n
201
SER
201
A
PRO
202
n
202
PRO
202
A
ASP
203
n
203
ASP
203
A
SER
204
n
204
SER
204
A
HIS
205
n
205
HIS
205
A
PRO
206
n
206
PRO
206
A
ALA
207
n
207
ALA
207
A
ASP
208
n
208
ASP
208
A
GLY
209
n
209
GLY
209
A
ILE
210
n
210
ILE
210
A
ALA
211
n
211
ALA
211
A
PHE
212
n
212
PHE
212
A
PHE
213
n
213
PHE
213
A
ILE
214
n
214
ILE
214
A
SER
215
n
215
SER
215
A
ASN
216
n
216
ASN
216
A
ILE
217
n
217
ILE
217
A
ASP
218
n
218
ASP
218
A
SER
219
n
219
SER
219
A
SER
220
n
220
SER
220
A
ILE
221
n
221
ILE
221
A
PRO
222
n
222
PRO
222
A
SER
223
n
223
SER
223
A
GLY
224
n
224
GLY
224
A
SER
225
n
225
SER
225
A
THR
226
n
226
THR
226
A
GLY
227
n
227
GLY
227
A
ARG
228
n
228
ARG
228
A
LEU
229
n
229
LEU
229
A
LEU
230
n
230
LEU
230
A
GLY
231
n
231
GLY
231
A
LEU
232
n
232
LEU
232
A
PHE
233
n
233
PHE
233
A
PRO
234
n
234
PRO
234
A
ASP
235
n
235
ASP
235
A
ALA
236
n
236
ALA
236
A
ASN
237
n
237
ASN
237
A
0.1420000
0.1670000
10
author_defined_assembly
4
tetrameric
A
GLU
8
A
OE2
GLU
8
1_555
A
MN
238
B
MN
MN
1_555
A
ASP
10
A
OD2
ASP
10
1_555
95.3
A
GLU
8
A
OE2
GLU
8
1_555
A
MN
238
B
MN
MN
1_555
A
ASP
19
A
OD1
ASP
19
1_555
169.2
A
ASP
10
A
OD2
ASP
10
1_555
A
MN
238
B
MN
MN
1_555
A
ASP
19
A
OD1
ASP
19
1_555
95.4
A
GLU
8
A
OE2
GLU
8
1_555
A
MN
238
B
MN
MN
1_555
A
HIS
24
A
NE2
HIS
24
1_555
92.0
A
ASP
10
A
OD2
ASP
10
1_555
A
MN
238
B
MN
MN
1_555
A
HIS
24
A
NE2
HIS
24
1_555
85.3
A
ASP
19
A
OD1
ASP
19
1_555
A
MN
238
B
MN
MN
1_555
A
HIS
24
A
NE2
HIS
24
1_555
89.9
A
GLU
8
A
OE2
GLU
8
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
546
D
O
HOH
1_555
87.4
A
ASP
10
A
OD2
ASP
10
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
546
D
O
HOH
1_555
174.7
A
ASP
19
A
OD1
ASP
19
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
546
D
O
HOH
1_555
82.0
A
HIS
24
A
NE2
HIS
24
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
546
D
O
HOH
1_555
90.1
A
GLU
8
A
OE2
GLU
8
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
547
D
O
HOH
1_555
86.9
A
ASP
10
A
OD2
ASP
10
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
547
D
O
HOH
1_555
90.2
A
ASP
19
A
OD1
ASP
19
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
547
D
O
HOH
1_555
92.0
A
HIS
24
A
NE2
HIS
24
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
547
D
O
HOH
1_555
175.3
A
HOH
546
D
O
HOH
1_555
A
MN
238
B
MN
MN
1_555
A
HOH
547
D
O
HOH
1_555
94.4
A
ASP
10
A
OD1
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
ASP
10
A
OD2
ASP
10
1_555
52.3
A
ASP
10
A
OD1
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
TYR
12
A
O
TYR
12
1_555
75.5
A
ASP
10
A
OD2
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
TYR
12
A
O
TYR
12
1_555
110.3
A
ASP
10
A
OD1
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
ASN
14
A
OD1
ASN
14
1_555
152.6
A
ASP
10
A
OD2
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
ASN
14
A
OD1
ASN
14
1_555
155.1
A
TYR
12
A
O
TYR
12
1_555
A
CA
239
C
CA
CA
1_555
A
ASN
14
A
OD1
ASN
14
1_555
85.6
A
ASP
10
A
OD1
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
ASP
19
A
OD2
ASP
19
1_555
108.2
A
ASP
10
A
OD2
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
ASP
19
A
OD2
ASP
19
1_555
77.4
A
TYR
12
A
O
TYR
12
1_555
A
CA
239
C
CA
CA
1_555
A
ASP
19
A
OD2
ASP
19
1_555
79.6
A
ASN
14
A
OD1
ASN
14
1_555
A
CA
239
C
CA
CA
1_555
A
ASP
19
A
OD2
ASP
19
1_555
87.3
A
ASP
10
A
OD1
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
513
D
O
HOH
1_555
74.5
A
ASP
10
A
OD2
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
513
D
O
HOH
1_555
111.5
A
TYR
12
A
O
TYR
12
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
513
D
O
HOH
1_555
91.1
A
ASN
14
A
OD1
ASN
14
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
513
D
O
HOH
1_555
86.3
A
ASP
19
A
OD2
ASP
19
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
513
D
O
HOH
1_555
169.1
A
ASP
10
A
OD1
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
549
D
O
HOH
1_555
110.7
A
ASP
10
A
OD2
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
549
D
O
HOH
1_555
74.9
A
TYR
12
A
O
TYR
12
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
549
D
O
HOH
1_555
173.7
A
ASN
14
A
OD1
ASN
14
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
549
D
O
HOH
1_555
88.3
A
ASP
19
A
OD2
ASP
19
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
549
D
O
HOH
1_555
98.5
A
HOH
513
D
O
HOH
1_555
A
CA
239
C
CA
CA
1_555
A
HOH
549
D
O
HOH
1_555
90.2
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
4_566
x,-y+1,-z+1
crystal symmetry operation
0.0000000000
86.0530000000
89.0790000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
3_756
-x+2,y,-z+1
crystal symmetry operation
123.9080000000
0.0000000000
89.0790000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
2_765
-x+2,-y+1,z
crystal symmetry operation
123.9080000000
86.0530000000
0.0000000000
A
O
LYS
36
A
O
LYS
36
A
N
ILE
27
A
N
ILE
27
A
O
HIS
24
A
O
HIS
24
A
N
ASP
10
A
N
ASP
10
A
O
VAL
5
A
O
VAL
5
A
N
ILE
214
A
N
ILE
214
A
O
GLY
209
A
O
GLY
209
A
N
SER
96
A
N
SER
96
A
O
LEU
93
A
O
LEU
93
A
N
ALA
173
A
N
ALA
173
A
O
ARG
172
A
O
ARG
172
A
N
GLN
143
A
N
GLN
143
A
O
ALA
73
A
O
ALA
73
A
N
VAL
65
A
N
VAL
65
A
O
SER
62
A
O
SER
62
A
N
ILE
53
A
N
ILE
53
A
O
GLY
48
A
O
GLY
48
A
N
PHE
197
A
N
PHE
197
A
O
VAL
188
A
O
VAL
188
A
N
LYS
116
A
N
LYS
116
A
O
TRP
109
A
O
TRP
109
A
N
PHE
130
A
N
PHE
130
A
O
THR
147
A
O
THR
147
A
N
GLU
155
A
N
GLU
155
1
A
HOH
581
D
HOH
1
16.85
2.80
113.90
130.75
A
A
A
CB
CG1
CD1
ILE
ILE
ILE
27
27
27
A
N
1
-3.53
0.50
120.30
116.77
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
33
33
33
N
1
-4.94
0.50
120.30
115.36
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
60
60
60
A
A
A
N
1
-6.83
0.50
120.30
113.47
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
60
60
60
B
B
B
N
1
-5.91
0.90
118.30
112.39
A
A
A
CB
CG
OD2
ASP
ASP
ASP
78
78
78
A
A
N
1
10.27
1.70
111.00
121.27
A
A
A
CB
CG
CD2
LEU
LEU
LEU
81
81
81
N
1
20.58
1.70
111.00
131.58
A
A
A
CB
CG
CD2
LEU
LEU
LEU
99
99
99
N
1
6.39
0.90
118.30
124.69
A
A
A
CB
CG
OD1
ASP
ASP
ASP
136
136
136
N
1
6.96
0.90
118.30
125.26
A
A
A
CB
CG
OD1
ASP
ASP
ASP
151
151
151
B
B
N
1
3.08
0.50
120.30
123.38
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
158
158
158
N
1
10.84
1.60
110.90
121.74
A
A
A
CG1
CB
CG2
VAL
VAL
VAL
159
159
159
B
B
N
1
14.15
1.70
111.00
125.15
A
A
A
CB
CG
CD1
LEU
LEU
LEU
174
174
174
N
1
-5.74
0.80
121.30
115.56
A
A
A
CG
CD1
CE1
TYR
TYR
TYR
176
176
176
N
1
10.92
1.40
112.40
123.32
A
A
A
CA
CB
CG2
THR
THR
THR
196
196
196
B
N
1
16.23
1.70
111.00
127.23
A
A
A
CB
CG
CD1
LEU
LEU
LEU
198
198
198
N
1
A
SER
21
-84.29
43.52
1
A
THR
120
-28.25
-54.97
0.1670000
0.1420000
1.15
19482
112810
35167
10
EVERY 10TH REFLECTION
1
R-FREE
0.0
REFINEMENT
PDB ENTRY 3CNA
SWAT (SHELXL) BASED ON BABINET'S PRINCIPLE
30
1754
2081.5
1.15
287
2163
2
0
1874
0.018
0.193
0.499
0.142
0.486
0.068
0.006
0.054
0.059
1.15
1JBC
112810
0.0
0.0420000
1
10.11
3.5
83.8
0.0188000
1.15
1.25
2.
73.6
model building
SHELXL-92
refinement
SHELXL-92
data collection
ADSC
phasing
SHELXL-92
CONCANAVALIN A
1
N
N
2
N
N
3
N
N
4
N
N
A
THR
15
A
THR
15
HELX_P
A
ILE
17
A
ILE
17
5
1
3
A
LEU
81
A
LEU
81
HELX_P
A
ASN
83
A
ASN
83
5
2
3
A
THR
150
A
THR
150
HELX_P
A
GLY
152
A
GLY
152
5
3
3
A
GLY
227
A
GLY
227
HELX_P
A
LEU
229
A
LEU
229
5
4
3
metalc
2.143
A
GLU
8
A
OE2
GLU
8
1_555
A
MN
238
B
MN
MN
1_555
metalc
2.088
A
ASP
10
A
OD2
ASP
10
1_555
A
MN
238
B
MN
MN
1_555
metalc
2.475
A
ASP
10
A
OD1
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
metalc
2.550
A
ASP
10
A
OD2
ASP
10
1_555
A
CA
239
C
CA
CA
1_555
metalc
2.367
A
TYR
12
A
O
TYR
12
1_555
A
CA
239
C
CA
CA
1_555
metalc
2.341
A
ASN
14
A
OD1
ASN
14
1_555
A
CA
239
C
CA
CA
1_555
metalc
2.160
A
ASP
19
A
OD1
ASP
19
1_555
A
MN
238
B
MN
MN
1_555
metalc
2.425
A
ASP
19
A
OD2
ASP
19
1_555
A
CA
239
C
CA
CA
1_555
metalc
2.187
A
HIS
24
A
NE2
HIS
24
1_555
A
MN
238
B
MN
MN
1_555
metalc
2.185
A
MN
238
B
MN
MN
1_555
A
HOH
546
D
O
HOH
1_555
metalc
2.279
A
MN
238
B
MN
MN
1_555
A
HOH
547
D
O
HOH
1_555
metalc
2.369
A
CA
239
C
CA
CA
1_555
A
HOH
513
D
O
HOH
1_555
metalc
2.441
A
CA
239
C
CA
CA
1_555
A
HOH
549
D
O
HOH
1_555
LECTIN
LECTIN, CALCIUM, MANGANESE
A
ALA
207
A
ALA
207
1
A
ASP
208
A
ASP
208
5.09
CONA_CANEN
UNP
1
1
P02866
MAISKKSSLFLPIFTFITMFLMVVNKVSSSTHETNALHFMFNQFSKDQKDLILQGDATTGTEGNLRLTRVSSNGSPQGSS
VGRALFYAPVHIWESSAVVASFEATFTFLIKSPDSHPADGIAFFISNIDSSIPSGSTGRLLGLFPDANVIRNSTTIDFNA
AYNADTIVAVELDTYPNTDIGDPSYPHIGIDIKSVRSKKTAKWNMQNGKVGTAHIIYNSVDKRLSAVVSYPNADSATVSY
DVDLDNVLPEWVRVGLSASTGLYKETNTILSWSFTSKLKSNEIPDIATVV
8
148
1JBC
96
237
P02866
A
1
96
237
1
LEU
conflict
THR
97
1JBC
A
P02866
UNP
9
97
1
PHE
conflict
GLY
98
1JBC
A
P02866
UNP
10
98
1
PRO
conflict
TYR
100
1JBC
A
P02866
UNP
12
100
1
ILE
conflict
LYS
101
1JBC
A
P02866
UNP
13
101
1
PHE
conflict
GLU
102
1JBC
A
P02866
UNP
14
102
1
insertion
ASN
104
1JBC
A
P02866
UNP
104
1
PHE
conflict
THR
105
1JBC
A
P02866
UNP
16
105
1
THR
conflict
LEU
107
1JBC
A
P02866
UNP
18
107
1
MET
conflict
SER
108
1JBC
A
P02866
UNP
19
108
1
PHE
conflict
TRP
109
1JBC
A
P02866
UNP
20
109
1
LEU
conflict
SER
110
1JBC
A
P02866
UNP
21
110
1
MET
conflict
PHE
111
1JBC
A
P02866
UNP
22
111
1
VAL
conflict
THR
112
1JBC
A
P02866
UNP
23
112
1
VAL
conflict
SER
113
1JBC
A
P02866
UNP
24
113
1
ASN
conflict
LYS
114
1JBC
A
P02866
UNP
25
114
1
LYS
conflict
LEU
115
1JBC
A
P02866
UNP
26
115
1
VAL
conflict
LYS
116
1JBC
A
P02866
UNP
27
116
1
SER
conflict
ASN
118
1JBC
A
P02866
UNP
29
118
1
GLU
conflict
ASP
151
1JBC
A
P02866
UNP
62
151
1
ARG
conflict
GLU
155
1JBC
A
P02866
UNP
66
155
7
6
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
LYS
36
A
LYS
36
A
LYS
39
A
LYS
39
A
HIS
24
A
HIS
24
A
ILE
29
A
ILE
29
A
ILE
4
A
ILE
4
A
ASP
10
A
ASP
10
A
GLY
209
A
GLY
209
A
SER
215
A
SER
215
A
ARG
90
A
ARG
90
A
SER
96
A
SER
96
A
VAL
170
A
VAL
170
A
PHE
175
A
PHE
175
A
LEU
140
A
LEU
140
A
GLY
144
A
GLY
144
A
ALA
73
A
ALA
73
A
ASP
78
A
ASP
78
A
ARG
60
A
ARG
60
A
TYR
67
A
TYR
67
A
VAL
47
A
VAL
47
A
ASN
55
A
ASN
55
A
VAL
188
A
VAL
188
A
LEU
198
A
LEU
198
A
THR
105
A
THR
105
A
LYS
116
A
LYS
116
A
THR
123
A
THR
123
A
PHE
130
A
PHE
130
A
THR
147
A
THR
147
A
THR
150
A
THR
150
A
ASN
153
A
ASN
153
A
GLU
155
A
GLU
155
BINDING SITE FOR RESIDUE MN A 238
A
MN
238
Software
6
BINDING SITE FOR RESIDUE CA A 239
A
CA
239
Software
6
A
GLU
8
A
GLU
8
6
1_555
A
ASP
10
A
ASP
10
6
1_555
A
ASP
19
A
ASP
19
6
1_555
A
HIS
24
A
HIS
24
6
1_555
A
HOH
546
D
HOH
6
1_555
A
HOH
547
D
HOH
6
1_555
A
ASP
10
A
ASP
10
6
1_555
A
TYR
12
A
TYR
12
6
1_555
A
ASN
14
A
ASN
14
6
1_555
A
ASP
19
A
ASP
19
6
1_555
A
HOH
513
D
HOH
6
1_555
A
HOH
549
D
HOH
6
1_555
23
I 2 2 2